/* ===== FONT FACES ===== */

@font-face {
    font-family: 'ABeZehEDU';
    src: url('fonts/ABeZehEDU-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'ABeZehEDU';
    src: url('fonts/ABeZehEDU-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'ABeZehEDU';
    src: url('fonts/ABeZehEDU-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ===== CSS CUSTOM PROPERTIES (Design System) ===== */

:root {
    /* Primärfarben - Freundliches, sattes Grün */
    --color-primary: #10B981;
    /* Helleres Emerald */
    --color-primary-light: #ECFDF5;
    --color-primary-dark: #059669;

    /* Oberflächen - Warmer & Weicher */
    --color-surface: #ffffff;
    --color-surface-raised: #ffffff;
    --color-surface-sunken: #F3F4F6;
    --color-bg: #CBD5E1;
    /* Significantly darker for high contrast (Slate 300) */
    /* Darker/More contrast (Cool Gray/Mint mix) was #F0FDF4 */
    /* Ganz leichter Grünstich im Hintergrund für Freundlichkeit */
    --color-border: #E5E7EB;

    /* Text - Hoher Kontrast aber nicht hartes Schwarz */
    --color-text-primary: #111827;
    --color-text-secondary: #4B5563;
    --color-text-muted: #9CA3AF;

    /* Akzentfarben - Verspielt & Bunt */
    --color-accent-blue: #3B82F6;
    --color-accent-amber: #F59E0B;
    --color-accent-red: #EF4444;
    --color-accent-purple: #8B5CF6;
    --color-accent-pink: #EC4899;
    /* Amber-Token fuer den Stift-Button (Aufgabe bearbeiten) */
    --color-amber: #F59E0B;

    /* Spacing - Großzügiger für Touch */
    --space-xs: 6px;
    --space-sm: 12px;
    --space-md: 20px;
    --space-lg: 32px;
    --space-xl: 48px;

    /* Border Radius - dezent gerundet (wie das Notizfeld, 12px) */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 12px;
    --radius-container: 12px;
    /* Pillen/Kreise bleiben voll gerundet */
    --radius-full: 9999px;

    /* Schatten - Weich & Diffus */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.08);
    --shadow-float: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Custom Properties */
/* Dark Mode removed to enforce Light Mode */

/* ===== RESET ===== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
}


/* ===== ACCESSIBILITY STYLES ===== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: #059669;
    color: white;
    padding: 12px 24px;
    border-radius: 0 0 8px 8px;
    z-index: 10000;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid #fbbf24;
    outline-offset: 2px;
}

:focus-visible {
    outline: 3px solid #059669;
    outline-offset: 2px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
    outline: 3px solid #059669;
    outline-offset: 2px;
}

/* Dark Mode focus ring removed */

/* Metacom Icon Styles */
.toolbar-action-icon-img {
    height: 28px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.strategy-list-icon-img {
    height: 48px;
    width: 48px;
    object-fit: contain;
    flex-shrink: 0;
}

.chat-send-icon-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.reading-toolbar-icon-img {
    height: 20px;
    width: auto;
    object-fit: contain;
    margin-right: 4px;
}

.checkbox-icon-img {
    height: 20px;
    width: auto;
    vertical-align: middle;
    margin-right: 6px;
}

body {
    font-family: 'ABeZehEDU', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}



/* ===== HEADER ===== */

header {
    background: transparent;
    color: var(--color-text-primary);
    padding: var(--space-sm) var(--space-md);
    /* 3-Spalten-Raster: leere Spalte links (Ausgleich) | Logo+Titel mittig | ⋯-Menü rechts am Rand */
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: 0;
    pointer-events: none;
    /* Layout pass-through */
    position: relative;
    /* Eigener hoher Stacking-Kontext, damit das geoeffnete Hauptmenue nicht
       hinter spaeter gerenderten Bereichen wie dem Chat-Header liegt. */
    z-index: 300;
}

/* Container für Header-Inhalt, der "floating" ist */
header>* {
    pointer-events: auto;
}

.header-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    grid-column: 2;
    justify-self: center;
    /* mittig, ohne weißen abgerundeten Hintergrund */
    background: none;
    padding: 0;
    border: none;
    box-shadow: none;
}

header h1 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.header-icon {
    width: 36px;
    height: 36px;
    margin-right: 4px;
    border-radius: 10px;
}

/* Settings Buttons - Jetzt als "Floating Icons" */
/* (.header-left-buttons ist gebündelt weiter unten im Urkunden-Abschnitt definiert) */

.settings-btn {
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 1.8rem;
    transition: background 0.2s ease, opacity 0.2s ease;
    box-shadow: none;
    padding: 0;
}

.settings-btn:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-primary-dark);
    transform: none;
    box-shadow: none;
    border-color: transparent;
}

.settings-icon {
    height: 22px;
    width: auto;
    opacity: 0.55;
    transition: opacity 0.2s ease;
}

.settings-btn:hover .settings-icon {
    opacity: 1;
}

/* Header-Menü (⋯) */
.header-menu-wrap {
    position: relative;
    grid-column: 3;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Urkunden-Trophäe im Header: dezent, nur sichtbar wenn Urkunden existieren */
.header-certificates-btn {
    position: relative;
    flex-shrink: 0;
    opacity: 0.8;
}

.header-certificates-btn:hover {
    opacity: 1;
}

/* Trophäe hier NICHT ausgrauen — sie erscheint ja nur, wenn es Urkunden gibt */
.header-certificates-btn .certificates-icon {
    filter: none;
    height: 26px;
}

.header-menu-btn {
    position: relative;
    font-size: 1.4rem;
    line-height: 1;
}

.header-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    z-index: 200;
    background: var(--color-surface, #fff);
    border-radius: var(--radius-md, 12px);
    box-shadow: var(--shadow-float, 0 8px 24px rgba(0, 0, 0, .18));
    padding: 6px;
    min-width: 220px;
}

.header-menu.open {
    display: flex;
    flex-direction: column;
}

.header-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: none;
    background: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    text-align: left;
    color: inherit;
}

.header-menu-item:hover {
    background: var(--color-primary-light, #ECFDF5);
}

.header-menu-item img {
    width: 24px;
    height: 24px;
}

/* Hinweis: bewusst KEIN prefers-color-scheme-Block für neue Komponenten — die App-Basis
   (body, Karten) bleibt immer hell; dunkle Einzel-Overrides ergäben dunkle Inseln. */

@media (hover: none) {
    .header-menu-item:hover {
        background: none;
    }

    .header-menu-item:active {
        background: var(--color-primary-light, #ECFDF5);
    }
}

/* Responsive: Auf kleinen Bildschirmen Titel ausblenden */
@media screen and (max-width: 600px) {
    header {
        gap: var(--space-sm);
    }

    header h1 {
        display: none;
    }

    .header-center {
        padding: 8px;
    }

    .header-icon {
        width: 28px;
        height: 28px;
        margin-right: 0;
    }

    .settings-btn {
        width: 38px;
        height: 38px;
    }
}

/* ===== DAUERHINWEIS: KOSTENLOSE TEST-KI ===== */

.free-ai-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0 auto var(--space-sm);
    padding: 10px 14px;
    max-width: 1200px;
    width: calc(100% - 2 * var(--space-lg));
    background: #fef3c7;
    border: 1px solid #fde68a;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
    color: #78350f;
    font-size: 13px;
    line-height: 1.45;
    box-sizing: border-box;
}

.free-ai-notice-text {
    flex: 1;
    min-width: 0;
}

.free-ai-notice-text strong {
    color: #78350f;
}

.free-ai-notice-link {
    display: inline;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    color: #92400e;
    font: inherit;
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
}

.free-ai-notice-link:hover,
.free-ai-notice-link:focus {
    color: #78350f;
    text-decoration: underline;
}

@media screen and (max-width: 600px) {
    .free-ai-notice {
        font-size: 12px;
        padding: 8px 10px;
    }
}

/* ===== MAIN ===== */

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 var(--space-lg) var(--space-sm);
    /* Unterer Rand bewusst klein, damit Karten/Leiste nah an den Bildschirmrand rücken.
       Der (nicht interaktive) Footer darunter liefert genug Abstand zur iPad-Gesten-Leiste. */
    padding-bottom: 4px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    min-height: 0;
    overflow: hidden;
}

/* Bei Side-by-Side Layout breiterer Container */
@media screen and (min-width: 900px) {
    main {
        max-width: 1200px;
    }
}

/* ===== MAIN TABS (veraltet - jetzt im Header) ===== */
/* Diese Styles werden für Abwärtskompatibilität beibehalten */

/* ===== TASK-CHAT WRAPPER (Side-by-Side Layout) ===== */

.task-chat-wrapper {
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* Bei genuegend Platz: nebeneinander */
@media screen and (min-width: 900px) {
    .task-chat-wrapper {
        flex-direction: row;
        align-items: stretch;
        /* Gleiche Hoehe fuer beide Seiten */
        gap: 0;
        /* Kein Abstand zwischen Task und Chat */
    }

    .task-chat-wrapper .task-side {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
    }

    .task-chat-wrapper .chat-side {
        flex: 0 0 400px;
        min-width: 350px;
        max-width: 450px;
        display: flex;
        flex-direction: column;
    }

    .task-chat-wrapper .chat-side #chat-container {
        margin-top: 0;
        border-radius: var(--radius-container);
        flex: 1;
        display: flex;
        flex-direction: column;
        max-height: none;
    }

    .task-chat-wrapper .chat-side #chat-container #chat-messages {
        flex: 1;
        max-height: none;
        min-height: 100px;
    }
}

/* Noch breitere Screens */
@media screen and (min-width: 1200px) {
    .task-chat-wrapper .chat-side {
        flex: 0 0 480px;
        max-width: 500px;
    }
}

.task-side {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.chat-side {
    display: contents;
}

.chat-side:empty {
    display: none;
}

@media screen and (min-width: 900px) {
    .chat-side {
        display: flex;
        flex-direction: column;
    }

    /* Wenn Chat oder Generator ausgeblendet: volle Breite fuer Aufgabe */
    .chat-side:empty,
    .chat-side:not(:has(#chat-container.visible)):not(:has(.generator-panel.visible)) {
        display: none;
    }

    .task-chat-wrapper:not(:has(#chat-container.visible)):not(:has(.generator-panel.visible)) .task-side {
        flex: 1;
        max-width: 100%;
    }
}

/* ===== READER CONTAINER ===== */

#reader-container {
    flex: 1;
    min-height: 200px;
    border-radius: var(--radius-container);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--color-surface-raised);
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
    border: 1px solid var(--color-border);
}



#reader-container .reader-text-view-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#reader-container .reader-text-view {
    flex: 1;
}

/* ===== TASK IMAGE CONTAINER ===== */

.task-image-container {
    display: none;
    position: relative;
    margin-top: 15px;
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.task-image-container.visible {
    display: block;
}

.task-image-container img {
    max-width: 100%;
    border-radius: 8px;
}

.task-image-remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    background: rgba(220, 38, 38, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.task-image-remove:hover {
    background: #dc2626;
}

/* ===== AUFGABEN-KARTE: STIFT + WERKZEUGE + DARSTELLUNGS-POPOVER ===== */

/* Stift an der Karten-Ecke: zurueck in den Eingabe-Modus */
.task-edit-btn {
    position: absolute;
    /* innerhalb der Karte, sonst schneidet overflow:hidden der .task-side den Knopf ab */
    top: 8px;
    right: 8px;
    z-index: 20;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    background: var(--color-amber, #F59E0B);
    box-shadow: var(--shadow-md, 0 2px 8px rgba(0, 0, 0, .2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-edit-btn img {
    width: 26px;
    height: 26px;
}

/* Werkzeuge schweben klein und dezent IN der Aufgaben-Karte unten rechts
   (Gegenstück zum Stift oben rechts) — die Karte läuft dadurch bis unten durch */
.task-tools {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
}

/* Runde gruene Werkzeug-Buttons: icon-only, alle gleich groß */
.task-tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: var(--color-primary, #10B981);
    color: #fff;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-md, 0 2px 8px rgba(0, 0, 0, .2));
    opacity: 0.92;
}

.task-tool-btn:hover {
    background: var(--color-primary-dark, #059669);
    opacity: 1;
}

/* Beschriftung entfällt bei den schwebenden Knöpfen (title/aria bleiben) */
.task-tool-btn .toolbar-btn-label {
    display: none;
}

.task-tool-btn img {
    width: 24px;
    height: 24px;
}

/* ⋯-Knopf: gleiche Höhe wie Vorlesen, gut lesbare Punkte */
#btn-task-options {
    font-size: 1.4rem;
    line-height: 1;
}

/* ⋯-Popover mit Darstellungsoptionen */
.task-options-wrap {
    position: relative;
}

.task-options-popover {
    display: none;
    position: absolute;
    right: 0;
    bottom: calc(100% + 8px);
    /* oeffnet nach OBEN, weil die Tools unter der Karte sitzen */
    z-index: 210;
    background: var(--color-surface, #fff);
    border-radius: var(--radius-md, 12px);
    box-shadow: var(--shadow-float, 0 8px 24px rgba(0, 0, 0, .18));
    padding: 8px;
    min-width: 240px;
}

.task-options-popover.open {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.task-options-row,
.task-options-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border: none;
    background: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    text-align: left;
    color: inherit;
    width: 100%;
}

.task-options-item:hover {
    background: var(--color-border, #E5E7EB);
}

/* Aktiver Toggle: btn-word-images/btn-language setzen aria-pressed,
   btn-hyphenate toggelt die Klasse .active — beide hervorheben. */
.task-options-item[aria-pressed="true"],
.task-options-item.active {
    background: var(--color-primary-light, #ECFDF5);
}

/* Schriftgroessen-Regler fuellt die Popover-Zeile */
.task-options-row.font-control input[type="range"] {
    flex: 1;
    min-width: 0;
    accent-color: var(--color-primary, #10B981);
}

.task-options-row.font-control span {
    min-width: 38px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ===== EINGABE-WEGE & „LOS GEHT'S!" ===== */

/* Eingabe-Wege: große Karten im Leer-Zustand */
.input-ways { display: flex; gap: 12px; flex-wrap: wrap; margin-top: var(--space-md, 16px); }
.input-way-btn {
    flex: 1 1 120px; display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 16px 10px; background: var(--color-surface, #fff); border: 2px solid transparent;
    border-radius: var(--radius-lg, 16px); box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.12));
    font-family: inherit; font-size: 1rem; font-weight: 600; cursor: pointer; color: inherit;
}
.input-way-btn img { width: 40px; height: 40px; }
.input-way-btn:hover { border-color: var(--color-primary, #10B981); }
/* Bereit-Zustand: kompakte Chip-Reihe */
.input-ways.compact { gap: 8px; }
.input-ways.compact .input-way-btn {
    flex: 0 0 auto; flex-direction: row; padding: 8px 14px; font-size: 0.9rem; border-radius: 999px;
}
.input-ways.compact .input-way-btn img { width: 22px; height: 22px; }
.input-ways > .photo-dropdown-container { flex: 1 1 120px; display: flex; }
.input-ways > .photo-dropdown-container > .input-way-btn { flex: 1 1 auto; width: 100%; }
.input-ways.compact > .photo-dropdown-container { flex: 0 0 auto; }
.input-ways.compact .input-way-save { margin-left: auto; }

.go-explore-bar {
    position: absolute;
    right: 20px;
    bottom: 20px;
    z-index: 30;
    display: flex;
    justify-content: flex-end;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 150ms ease-in, transform 150ms ease-in, visibility 0s linear 150ms;
}
.go-explore-bar.is-ready {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity 260ms cubic-bezier(0.2, 0, 0, 1), transform 260ms cubic-bezier(0.2, 0, 0, 1), visibility 0s;
}
.btn-go-explore {
    display: flex; align-items: center; gap: 10px; padding: 13px 28px;
    background: var(--color-primary, #10B981); color: #fff; border: 2px solid transparent; border-radius: 999px;
    font-family: inherit; font-size: 1.15rem; font-weight: 800; cursor: pointer;
    box-shadow: 0 4px 14px rgba(16, 185, 129, .45);
    transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}
.btn-go-explore img { width: 26px; height: 26px; }
.btn-go-explore:active:not(:disabled) { transform: scale(0.96); }
.btn-go-explore:disabled {
    background: #E2E8F0; color: #64748B; border: 2px solid #CBD5E1; box-shadow: none; cursor: not-allowed;
}
.reader-text-view-container.has-go-action .reader-text-view {
    padding-bottom: 108px !important;
}
@media (max-width: 520px) {
    .go-explore-bar {
        right: 14px;
        bottom: 14px;
    }
    .btn-go-explore { padding: 11px 18px; font-size: 1rem; }
    .btn-go-explore img { width: 24px; height: 24px; }
    .reader-text-view-container.has-go-action .reader-text-view { padding-bottom: 94px !important; }
}
@media (prefers-reduced-motion: reduce) {
    .go-explore-bar,
    .go-explore-bar.is-ready,
    .btn-go-explore {
        transition-duration: 0.01ms;
    }
}
/* ===== PHOTO BUTTON & DROPDOWN ===== */

.hidden-input {
    display: none;
}

.btn-photo {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-photo img {
    height: 36px;
}

.photo-dropdown-container {
    position: relative;
}

.photo-dropdown {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    right: auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 8px;
    margin-bottom: 8px;
    min-width: 180px;
    z-index: 100;
}



.photo-dropdown.visible {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.photo-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    color: #374151;
    transition: background 0.15s;
    white-space: nowrap;
}



.photo-dropdown-item:hover {
    background: #f3f4f6;
}



/* ===== UNIFIED BUTTON SYSTEM ===== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    min-height: 44px;
    /* Touch-Target */
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-surface-sunken);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* Label-Span in den verschobenen Buttons (btn-read/btn-stop + Popover-Zeilen);
   von app.js per .querySelector('.toolbar-btn-label') angesprochen. */
.toolbar-btn-label {
    font-size: 15px;
}

/* Foto-Button */
.btn-photo {
    background: var(--color-surface, #fff) !important;
    color: inherit !important;
    border: 2px solid transparent !important;
}

.btn-photo:hover {
    background: var(--color-surface, #fff) !important;
    border-color: var(--color-primary, #10B981) !important;
}

.btn-photo img {
    height: 28px;
}

/* Undo Button */
.btn-undo {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fbbf24;
    animation: undoFadeIn 0.3s ease;
    padding: 10px;
}

.btn-undo .toolbar-btn-label {
    display: none;
}

.btn-undo:hover {
    background: #fde68a;
    border-color: #f59e0b;
}

@keyframes undoFadeIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== RECOGNIZE PROGRESS BAR ===== */

.recognize-progress-bar {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background: white;
    border-radius: 12px;
    margin-top: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    color: #6b7280;
    font-size: 14px;
}



/* ===== STRATEGY CONTAINER ===== */

.strategy-container {
    display: none;
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-top: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.strategy-container.visible {
    display: block;
}



.strategy-prompt {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 15px;
    text-align: center;
}



.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.strategy-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: var(--color-bg);
    /* Match main background */
    color: #374151;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}



.strategy-btn:hover {
    border-color: var(--strategy-color, #9ca3af);
    background: #e5e7eb;
    transform: translateY(-2px);
}



.strategy-btn.active {
    border-color: #059669;
    background: #d1fae5;
}

.strategy-icon {
    font-size: 28px;
}

.strategy-label {
    font-size: 16px;
    font-weight: 600;
}

.strategy-desc {
    font-size: 11px;
    color: #6b7280;
    text-align: center;
}

/* Strategie-Farben */
.strategy-btn[data-mode="understand"] {
    --strategy-color: #2563eb;
}

.strategy-btn[data-mode="ask"] {
    --strategy-color: #7c3aed;
}

.strategy-btn[data-mode="solve"] {
    --strategy-color: #059669;
}

.strategy-btn[data-mode="check"] {
    --strategy-color: #d97706;
}

.strategy-btn[data-mode="captain"] {
    --strategy-color: #dc2626;
}

.strategy-btn[data-mode="write"] {
    --strategy-color: #ec4899;
}

.strategy-btn:hover {
    border-color: var(--strategy-color, #059669);
}

.strategy-btn.active {
    border-color: var(--strategy-color, #059669);
}

/* ===== STRATEGY LIST (im Chat-Bereich) ===== */

.strategy-list {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    /* Reverted to column */
    gap: 8px;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    align-items: stretch;
    /* Stretch to fill width */
    align-content: start;
}

.strategy-list-prompt {
    grid-column: 1 / -1;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
    text-align: center;
}



.strategy-list-btn {
    display: flex;
    flex-direction: row;
    /* Horizontal again */
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    gap: var(--space-sm);
    padding: 10px var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    color: var(--color-text-primary);
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.3, 0, 0.5, 1);
    width: 100%;
    max-width: none;
    box-shadow: var(--shadow-sm);
    height: auto;
}



.strategy-list-btn:hover {
    border-color: var(--color-primary-light);
    background: var(--color-surface-raised);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}



.strategy-list-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.strategy-list-icon {
    font-size: 28px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.strategy-list-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: flex-start;
}

.strategy-list-label {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.strategy-list-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
}



.strategy-list-arrow {
    display: none;
}

/* Alle Strategie-Buttons nutzen jetzt einheitlich die Primärfarbe bei Hover */

/* ===== CHAT CONTAINER ===== */

#chat-container {
    display: none;
    flex-direction: column;
    background: var(--color-surface);
    border-radius: var(--radius-container);
    margin-top: 0;
    /* Reduced to align with side-by-side */
    box-shadow: var(--shadow-md);
    overflow: hidden;
    min-height: 0;
    /* Wichtig fuer Flex-Scroll */
    border: 1px solid var(--color-border);
}

#chat-container.visible {
    display: flex;
    flex: 1;
}

@media (prefers-color-scheme: dark) {
    #chat-container {
        background: var(--color-surface);
        border-color: var(--color-border);
    }
}

#chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px var(--space-md);
    background: var(--color-primary);
    color: white;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

#chat-mode-label {
    font-weight: 600;
    font-size: 16px;
    flex: 1;
    text-align: center;
}

.btn-back {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    padding: 8px;
    color: white;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
}

.btn-back:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-sound {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    padding: 8px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.btn-sound:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-sound.sound-off {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.btn-sound.sound-off:hover {
    background: rgba(255, 255, 255, 0.2);
}

#chat-messages {
    flex: 1;
    padding: var(--space-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-height: 250px;
}

/* Auf kleinen Bildschirmen: Chat-Container begrenzen */
@media screen and (max-width: 899px) {
    #chat-container.visible {
        max-height: 50vh;
        flex: none;
    }

    #chat-messages {
        flex: 1;
        min-height: 150px;
        overflow-y: auto;
    }
}

.chat-message {
    max-width: 85%;
    padding: 14px 20px;
    border-radius: 20px;
    font-size: 16px;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    hyphens: auto;
    -webkit-hyphens: auto;
    box-shadow: var(--shadow-sm);
    margin-bottom: 8px;
}

/* Inline-Mathe-Rendering (KaTeX-frei, deckt einfache Schulmathematik ab) */
.math-inline,
.math-display {
    font-family: "Cambria Math", "Latin Modern Math", "STIX Two Math", "Times New Roman", serif;
    font-style: normal;
    padding: 0 2px;
}
.math-display {
    display: inline-block;
    margin: 6px 0;
    font-size: 1.05em;
}
.math-frac {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    margin: 0 2px;
    line-height: 1.1;
}
.math-frac .math-num {
    border-bottom: 1.5px solid currentColor;
    padding: 0 4px;
}
.math-frac .math-den {
    padding: 0 4px;
}
.math-sqrt {
    display: inline-flex;
    align-items: flex-start;
}
.math-sqrt .math-radicand {
    border-top: 1.5px solid currentColor;
    padding: 0 3px;
    margin-left: -2px;
}

.chat-message.user {
    align-self: flex-end;
    background: var(--color-accent-blue);
    color: white;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.chat-message.bot {
    align-self: flex-start;
    background: var(--color-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-bottom-left-radius: 4px;
}



/* Wortübersicht-Tabelle */
.word-overview-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    background: rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    overflow: hidden;
}

.word-overview-table th,
.word-overview-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.word-overview-table th {
    background: rgba(0, 0, 0, 0.15);
    font-weight: 600;
}

.word-overview-table tr:last-child td {
    border-bottom: none;
}

.word-overview-table td:first-child {
    font-weight: 600;
    white-space: nowrap;
}

.reading-word-hint {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(5, 150, 105, 0.09);
    box-shadow: inset 0 0 0 1px rgba(5, 150, 105, 0.18);
    color: var(--color-text-secondary, #4b5563);
    font-size: 14px;
    line-height: 1.45;
    text-wrap: pretty;
}

.reading-word-hint-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    margin-top: 1px;
    border-radius: 50%;
    background: #059669;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    font-family: Arial, sans-serif;
}

.reading-important-word {
    padding: 1px 3px;
    margin: 0 -1px;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.14);
    box-shadow: inset 0 -2px 0 rgba(5, 150, 105, 0.72);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    cursor: help;
}

@media (prefers-color-scheme: dark) {
    .reading-word-hint {
        background: rgba(16, 185, 129, 0.12);
        box-shadow: inset 0 0 0 1px rgba(52, 211, 153, 0.22);
        color: #d1d5db;
    }

    .reading-important-word {
        background: rgba(16, 185, 129, 0.2);
        box-shadow: inset 0 -2px 0 rgba(52, 211, 153, 0.8);
    }
}

/* Word-Overview-Tabelle responsive */
@media screen and (max-width: 600px) {
    .word-overview-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .word-overview-table th,
    .word-overview-table td {
        padding: 8px 10px;
        font-size: 14px;
    }

    .word-overview-table td:first-child {
        min-width: 80px;
    }
}

.chat-typing {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    font-size: 14px;
    color: #6b7280;
}

.chat-typing.visible {
    display: flex;
}

/* Inhalte materialisieren an ihrer Quelle; die aeussere Groessenaenderung
   uebernimmt die unterbrechbare FLIP-Animation in layout-transitions.js. */
#strategy-list[style*="display: flex"],
#chat-messages[style*="display: flex"],
#chat-input-area[style*="display: flex"],
.chat-typing.visible {
    animation: ui-content-enter 280ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes ui-content-enter {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.99);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes ui-content-fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

.chat-typing .spinner {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

#chat-input-area {
    display: flex;
    gap: 8px;
    padding: 15px;
    border-top: 1px solid #e5e7eb;
    align-items: center;
    flex-shrink: 0;
    min-width: 0;
    position: relative;
}

@media (prefers-color-scheme: dark) {
    #chat-input-area {
        border-color: #374151;
    }
}

.chat-composer {
    flex: 1;
    display: flex;
    align-items: stretch;
    min-width: 0;
    height: 48px;
    overflow: hidden;
    box-sizing: border-box;
    border: 2px solid #cbd5e1;
    border-radius: 24px;
    background: var(--color-surface-raised);
    transition-property: border-color, box-shadow, background-color;
    transition-duration: 180ms;
    transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.chat-composer:focus-within {
    border-color: #059669;
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.12);
}

.chat-composer.is-recording {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

#chat-input {
    flex: 1;
    min-width: 0;
    width: 0;
    padding: 12px 16px;
    border: 0;
    border-radius: 0 24px 24px 0;
    font-family: inherit;
    font-size: 16px;
    outline: none;
    background: transparent;
    color: var(--color-text-primary);
}

@media (prefers-color-scheme: dark) {
    .chat-composer {
        border-color: #4b5563;
        background: #374151;
    }

    #chat-input {
        color: #e5e7eb;
    }
}

#chat-input::placeholder {
    color: #9ca3af;
}

.chat-icon-btn {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border: none;
    border-radius: 50%;
    background: #059669;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.chat-icon-btn:hover {
    background: #047857;
}

.chat-icon-btn img {
    width: 28px;
    height: 28px;
}

.chat-icon-btn.recording {
    background: #dc2626;
    animation: pulse 1s infinite;
}

.chat-composer-mic {
    position: relative;
    flex: 0 0 48px;
    width: 48px;
    min-width: 48px;
    height: 100%;
    border-right: 1px solid rgba(5, 150, 105, 0.16);
    border-radius: 22px 0 0 22px;
    background: #ecfdf5;
    color: #047857;
    transition-property: background-color, color, transform;
    transition-duration: 180ms;
    transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.chat-composer-mic:hover {
    background: #d1fae5;
    color: #065f46;
}

.chat-composer-mic:active {
    transform: scale(0.96);
}

.chat-composer-mic.recording,
.chat-composer-mic.recording:hover {
    border-right-color: rgba(255, 255, 255, 0.28);
    background: #dc2626;
    color: #fff;
}

.chat-composer-mic svg {
    width: 23px;
    height: 23px;
}

@media (prefers-color-scheme: dark) {
    .chat-composer-mic {
        border-right-color: rgba(167, 243, 208, 0.16);
        background: #064e3b;
        color: #a7f3d0;
    }

    .chat-composer-mic:hover {
        background: #065f46;
        color: #d1fae5;
    }
}

#chat-send-btn {
    background: #2563eb;
    font-size: 20px;
    color: white;
    flex: 0 0 auto;
}

#chat-send-btn:hover {
    background: #1d4ed8;
}

/* Chat Draw Button */
.chat-draw-btn {
    background: #8b5cf6;
}

.chat-draw-btn:hover {
    background: #7c3aed;
}

.chat-draw-btn.active {
    background: #6d28d9;
}

.chat-draw-btn.has-drawing {
    background: #22c55e;
    animation: pulse 1s infinite;
}

.chat-draw-btn svg {
    stroke: white;
}

/* Chat Drawing Preview */
.chat-drawing-preview {
    max-width: 200px;
    max-height: 150px;
    border-radius: 8px;
    margin-bottom: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Chat Photo Button */
.chat-photo-btn {
    background: #0ea5e9;
}

.chat-photo-btn:hover {
    background: #0284c7;
}

.chat-photo-btn.has-photo {
    background: #22c55e;
    animation: pulse 1s infinite;
}

/* Responsive Chat-Werkzeuge: bei Platzmangel als Plus-Menü, Vorschauen bleiben separat. */
.chat-input-tools {
    position: relative;
    flex: 0 0 auto;
    min-width: 0;
}

.chat-input-tools-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-tools-toggle {
    display: none;
}

.chat-tools-plus-icon {
    display: block;
    transition: transform 0.2s ease;
}

.chat-tools-toggle:active {
    transform: scale(0.96);
}

.chat-input-tool-label {
    display: none;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
}

.chat-input-tools.is-collapsed .chat-tools-toggle {
    display: flex;
}

.chat-input-tools.is-collapsed .chat-input-tools-list {
    display: none;
    position: absolute;
    left: 0;
    bottom: calc(100% + 10px);
    z-index: 40;
    min-width: 190px;
    padding: 8px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18), 0 2px 8px rgba(15, 23, 42, 0.08);
}

.chat-input-tools.is-collapsed.is-open .chat-input-tools-list {
    display: flex;
}

.chat-input-tools.is-open .chat-tools-plus-icon {
    transform: rotate(45deg);
}

.chat-input-tools.is-collapsed .chat-input-tools-list .chat-icon-btn {
    width: 100%;
    height: 44px;
    min-width: 0;
    padding: 0 12px;
    justify-content: flex-start;
    gap: 10px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #fff;
    color: #1f2937;
}

.chat-input-tools.is-collapsed .chat-input-tools-list .chat-icon-btn:hover {
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.chat-input-tools.is-collapsed .chat-input-tools-list .chat-icon-btn:focus-visible,
.chat-tools-toggle:focus-visible {
    outline: 3px solid rgba(5, 150, 105, 0.3);
    outline-offset: 2px;
}

.chat-input-tools.is-collapsed .chat-input-tools-list .chat-icon-btn img,
.chat-input-tools.is-collapsed .chat-input-tools-list .chat-icon-btn svg {
    width: 24px;
    height: 24px;
    flex: 0 0 auto;
}

.chat-input-tools.is-collapsed .chat-input-tool-label {
    display: inline;
}

@media (prefers-color-scheme: dark) {
    .chat-input-tools.is-collapsed .chat-input-tools-list {
        background: #1f2937;
        border-color: #4b5563;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.38), 0 2px 8px rgba(0, 0, 0, 0.24);
    }

    .chat-input-tools.is-collapsed .chat-input-tools-list .chat-icon-btn {
        background: #1f2937;
        border-color: #4b5563;
        color: #f3f4f6;
    }

    .chat-input-tools.is-collapsed .chat-input-tools-list .chat-icon-btn:hover {
        background: #064e3b;
        border-color: #059669;
    }
}

/* Vorschau eines angehängten Lösungs-Fotos */
.chat-photo-preview {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
}

.chat-photo-preview img {
    max-width: 120px;
    max-height: 90px;
    border-radius: 8px;
    border: 2px solid #e5e7eb;
}

.chat-photo-preview-remove {
    border: none;
    background: #ef4444;
    color: #fff;
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-photo-preview-remove:hover {
    background: #dc2626;
}

/* ===== DRAWING AREA ===== */

.drawing-area {
    display: none;
    flex-direction: column;
    background: white;
    border-radius: 12px;
    margin-top: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.drawing-area.visible {
    display: flex;
}

@media (prefers-color-scheme: dark) {
    .drawing-area {
        background: #1f1f1f;
    }
}

/* Kombinierte Kopf- + Werkzeugleiste (eine Leiste) */
.note-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 12px;
    background: #8b5cf6;
    color: white;
    /* Container-Query-Basis: bei schmaler Leiste Titel + „Fertig"-Text ausblenden */
    container-type: inline-size;
}

/* Wenig Platz: „Notizfeld"-Titel (+ Trenner) weg und „Fertig" nur als Häkchen
   -> die Leiste passt in eine Reihe. Greift auf Web (~840px) und iPad-Hochformat. */
@container (max-width: 900px) {
    .note-header .drawing-title,
    .note-header .drawing-title + .note-sep { display: none; }
    .note-header .note-done span { display: none; }
    .note-header .note-done { padding: 7px 9px; gap: 0; }
}

.drawing-title {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
}

.drawing-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 6px;
    padding: 4px 10px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s;
}

.drawing-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

#drawing-canvas {
    display: block;
    width: 100%;
    height: 100%;
    background: transparent;       /* Striche transparent -> CSS-Raster scheint durch */
    cursor: crosshair;
    touch-action: none;
}

.note-canvas-wrap {
    position: relative;
    flex: 1;
    min-height: 0;
    margin: 10px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: #ffffff;
    overflow: hidden;
}
/* Größere Kästchen mit mehr Abstand, nur wenn grid-on */
.note-canvas-wrap.grid-on {
    background-image:
        linear-gradient(#e0e7ff 1px, transparent 1px),
        linear-gradient(90deg, #e0e7ff 1px, transparent 1px);
    /* Große Kästchen, damit eine Ziffer in Stiftgröße bequem in ein Kästchen passt */
    background-size: 70px 70px;
}

.drawing-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    border-top: 1px solid #e5e7eb;
    flex-wrap: wrap;
    gap: 10px;
}

@media (prefers-color-scheme: dark) {
    .drawing-controls {
        border-color: #374151;
    }
}

/* Color Picker */
.color-picker {
    display: flex;
    gap: 6px;
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: #374151;
    box-shadow: 0 0 0 2px white, 0 0 0 4px #374151;
}

@media (prefers-color-scheme: dark) {
    .color-option.selected {
        border-color: #e5e7eb;
        box-shadow: 0 0 0 2px #1f1f1f, 0 0 0 4px #e5e7eb;
    }
}

/* Drawing Actions */
.drawing-actions {
    display: flex;
    gap: 8px;
}

.drawing-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border: none;
    border-radius: 8px;
    background: #e5e7eb;
    color: #374151;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

@media (prefers-color-scheme: dark) {
    .drawing-btn {
        background: #374151;
        color: #e5e7eb;
    }
}

.drawing-btn:hover {
    background: #d1d5db;
}

@media (prefers-color-scheme: dark) {
    .drawing-btn:hover {
        background: #4b5563;
    }
}

.drawing-btn.active {
    background: #8b5cf6;
    color: white;
}

.drawing-btn svg {
    stroke: currentColor;
}

.drawing-btn-done {
    background: #059669;
    color: white;
}

.drawing-btn-done:hover {
    background: #047857;
}

/* Strategy Grid 4 columns */
.strategy-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media screen and (max-width: 600px) {
    .strategy-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Strategy Button Colors fuer neue Strategien */
.strategy-btn[data-mode="read"] {
    --strategy-color: #059669;
}

/* ===== GENERATOR PANEL (in chat-side) ===== */

.generator-panel {
    display: none;
    flex-direction: column;
    background: white;
    border-radius: var(--radius-container);
    margin-top: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    min-height: 0;
    border: 1px solid #e5e7eb;
}

.generator-panel.visible {
    display: flex;
    flex: 1;
}

/* Auf kleinen Bildschirmen: Generator-Panel begrenzen */
@media screen and (max-width: 899px) {
    .generator-panel.visible {
        max-height: 50vh;
        flex: none;
    }
}



.generator-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--color-primary);
    color: white;
    flex-shrink: 0;
}

.generator-panel-title {
    font-weight: 700;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.generator-panel-title::before {
    content: "🎲";
    font-size: 22px;
}

.generator-panel-content {
    flex: 1;
    min-height: 0;
    padding: 20px;
    overflow-y: auto;
}

/* Side-by-Side Layout fuer Generator */
@media screen and (min-width: 900px) {
    .task-chat-wrapper .chat-side .generator-panel {
        margin-top: 0;
        border-radius: var(--radius-container);
        flex: 1;
        display: flex;
        flex-direction: column;
        max-height: none;
    }
}

/* ===== CREATE SECTION (Legacy - nicht mehr verwendet) ===== */

#create-section {
    background: white;
    border-radius: 0 0 12px 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}



.create-prompt {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 15px;
    text-align: center;
}



.create-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.create-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 30px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: white;
    color: #374151;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 160px;
}



.create-btn:hover {
    border-color: #059669;
    background: #ecfdf5;
    transform: translateY(-2px);
}

.create-icon {
    font-size: 36px;
}

.create-label {
    font-size: 16px;
    font-weight: 600;
}

.create-desc {
    font-size: 12px;
    color: #6b7280;
}

/* Generator Options (in Panel) */
.generator-panel-content .generator-field {
    margin-bottom: 20px;
    background: var(--color-surface-sunken);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.generator-panel-content .generator-field label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.generator-panel-content .generator-field input[type="text"],
.generator-panel-content .generator-field select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    font-size: 16px;
    color: var(--color-text-primary);
    transition: all 0.2s ease;
}

.generator-panel-content .generator-field input[type="text"]:focus,
.generator-panel-content .generator-field select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.2);
}

.generator-panel-content .generator-field:last-of-type {
    margin-bottom: 24px;
}

/* Generator Options (Legacy) */
.generator-options {
    margin-top: 20px;
    padding: 20px;
    background: #f9fafb;
    border-radius: 12px;
}

@media (prefers-color-scheme: dark) {
    .generator-options {
        background: #374151;
    }
}

.generator-field {
    margin-bottom: 15px;
}

.generator-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: #374151;
}

@media (prefers-color-scheme: dark) {
    .generator-field label {
        color: #e5e7eb;
    }
}

.generator-field input,
.generator-field select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 16px;
    background: white;
}

@media (prefers-color-scheme: dark) {

    .generator-field input,
    .generator-field select {
        background: #1f1f1f;
        border-color: #4b5563;
        color: #e5e7eb;
    }
}

.generator-field input:focus,
.generator-field select:focus {
    outline: none;
    border-color: #059669;
}

.btn-do-generate {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: white;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    justify-content: center;
}

.btn-do-generate:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.btn-do-generate:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    transform: none;
}

.generate-progress {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
    color: #6b7280;
    font-size: 14px;
}

.generate-progress.visible {
    display: flex;
}

/* Generator Checkbox */
.generator-checkbox {
    margin-top: 10px;
    padding: 12px;
    background: #fef3c7;
    border-radius: 8px;
    border: 1px solid #fcd34d;
}

@media (prefers-color-scheme: dark) {
    .generator-checkbox {
        background: #422006;
        border-color: #92400e;
    }
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 500;
    color: #92400e;
}

@media (prefers-color-scheme: dark) {
    .checkbox-label {
        color: #fbbf24;
    }
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: #d97706;
}

.checkbox-icon {
    font-size: 20px;
}

.generator-checkbox small {
    margin-top: 6px;
    margin-left: 30px;
    color: #92400e;
    font-size: 12px;
}

@media (prefers-color-scheme: dark) {
    .generator-checkbox small {
        color: #fcd34d;
    }
}

/* ===== SPINNER ===== */

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid #e5e7eb;
    border-top-color: #059669;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ===== STATUS BAR ===== */

.status-bar {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 8px 15px;
    background: white;
    border-radius: 12px;
    margin-top: var(--space-sm);
    font-size: 12px;
    color: #6b7280;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.status-bar.visible {
    display: flex;
}

@media (prefers-color-scheme: dark) {
    .status-bar {
        background: #1f1f1f;
        color: #9ca3af;
    }
}

.status-bar .status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-bar .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #9ca3af;
}

.status-bar .status-dot.ready {
    background: #22c55e;
}

.status-bar .status-dot.processing {
    background: #059669;
    animation: pulse 0.5s infinite;
}

.status-bar .status-dot.reading {
    background: #22c55e;
    animation: pulse 1s infinite;
}

/* ===== FOOTER ===== */

.footer-note {
    margin-top: 4px;
    text-align: center;
    font-size: 11px;
    color: #9ca3af;
    line-height: 1.4;
}

.footer-note.footer-compact {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 10px;
}

.footer-note a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

@media (prefers-color-scheme: dark) {
    .footer-note {
        color: #6b7280;
    }
}

@media screen and (max-width: 500px) {
    .footer-note.footer-compact {
        font-size: 10px;
        white-space: normal;
    }
}

/* ===== MODALS ===== */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.visible {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* ===== ERSTER WEB-START: DATENSCHUTZ, ALTER UND FORSCHUNG ===== */

.web-consent-modal {
    z-index: 12000;
    background: rgba(15, 23, 42, 0.66);
    backdrop-filter: blur(8px);
}

.modal-content.web-consent-content {
    display: flex;
    flex-direction: column;
    max-width: 760px;
    max-height: min(92vh, 900px);
    overflow: hidden;
    border-radius: 24px;
    background: #ffffff;
    color: #172033;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.06),
        0 18px 48px rgba(15, 23, 42, 0.24),
        0 2px 8px rgba(15, 23, 42, 0.08);
}

.web-consent-scroll {
    overflow-y: auto;
    padding: 28px 30px 22px;
    overscroll-behavior: contain;
}

.web-consent-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.web-consent-icon {
    display: grid;
    place-items: center;
    flex: 0 0 56px;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: #e8f7f1;
    font-size: 28px;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.05),
        0 2px 5px rgba(15, 118, 110, 0.08);
}

.web-consent-eyebrow {
    display: block;
    margin-bottom: 3px;
    color: #047857;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.web-consent-header h2 {
    margin: 0;
    color: #172033;
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.15;
    text-wrap: balance;
}

.web-consent-intro {
    margin: 0 0 20px;
    color: #526075;
    font-size: 1rem;
    line-height: 1.55;
    text-wrap: pretty;
}

.web-consent-section {
    margin-top: 12px;
    padding: 16px;
    border-radius: 16px;
    background: #f8fafc;
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.06);
}

.web-consent-age-section {
    background: #f0fdf8;
    box-shadow: 0 0 0 1px rgba(5, 150, 105, 0.13);
}

.web-consent-research {
    background: #faf7ff;
    box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.13);
}

.web-consent-section-heading {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.web-consent-step {
    display: grid;
    place-items: center;
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: #d1fae5;
    color: #047857;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.web-consent-step-research {
    background: #ede9fe;
    color: #6d28d9;
}

.web-consent-section h3 {
    margin: 2px 0 4px;
    color: #253047;
    font-size: 1.05rem;
    line-height: 1.3;
    text-wrap: balance;
}

.web-consent-section-heading p,
.web-consent-research-note {
    margin: 0;
    color: #5e687b;
    font-size: 0.93rem;
    line-height: 1.48;
    text-wrap: pretty;
}

/* Zusagen zur KI-Verarbeitung im Erststart-Dialog. Bewusst als Liste: Schulen
   pruefen diese vier Punkte einzeln, ein Fliesstext verdeckt sie. */
.web-consent-ai-facts {
    margin: 10px 0 0;
    padding-left: 18px;
    color: #4b5563;
    font-size: 0.9rem;
    line-height: 1.5;
    text-wrap: pretty;
}

.web-consent-ai-facts li {
    margin-bottom: 5px;
}

.web-consent-ai-facts strong {
    color: #1f2937;
}

.web-consent-age-options {
    display: grid;
    grid-template-columns: repeat(7, minmax(44px, 1fr));
    gap: 8px;
    margin: 14px 0 8px 44px;
}

.web-consent-age {
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    border: 2px solid #cbd5e1;
    border-radius: 12px;
    background: #ffffff;
    color: #334155;
    font: inherit;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    transition-property: transform, border-color, background-color, color, box-shadow;
    transition-duration: 150ms;
    transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.web-consent-age:hover {
    border-color: #10b981;
}

.web-consent-age.selected {
    border-color: #059669;
    background: #059669;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(5, 150, 105, 0.2);
}

.web-consent-age:active,
.web-consent-btn:active {
    transform: scale(0.96);
}

.web-consent-age:focus-visible,
.web-consent-btn:focus-visible,
.web-consent-privacy-link:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.35);
    outline-offset: 3px;
}

.web-consent-age-value {
    margin: 0 0 0 44px;
    color: #526075;
    font-size: 0.88rem;
    line-height: 1.4;
    text-wrap: pretty;
}

.web-consent-research-note {
    margin: 10px 0 0 44px;
    padding-top: 10px;
    border-top: 1px solid rgba(124, 58, 237, 0.12);
}

.web-consent-privacy-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 44px;
    margin-top: 12px;
    color: #3952a0;
    font-weight: 700;
    text-decoration: none;
}

.web-consent-privacy-link:hover {
    text-decoration: underline;
}

.web-consent-actions {
    padding: 16px 30px 22px;
    background: #ffffff;
    box-shadow: 0 -8px 22px rgba(15, 23, 42, 0.06);
}

.web-consent-actions > p {
    margin: 0 0 10px;
    color: #667085;
    font-size: 0.82rem;
    line-height: 1.4;
    text-align: center;
    text-wrap: pretty;
}

.web-consent-buttons {
    display: grid;
    grid-template-columns: minmax(150px, 0.7fr) minmax(280px, 1.3fr);
    gap: 10px;
}

.web-consent-btn {
    min-height: 50px;
    padding: 11px 16px;
    border: none;
    border-radius: 14px;
    font: inherit;
    font-weight: 800;
    line-height: 1.25;
    cursor: pointer;
    transition-property: transform, background-color, box-shadow;
    transition-duration: 150ms;
    transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.web-consent-btn-basic {
    background: #047857;
    color: #ffffff;
    box-shadow: 0 5px 14px rgba(4, 120, 87, 0.22);
}

.web-consent-btn-basic:hover {
    background: #065f46;
    box-shadow: 0 7px 18px rgba(4, 120, 87, 0.26);
}

.web-consent-btn-research {
    background: #6d28d9;
    color: #ffffff;
    box-shadow: 0 5px 14px rgba(109, 40, 217, 0.24);
}

.web-consent-btn-research:hover {
    background: #5b21b6;
    box-shadow: 0 7px 18px rgba(109, 40, 217, 0.28);
}

@media (max-width: 680px) {
    .web-consent-modal {
        align-items: stretch;
        padding: 0;
    }

    .modal-content.web-consent-content {
        max-height: 100dvh;
        min-height: 100dvh;
        border-radius: 0;
    }

    .web-consent-scroll {
        padding: 22px 18px 18px;
    }

    .web-consent-actions {
        padding: 13px 18px max(16px, env(safe-area-inset-bottom));
    }

    .web-consent-age-options {
        grid-template-columns: repeat(4, minmax(44px, 1fr));
        margin-left: 0;
    }

    .web-consent-age-value,
    .web-consent-research-note {
        margin-left: 0;
    }

    .web-consent-buttons {
        grid-template-columns: 1fr;
    }

}

body.web-consent-open {
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    .modal-content {
        background: #1f1f1f;
        color: #e5e7eb;
    }
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (prefers-color-scheme: dark) {
    .modal-header {
        border-color: #374151;
    }
}

.modal-header h2 {
    font-size: 1.3rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6b7280;
    padding: 5px;
}

.modal-body {
    padding: 20px;
}

.settings-group {
    margin-bottom: 25px;
    border: none;
    padding: 0;
}

fieldset.settings-group {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 15px;
}

@media (prefers-color-scheme: dark) {
    fieldset.settings-group {
        border-color: #4b5563;
    }
}

fieldset.settings-group legend {
    font-weight: 600;
    color: #374151;
    padding: 0 8px;
    font-size: 17px;
}

@media (prefers-color-scheme: dark) {
    fieldset.settings-group legend {
        color: #e5e7eb;
    }
}

.settings-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
}

@media (prefers-color-scheme: dark) {
    .settings-group label {
        color: #e5e7eb;
    }
}

.settings-group small {
    display: block;
    color: #6b7280;
    font-size: 14px;
    margin-top: 5px;
}

.settings-group input[type="text"],
.settings-group input[type="password"],
.settings-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 16px;
    background: white;
}

@media (prefers-color-scheme: dark) {

    .settings-group input[type="text"],
    .settings-group input[type="password"],
    .settings-group select {
        background: #374151;
        border-color: #4b5563;
        color: #e5e7eb;
    }
}

.settings-group input:focus,
.settings-group select:focus {
    outline: none;
    border-color: #059669;
}

.input-group {
    margin-bottom: 15px;
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 6px;
}

/* Checkbox-Setting in Einstellungen */
.checkbox-setting {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-setting input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #059669;
}

/* Difficulty/Age Slider */
.difficulty-slider {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.difficulty-slider input[type="range"] {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    background: linear-gradient(to right, #34d399, #fbbf24, #f87171);
    border-radius: 4px;
    outline: none;
}

.difficulty-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: white;
    border: 3px solid #059669;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.difficulty-labels {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #6b7280;
}

.difficulty-value {
    text-align: center;
    font-weight: 600;
    color: #059669;
    font-size: 16px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #e5e7eb;
}

@media (prefers-color-scheme: dark) {
    .modal-footer {
        border-color: #374151;
    }
}

.modal-header-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-save-settings {
    width: 100%;
    padding: 14px;
    background: #059669;
    color: white;
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-save-settings-top {
    width: auto;
    padding: 8px 16px;
    font-size: 16px;
}

.btn-save-settings:hover {
    background: #047857;
}

.api-section {
    background: #f3f4f6;
    border-radius: 10px;
    padding: 15px;
    margin-top: 10px;
}

@media (prefers-color-scheme: dark) {
    .api-section {
        background: #374151;
    }
}

/* Share Modal */
.share-modal-content {
    max-width: 420px;
    text-align: center;
}

.share-modal-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 25px;
}

.share-qr-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
    .share-qr-container {
        background: #2d2d2d;
    }
}

#share-qr-code {
    display: flex;
    justify-content: center;
    align-items: center;
}

#share-qr-code canvas,
#share-qr-code img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.share-link-section {
    text-align: left;
}

.share-link-section label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
    font-size: 14px;
}

@media (prefers-color-scheme: dark) {
    .share-link-section label {
        color: #e5e7eb;
    }
}

.share-link-row {
    display: flex;
    gap: 8px;
}

.share-link-row input {
    flex: 1;
    padding: 12px 14px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    background: #f9fafb;
    color: #374151;
    outline: none;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (prefers-color-scheme: dark) {
    .share-link-row input {
        background: #374151;
        border-color: #4b5563;
        color: #e5e7eb;
    }
}

.share-link-row input:focus {
    border-color: #059669;
}

.share-btn-copy {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 8px;
    background: #059669;
    color: white;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.share-btn-copy:hover {
    background: #047857;
}

.share-btn-copy.copied {
    background: #22c55e;
}

.share-copy-feedback {
    font-size: 13px;
    color: #22c55e;
    margin-top: 6px;
    min-height: 20px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.share-copy-feedback.visible {
    opacity: 1;
}

.share-btn-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    color: white;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.share-btn-download:hover {
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    transform: translateY(-1px);
}

/* Share Options */
.share-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 16px 0;
    padding: 12px;
    background: #f9fafb;
    border-radius: 8px;
}

.share-option {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background 0.15s ease;
}

.share-option:hover {
    background: #f3f4f6;
}

.share-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #059669;
    cursor: pointer;
}

.share-option span {
    font-weight: 500;
    color: #374151;
}

.share-option small {
    width: 100%;
    margin-left: 26px;
    font-size: 12px;
    color: #6b7280;
}

@media (prefers-color-scheme: dark) {
    .share-options {
        background: #1f2937;
    }

    .share-option:hover {
        background: #374151;
    }

    .share-option span {
        color: #e5e7eb;
    }

    .share-option small {
        color: #9ca3af;
    }
}

/* ===== IMAGE MANAGER MODAL ===== */

.image-manager-content {
    max-width: 600px;
}

.image-manager-body {
    padding: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

.image-manager-info {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 15px;
    padding: 10px;
    background: #f3f4f6;
    border-radius: 8px;
}

@media (prefers-color-scheme: dark) {
    .image-manager-info {
        background: #374151;
        color: #9ca3af;
    }
}

.add-word-section {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.add-word-section input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    color: #1f2937;
}

.add-word-section input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-add-word {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.btn-add-word:hover {
    background: #059669;
}

.btn-add-word:active {
    background: #047857;
}

@media (prefers-color-scheme: dark) {
    .add-word-section input {
        background: #374151;
        border-color: #4b5563;
        color: #f3f4f6;
    }

    .add-word-section input:focus {
        border-color: #60a5fa;
        box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
    }
}

.word-list-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.word-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #f9fafb;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
}

@media (prefers-color-scheme: dark) {
    .word-item {
        background: #374151;
        border-color: #4b5563;
    }
}

.word-item.disabled {
    opacity: 0.5;
}

.word-item-image {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: contain;
    background: white;
    border: 1px solid #e5e7eb;
    flex-shrink: 0;
}

.word-item-image.no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #9ca3af;
    background: #f3f4f6;
}

@media (prefers-color-scheme: dark) {
    .word-item-image {
        background: white;
        border-color: #4b5563;
    }
    .word-item-image.no-image {
        background: #374151;
    }
}

.word-item-text {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: #374151;
}

@media (prefers-color-scheme: dark) {
    .word-item-text {
        color: #e5e7eb;
    }
}

.word-item-actions {
    display: flex;
    gap: 8px;
}

.word-item-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.word-item-btn.search {
    background: #2c6693;
    color: white;
}

.word-item-btn.search:hover {
    background: #1e4b6e;
}

.word-item-btn.toggle {
    background: #e5e7eb;
    color: #374151;
}

@media (prefers-color-scheme: dark) {
    .word-item-btn.toggle {
        background: #4b5563;
        color: #e5e7eb;
    }
}

.word-item-btn.toggle:hover {
    background: #d1d5db;
}

@media (prefers-color-scheme: dark) {
    .word-item-btn.toggle:hover {
        background: #6b7280;
    }
}

.word-item-btn.toggle.disabled {
    background: #dc2626;
    color: white;
}

.word-item-btn.toggle.disabled:hover {
    background: #b91c1c;
}

.word-item-btn.delete {
    background: #ef4444;
    color: white;
}

.word-item-btn.delete:hover {
    background: #dc2626;
}

.word-item.manually-added {
    border-left: 3px solid #10b981;
}

.word-item-badge {
    display: inline-block;
    font-size: 10px;
    padding: 2px 6px;
    background: #10b981;
    color: white;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

/* ===== IMAGE SEARCH MODAL ===== */

.image-search-content {
    max-width: 550px;
}

.image-search-body {
    padding: 20px;
}

.search-input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-input-row input {
    flex: 1;
    padding: 12px 14px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

@media (prefers-color-scheme: dark) {
    .search-input-row input {
        background: #374151;
        border-color: #4b5563;
        color: #e5e7eb;
    }
}

.search-input-row input:focus {
    border-color: #2c6693;
}

.btn-search {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: #2c6693;
    color: white;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-search:hover {
    background: #1e4b6e;
}

.search-results-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 30px;
    color: #6b7280;
}

.search-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 12px;
    max-height: 350px;
    overflow-y: auto;
    padding: 5px;
}

.search-result-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    background: #f9fafb;
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s ease;
}

@media (prefers-color-scheme: dark) {
    .search-result-item {
        background: #374151;
    }
}

.search-result-item:hover {
    border-color: #2c6693;
    background: #eff6ff;
}

@media (prefers-color-scheme: dark) {
    .search-result-item:hover {
        background: #1e3a5f;
    }
}

.search-result-item img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 6px;
    background: white;
}

@media (prefers-color-scheme: dark) {
    .search-result-item img {
        background: white;
    }
}

.search-no-results {
    text-align: center;
    padding: 30px;
    color: #6b7280;
    font-size: 14px;
}

/* ===== RESPONSIVE ===== */

@media screen and (max-width: 600px) {
    main {
        padding: 10px;
        /* Platz für den unten fixierten „Los geht's!"-Knopf (Schmal-Layout) */
        padding-bottom: 90px;
    }

    .mode-btn {
        font-size: 14px;
        padding: 10px 12px;
    }

    .strategy-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .strategy-btn {
        padding: 12px 8px;
    }

    .strategy-icon {
        font-size: 24px;
    }

    .strategy-label {
        font-size: 12px;
    }

    .strategy-desc {
        font-size: 10px;
    }

    .btn-recognize-main {
        font-size: 16px;
        padding: 12px 20px;
    }

    #chat-messages {
        max-height: 300px;
    }

    .chat-message {
        font-size: 15px;
        padding: 10px 14px;
        max-width: 92%;
    }

    #chat-input {
        font-size: 16px;
        padding: 10px 14px;
    }

    .chat-composer {
        height: 44px;
        border-radius: 22px;
    }

    .chat-composer-mic {
        flex-basis: 44px;
        border-radius: 20px 0 0 20px;
    }

    .chat-icon-btn {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .chat-icon-btn img {
        width: 24px;
        height: 24px;
    }

    .create-buttons {
        flex-direction: column;
    }

    .create-btn {
        min-width: auto;
    }
}

/* ===== GENERATOR SPECIAL OPTIONS (Fermi & Kapitän) ===== */

.generator-special-options {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.special-option-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
    user-select: none;
}

.special-option-chip input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 0;
}

.special-option-chip .chip-icon-img {
    height: 20px;
    width: auto;
}

/* Fermi Chip */
.special-option-fermi {
    background: #b4c0d0;
    border: 1px solid #94a3b8;
    color: var(--color-text-primary);
}

.special-option-fermi:hover {
    background: #a3b1c4;
    border-color: #64748b;
}

.special-option-fermi input[type="checkbox"] {
    accent-color: var(--color-primary);
}

/* Kapitän Chip */
.special-option-captain {
    background: #b4c0d0;
    border: 1px solid #94a3b8;
    color: var(--color-text-primary);
}

.special-option-captain:hover {
    background: #a3b1c4;
    border-color: #64748b;
}

.special-option-captain input[type="checkbox"] {
    accent-color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
    .special-option-fermi {
        background: #475569;
        border-color: #64748b;
        color: #e2e8f0;
    }

    .special-option-fermi:hover {
        background: #334155;
    }

    .special-option-captain {
        background: #475569;
        border-color: #64748b;
        color: #e2e8f0;
    }

    .special-option-captain:hover {
        background: #334155;
    }
}

/* ===== ASSUMPTIONS STRATEGY BUTTON ===== */

.strategy-list-btn[data-mode="assumptions"] {
    border-color: #c084fc;
}

.strategy-list-btn[data-mode="assumptions"]:hover {
    border-color: #a855f7;
    background: #f3e8ff;
}

@media (prefers-color-scheme: dark) {
    .strategy-list-btn[data-mode="assumptions"]:hover {
        background: #2e1065;
    }
}

.strategy-list-icon-emoji {
    font-size: 40px;
    flex-shrink: 0;
    min-width: 48px;
    text-align: center;
}

/* Strategy color for assumptions */
.chat-message.bot[data-strategy="assumptions"] {
    border-left: 4px solid #a855f7;
}

/* ===== HIGHLIGHTING ===== */

.info-highlight {
    background: linear-gradient(120deg, #bbf7d0 0%, #86efac 100%);
    padding: 2px 4px;
    border-radius: 4px;
}

.question-highlight {
    background: linear-gradient(120deg, #fef08a 0%, #fde047 100%);
    padding: 2px 4px;
    border-radius: 4px;
}

/* ===== KI-MARKUP HIGHLIGHTING (fuer Text-Markierungen durch die KI) ===== */

.markup-gegeben {
    background: linear-gradient(120deg, #bbf7d0 0%, #86efac 100%);
    padding: 2px 6px;
    border-radius: 4px;
    border-bottom: 2px solid #22c55e;
    font-weight: 500;
}

.markup-gesucht {
    background: linear-gradient(120deg, #fef08a 0%, #fde047 100%);
    padding: 2px 6px;
    border-radius: 4px;
    border-bottom: 2px solid #eab308;
    font-weight: 500;
}

.markup-unwichtig {
    background: linear-gradient(120deg, #fecaca 0%, #fca5a5 100%);
    padding: 2px 6px;
    border-radius: 4px;
    text-decoration: line-through;
    opacity: 0.7;
}

.markup-zahl {
    background: linear-gradient(120deg, #c7d2fe 0%, #a5b4fc 100%);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

/* ===== DIALOG-OPTIONEN (bestehende Geschichte veraendern) ===== */

.dialog-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dialog-options p {
    margin: 0;
}

.existing-task-preview {
    background: rgba(0, 0, 0, 0.05);
    padding: 10px 12px;
    border-radius: 8px;
    font-style: italic;
    font-size: 14px;
    line-height: 1.4;
    border-left: 3px solid var(--color-primary);
}

.dialog-option-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.dialog-option-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.dialog-option-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.dialog-option-btn:active {
    transform: translateX(2px);
}

.option-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.option-text {
    font-weight: 600;
}

/* Responsive Anpassung */
@media screen and (max-width: 400px) {
    .dialog-option-btn {
        padding: 12px 14px;
        font-size: 14px;
    }

    .option-icon {
        font-size: 20px;
    }
}

/* ===== RECHENAUFGABEN-EINGABE (Dialog-Modus) ===== */

.calculation-input-wrapper {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.calculation-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    letter-spacing: 2px;
    outline: none;
    transition: all 0.2s ease;
}

.calculation-input::placeholder {
    color: var(--color-text-muted);
    font-weight: 400;
}

.calculation-input:focus {
    border-color: var(--color-primary);
    background: var(--color-surface);
}

.calculation-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.calculation-submit-btn {
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    background: var(--color-primary);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.calculation-submit-btn:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: scale(1.02);
}

.calculation-submit-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.calculation-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media screen and (max-width: 400px) {
    .calculation-input-wrapper {
        flex-direction: column;
    }

    .calculation-input {
        font-size: 16px;
        padding: 12px 14px;
    }

    .calculation-submit-btn {
        padding: 12px 18px;
    }
}

/* ===== CHAT-VERBESSERUNGEN ===== */

/* Strategie-spezifische Nachrichtenfarben */
.chat-message.bot[data-strategy="understand"] {
    border-left: 4px solid #2563eb;
}

.chat-message.bot[data-strategy="ask"] {
    border-left: 4px solid #7c3aed;
}

.chat-message.bot[data-strategy="solve"] {
    border-left: 4px solid #059669;
}

.chat-message.bot[data-strategy="check"] {
    border-left: 4px solid #d97706;
}

.chat-message.bot[data-strategy="captain"] {
    border-left: 4px solid #dc2626;
}

.chat-message.bot[data-strategy="write"] {
    border-left: 4px solid #ec4899;
}

.chat-message.bot[data-strategy="detective"] {
    border-left: 4px solid #dc2626;
}

/* Hint-Box fuer Tipps */
.hint-box {
    background: #fef9c3;
    border-radius: 8px;
    padding: 8px 12px;
    margin-top: 8px;
    font-size: 0.9em;
    border-left: 3px solid #eab308;
}

@media (prefers-color-scheme: dark) {
    .hint-box {
        background: #422006;
        border-left-color: #fbbf24;
    }
}

.hint-box::before {
    content: "💡 ";
}

/* Frage-Indikator Animation */
.question-indicator {
    display: inline-block;
    margin-left: 4px;
    font-size: 0.9em;
    animation: subtle-bounce 0.5s ease-in-out;
}

@keyframes subtle-bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-2px);
    }
}

/* ===== GRAFIK/TABELLEN-VIEW (Monospace) ===== */

.graphic-container {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.graphic-view {
    background: #1e293b;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.graphic-view-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: #334155;
    color: #e2e8f0;
    font-size: 13px;
    font-weight: 600;
}

.graphic-view-header-icon {
    font-size: 16px;
}

.graphic-view-content {
    padding: 15px;
    overflow-x: auto;
    overflow-y: hidden;
}

.graphic-view-pre {
    margin: 0;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Consolas', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
    color: #e2e8f0;
    white-space: pre;
    tab-size: 4;
}

/* Tabelle spezifisch */
.graphic-view.table-view {
    background: linear-gradient(135deg, #0f766e, #047857);
}

.graphic-view.table-view .graphic-view-header {
    background: rgba(0, 0, 0, 0.2);
}

.graphic-view.table-view .graphic-view-pre {
    color: #d1fae5;
}

/* Grafik/Diagramm spezifisch */
.graphic-view.chart-view {
    background: linear-gradient(135deg, #1e40af, #3730a3);
}

.graphic-view.chart-view .graphic-view-header {
    background: rgba(0, 0, 0, 0.2);
}

.graphic-view.chart-view .graphic-view-pre {
    color: #c7d2fe;
}

/* Bildbeschreibung spezifisch */
.graphic-view.description-view {
    background: linear-gradient(135deg, #9333ea, #7c3aed);
}

.graphic-view.description-view .graphic-view-header {
    background: rgba(0, 0, 0, 0.2);
}

.graphic-view.description-view .graphic-view-content {
    font-family: inherit;
    font-size: 15px;
    line-height: 1.5;
    color: #f3e8ff;
}

/* Responsive Anpassungen */
@media screen and (max-width: 600px) {
    .graphic-view-content {
        padding: 10px;
    }

    .graphic-view-pre {
        font-size: 12px;
    }
}

/* Dark Mode Anpassungen */
@media (prefers-color-scheme: dark) {
    .graphic-view {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    }
}

/* ===== WRONG SOLUTION CONTAINER (Fehler-Detektiv) ===== */

.wrong-solution-container {
    margin-top: 15px;
    background: #fef2f2;
    border: 2px solid #fecaca;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.wrong-solution-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #fecaca;
    color: #991b1b;
    font-weight: 600;
    font-size: 15px;
}

.wrong-solution-icon {
    font-size: 20px;
}

.wrong-solution-title {
    flex: 1;
}

.wrong-solution-read-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: rgba(255, 255, 255, 0.6);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.wrong-solution-read-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.05);
}

.wrong-solution-read-btn:active {
    transform: scale(0.95);
}

.wrong-solution-read-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.wrong-solution-content {
    padding: 16px;
}

.wrong-solution-steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.wrong-solution-step {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid #fecaca;
}

.wrong-solution-step .step-number {
    font-weight: 700;
    color: #dc2626;
    min-width: 24px;
}

.wrong-solution-step .step-text {
    flex: 1;
    color: #374151;
}

.wrong-solution-answer {
    margin-top: 12px;
    padding: 12px;
    background: #fee2e2;
    border-radius: 8px;
    color: #991b1b;
    font-size: 15px;
}

.wrong-solution-reveal-btn {
    display: block;
    width: calc(100% - 32px);
    margin: 0 16px 16px 16px;
    padding: 12px;
    background: #059669;
    color: white;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.wrong-solution-reveal-btn:hover {
    background: #047857;
}

/* Korrekte Loesung (nach Reveal) */
.correct-solution-reveal {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px dashed #86efac;
}

.correct-solution-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: #059669;
    font-weight: 600;
    font-size: 15px;
}

.correct-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: #059669;
    color: white;
    border-radius: 50%;
    font-size: 14px;
}

.correct-solution-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.correct-solution-step {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    background: #d1fae5;
    border-radius: 8px;
    border: 1px solid #86efac;
}

.correct-solution-step .step-number {
    font-weight: 700;
    color: #059669;
    min-width: 24px;
}

.correct-solution-step .step-text {
    flex: 1;
    color: #374151;
}

.correct-solution-answer {
    margin-top: 10px;
    padding: 12px;
    background: #bbf7d0;
    border-radius: 8px;
    color: #166534;
    font-size: 15px;
}

/* Dark Mode fuer Wrong Solution Container */
@media (prefers-color-scheme: dark) {
    .wrong-solution-container {
        background: #2a1a1a;
        border-color: #7f1d1d;
    }

    .wrong-solution-header {
        background: #450a0a;
        color: #fca5a5;
    }

    .wrong-solution-read-btn {
        background: rgba(255, 255, 255, 0.15);
    }

    .wrong-solution-read-btn:hover {
        background: rgba(255, 255, 255, 0.25);
    }

    .wrong-solution-step {
        background: #1f1f1f;
        border-color: #7f1d1d;
    }

    .wrong-solution-step .step-text {
        color: #e5e7eb;
    }

    .wrong-solution-answer {
        background: #450a0a;
        color: #fca5a5;
    }

    .correct-solution-reveal {
        border-top-color: #065f46;
    }

    .correct-solution-step {
        background: #064e3b;
        border-color: #065f46;
    }

    .correct-solution-step .step-text {
        color: #e5e7eb;
    }

    .correct-solution-answer {
        background: #064e3b;
        color: #6ee7b7;
    }
}

/* ===== NOTIZBUCH (automatische Notizen beim Lösen) ===== */

.notebook-container {
    margin-top: 15px;
    background: #f0fdf4;
    border: 2px solid #86efac;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.notebook-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #86efac;
    color: #166534;
    font-weight: 600;
    font-size: 15px;
}

.notebook-icon {
    font-size: 20px;
}

.notebook-title {
    flex: 1;
}

.notebook-read-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: rgba(255, 255, 255, 0.6);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.notebook-read-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.05);
}

.notebook-read-btn:active {
    transform: scale(0.95);
}

.notebook-read-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.notebook-content {
    padding: 16px;
}

.notebook-steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notebook-step {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid #86efac;
    animation: notebookStepAppear 0.3s ease-out;
}

.notebook-step .step-number {
    font-weight: 700;
    color: #059669;
    min-width: 24px;
}

.notebook-step .step-text {
    flex: 1;
    color: #374151;
}

.notebook-answer {
    margin-top: 12px;
    padding: 12px;
    background: #bbf7d0;
    border-radius: 8px;
    color: #166534;
    font-size: 15px;
    animation: notebookStepAppear 0.3s ease-out;
}

@keyframes notebookStepAppear {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dark Mode fuer Notizbuch */
@media (prefers-color-scheme: dark) {
    .notebook-container {
        background: #0a2a1a;
        border-color: #065f46;
    }

    .notebook-header {
        background: #064e3b;
        color: #6ee7b7;
    }

    .notebook-read-btn {
        background: rgba(255, 255, 255, 0.15);
    }

    .notebook-read-btn:hover {
        background: rgba(255, 255, 255, 0.25);
    }

    .notebook-step {
        background: #1f1f1f;
        border-color: #065f46;
    }

    .notebook-step .step-text {
        color: #e5e7eb;
    }

    .notebook-answer {
        background: #064e3b;
        color: #6ee7b7;
    }
}

/* ===== GERENDERTE HTML-TABELLEN ===== */

.rendered-table {
    width: 100%;
    border-collapse: collapse;
    font-family: inherit;
    font-size: 15px;
}

.rendered-table th,
.rendered-table td {
    padding: 10px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.rendered-table th {
    background: rgba(0, 0, 0, 0.15);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

.rendered-table td {
    color: rgba(255, 255, 255, 0.9);
}

.rendered-table tr:last-child td {
    border-bottom: none;
}

.rendered-table tr:hover td {
    background: rgba(255, 255, 255, 0.05);
}

/* Tabelle im table-view Kontext */
.graphic-view.table-view .rendered-table th {
    color: #d1fae5;
}

.graphic-view.table-view .rendered-table td {
    color: #d1fae5;
}

/* ===== GERENDERTE SVG-CHARTS ===== */

.rendered-chart {
    width: 100%;
    max-width: 450px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.chart-label {
    font-size: 14px;
    font-family: inherit;
    fill: rgba(255, 255, 255, 0.9);
}

.chart-value {
    font-size: 14px;
    font-family: inherit;
    font-weight: 600;
    fill: rgba(255, 255, 255, 0.95);
}

/* Chart im chart-view Kontext */
.graphic-view.chart-view .chart-label {
    fill: #c7d2fe;
}

.graphic-view.chart-view .chart-value {
    fill: #e0e7ff;
}

/* Responsive Anpassungen fuer gerenderte Elemente */
@media screen and (max-width: 600px) {
    .rendered-table {
        font-size: 13px;
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .rendered-table th,
    .rendered-table td {
        padding: 8px 10px;
        white-space: nowrap;
    }

    .rendered-table td:last-child,
    .rendered-table th:last-child {
        white-space: normal;
        min-width: 120px;
    }

    .rendered-chart {
        max-width: 100%;
    }

    .chart-label,
    .chart-value {
        font-size: 12px;
    }

    /* Tabellen-Container mit Scroll-Hinweis */
    .graphic-view.table-view .graphic-view-content {
        position: relative;
    }

    .graphic-view.table-view .graphic-view-content::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 30px;
        background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.1));
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.3s;
    }

    .graphic-view.table-view .graphic-view-content:hover::after {
        opacity: 1;
    }
}

/* ===== COLLECTION FEATURE ===== */

/* Collection Search */
.collection-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 10;
}

.collection-search .search-icon {
    color: #9ca3af;
    flex-shrink: 0;
}

.collection-search input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 15px;
    outline: none;
    color: #1f2937;
}

.collection-search input::placeholder {
    color: #9ca3af;
}

.btn-clear-search {
    background: #e5e7eb;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

.btn-clear-search:hover {
    background: #d1d5db;
    color: #374151;
}

@media (prefers-color-scheme: dark) {
    .collection-search {
        background: #374151;
        border-color: #4b5563;
    }

    .collection-search input {
        color: #f3f4f6;
    }

    .collection-search input::placeholder {
        color: #9ca3af;
    }

    .collection-search .search-icon {
        color: #6b7280;
    }

    .btn-clear-search {
        background: #4b5563;
        color: #9ca3af;
    }

    .btn-clear-search:hover {
        background: #6b7280;
        color: #f3f4f6;
    }
}

.collection-divider {
    display: none;
}

/* Collection Modal */
.collection-modal-content {
    max-width: 600px;
    max-height: 90vh;
}

.collection-modal-body {
    padding: 15px 20px;
    max-height: calc(90vh - 120px);
    overflow-y: auto;
    background: #f3f4f6;
}

/* Collection Filters */
.collection-filters {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px;
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
}

@media (prefers-color-scheme: dark) {
    .collection-modal-body {
        background: #111827;
    }

    .collection-filters {
        background: #374151;
    }
}

.filter-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-label {
    font-size: 15px;
    font-weight: 600;
    color: #6b7280;
    min-width: 80px;
}

@media (prefers-color-scheme: dark) {
    .filter-label {
        color: #9ca3af;
    }
}

.filter-tag {
    padding: 6px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    background: white;
    color: #4b5563;
    font-family: inherit;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.15s ease;
}

@media (prefers-color-scheme: dark) {
    .filter-tag {
        background: #1f1f1f;
        border-color: #4b5563;
        color: #d1d5db;
    }
}

.filter-tag:hover {
    border-color: #059669;
    color: #059669;
}

.filter-tag.active {
    background: #059669;
    border-color: #059669;
    color: white;
}

/* Collection Sections */
.collection-section {
    margin-bottom: 20px;
}

.collection-section:last-child {
    margin-bottom: 0;
}

.collection-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e5e7eb;
}

@media (prefers-color-scheme: dark) {
    .collection-section-title {
        color: #e5e7eb;
        border-color: #4b5563;
    }
}

.collection-section-title svg {
    color: #9ca3af;
}

/* Collection Section Header with Actions */
.collection-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e5e7eb;
    flex-wrap: wrap;
}

@media (prefers-color-scheme: dark) {
    .collection-section-header {
        border-color: #4b5563;
    }
}

.collection-section-header .collection-section-title {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* Collection Action Buttons */
.collection-section-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-collection-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: white;
    color: #374151;
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-collection-action:hover:not(:disabled) {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.btn-collection-action:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-collection-action svg {
    flex-shrink: 0;
}

@media (prefers-color-scheme: dark) {
    .btn-collection-action {
        background: #374151;
        border-color: #4b5563;
        color: #e5e7eb;
    }

    .btn-collection-action:hover:not(:disabled) {
        background: #4b5563;
        border-color: #6b7280;
    }
}

/* Responsive: Hide button text on small screens */
@media screen and (max-width: 450px) {
    .btn-collection-action span {
        display: none;
    }

    .btn-collection-action {
        padding: 8px;
    }
}

/* Collection List */
.collection-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.collection-empty-hint {
    text-align: center;
    color: #9ca3af;
    font-size: 16px;
    padding: 20px;
    font-style: italic;
}

/* Collection Item */
.collection-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s ease;
}

@media (prefers-color-scheme: dark) {
    .collection-item {
        background: #1f1f1f;
        border-color: #374151;
    }
}

.collection-item:hover {
    border-color: #059669;
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.1);
}

.collection-item-content {
    flex: 1;
    min-width: 0;
}

.collection-item-title {
    font-weight: 600;
    font-size: 17px;
    color: #1f2937;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

@media (prefers-color-scheme: dark) {
    .collection-item-title {
        color: #f3f4f6;
    }
}

.collection-item-preview {
    font-size: 15px;
    color: #6b7280;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}

@media (prefers-color-scheme: dark) {
    .collection-item-preview {
        color: #9ca3af;
    }
}

.collection-item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.collection-tag {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
}

/* Type Badges */
.type-badge {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
}

.type-badge.standard {
    background: #d1fae5;
    color: #047857;
}

.type-badge.fermi {
    background: #ede9fe;
    color: #7c3aed;
}

.type-badge.captain {
    background: #fee2e2;
    color: #dc2626;
}

/* Difficulty Tags */
.difficulty-tag {
    background: #f3f4f6;
    color: #4b5563;
}

.difficulty-tag.leicht {
    background: #d1fae5;
    color: #047857;
}

.difficulty-tag.mittel {
    background: #fef3c7;
    color: #b45309;
}

.difficulty-tag.schwer {
    background: #fee2e2;
    color: #dc2626;
}

/* Zahlenraum Tags */
.zahlenraum-tag {
    background: #f3e8ff;
    color: #7c3aed;
}

/* Operation Tags */
.operation-tag {
    background: #dbeafe;
    color: #1d4ed8;
}

/* Collection Item Actions */
.collection-item-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-shrink: 0;
}

.collection-item-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: #f3f4f6;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

@media (prefers-color-scheme: dark) {
    .collection-item-btn {
        background: #374151;
        color: #9ca3af;
    }
}

.collection-item-btn:hover {
    background: #e5e7eb;
    color: #374151;
}

@media (prefers-color-scheme: dark) {
    .collection-item-btn:hover {
        background: #4b5563;
        color: #e5e7eb;
    }
}

.collection-item-btn.btn-load:hover {
    background: #d1fae5;
    color: #047857;
}

.collection-item-btn.btn-delete:hover {
    background: #fee2e2;
    color: #dc2626;
}

/* Confirm Modal */
.confirm-modal .modal-content {
    max-width: 420px;
}

.confirm-modal-content {
    max-width: 420px;
}

.confirm-preview {
    padding: 12px;
    background: #f3f4f6;
    border-radius: 8px;
    margin-top: 12px;
    font-size: 14px;
    color: #4b5563;
    line-height: 1.5;
    max-height: 100px;
    overflow-y: auto;
}

@media (prefers-color-scheme: dark) {
    .confirm-preview {
        background: #374151;
        color: #d1d5db;
    }
}

.confirm-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.btn-cancel {
    padding: 10px 20px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: white;
    color: #4b5563;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

@media (prefers-color-scheme: dark) {
    .btn-cancel {
        background: #374151;
        border-color: #4b5563;
        color: #d1d5db;
    }
}

.btn-cancel:hover {
    background: #f3f4f6;
}

@media (prefers-color-scheme: dark) {
    .btn-cancel:hover {
        background: #4b5563;
    }
}

.btn-confirm {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background: #059669;
    color: white;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-confirm:hover {
    background: #047857;
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: var(--toast-bottom, 20px);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #1f2937;
    color: white;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-notification.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-notification.success {
    background: #059669;
}

.toast-notification.error {
    background: #dc2626;
}

.toast-notification.info {
    background: #2563eb;
}

@media screen and (max-width: 899px) {
    .toast-notification {
        transform: translateX(-50%) scale(0.96);
    }

    .toast-notification.visible {
        transform: translateX(-50%) scale(1);
    }
}

/* Responsive */
@media screen and (max-width: 600px) {
    .collection-modal-content {
        max-width: 100%;
        margin: 10px;
    }

    .collection-filters {
        padding: 10px;
    }

    .filter-group {
        flex-wrap: wrap;
    }

    .filter-label {
        width: 100%;
        margin-bottom: 4px;
    }

    .collection-item {
        flex-direction: column;
    }

    .collection-item-actions {
        flex-direction: row;
        width: 100%;
        justify-content: flex-end;
    }
}

/* ===== URKUNDEN / ZERTIFIKATE SYSTEM ===== */

/* Dezenter Abschluss im Chat; die eigentliche Urkunde erscheint erst beim Verlassen des Modus. */
.chat-completion-indicator {
    align-self: center;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    max-width: calc(100% - 32px);
    margin: 2px auto 10px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #ecfdf5;
    color: #166534;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.25;
    text-wrap: pretty;
}

.chat-completion-indicator-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    border-radius: 50%;
    background: #16a34a;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
}

@media (prefers-color-scheme: dark) {
    .chat-completion-indicator {
        background: #052e24;
        color: #a7f3d0;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }
}

/* Header Left Buttons Container */
.header-left-buttons {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    justify-self: start;
}

/* Urkunden-Button im Header (dezent ohne Erfolge) */
.btn-certificates {
    position: relative;
    background: transparent;
    font-size: 1.1rem;
}

.btn-certificates:hover {
    background: rgba(0, 0, 0, 0.06);
}

.certificates-icon {
    font-size: 16px;
    height: 22px;
    width: auto;
    filter: grayscale(80%) opacity(0.55);
    transition: filter 0.3s ease;
}

/* Urkunden-Button hervorgehoben (wenn Urkunden vorhanden): kein Kreis, nur das Icon farbig */
.btn-certificates.has-certificates {
    background: transparent;
    border: none;
}

.btn-certificates.has-certificates:hover {
    background: rgba(0, 0, 0, 0.06);
}

.btn-certificates.has-certificates .certificates-icon {
    filter: grayscale(15%) opacity(0.95);
}

.certificate-count-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #dc2626;
    color: white;
    font-size: 10px;
    font-weight: 600;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
}

@media (prefers-color-scheme: dark) {
    .btn-certificates.has-certificates {
        background: transparent;
        border: none;
    }

    .btn-certificates.has-certificates:hover {
        background: rgba(255, 255, 255, 0.08);
    }
}

/* Certificates Modal */
.certificates-modal-content {
    max-width: 1040px;
    width: min(96%, 1040px);
    max-height: 90vh;
    overflow: hidden;
}

.certificates-modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 68vh;
    background:
        radial-gradient(circle at 8% 4%, rgba(251, 191, 36, 0.14), transparent 24%),
        #f5f7f4;
}

.certificates-modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: center;
}

@media (prefers-color-scheme: dark) {
    .certificates-modal-footer {
        border-top-color: #374151;
    }

    .certificates-modal-body {
        background: #111827;
    }
}

/* Trophy Overview */
.trophy-overview {
    margin-bottom: 25px;
}

.trophy-overview-title {
    font-size: 16px;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (prefers-color-scheme: dark) {
    .trophy-overview-title {
        color: #9ca3af;
    }
}

.trophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
    gap: 10px;
}

.trophy-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: #f9fafb;
    border-radius: 12px;
    transition-property: background-color, border-color, opacity;
    transition-duration: 200ms;
    transition-timing-function: ease;
    border: 2px solid transparent;
}

@media (prefers-color-scheme: dark) {
    .trophy-item {
        background: #1f2937;
    }
}

.trophy-item.earned {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-color: #f59e0b;
}

@media (prefers-color-scheme: dark) {
    .trophy-item.earned {
        background: linear-gradient(135deg, #78350f, #92400e);
        border-color: #b45309;
    }
}

.trophy-item.locked {
    opacity: 0.5;
}

.trophy-icon {
    font-size: 28px;
    margin-bottom: 4px;
    transition: transform 0.2s ease;
}

.trophy-icon.locked {
    filter: grayscale(100%);
}

.trophy-item.earned .trophy-icon {
    filter: none;
}

.trophy-item.earned:hover .trophy-icon {
    transform: scale(1.1);
}

.trophy-label {
    font-size: 12px;
    color: #6b7280;
    text-align: center;
    line-height: 1.2;
}

@media (prefers-color-scheme: dark) {
    .trophy-label {
        color: #9ca3af;
    }
}

.trophy-item.earned .trophy-label {
    color: #92400e;
    font-weight: 500;
}

@media (prefers-color-scheme: dark) {
    .trophy-item.earned .trophy-label {
        color: #fef3c7;
    }
}

.trophy-count {
    font-size: 13px;
    font-weight: 600;
    color: #9ca3af;
    margin-top: 2px;
}

.trophy-item.earned .trophy-count {
    color: #b45309;
}

@media (prefers-color-scheme: dark) {
    .trophy-item.earned .trophy-count {
        color: #fcd34d;
    }
}

/* Certificates Section */
.certificates-section {
    margin-top: 20px;
}

.certificates-section-title {
    font-size: 16px;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (prefers-color-scheme: dark) {
    .certificates-section-title {
        color: #9ca3af;
    }
}

.certificates-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.certificates-empty-hint {
    grid-column: 1 / -1;
    text-align: center;
    color: #9ca3af;
    font-size: 16px;
    padding: 30px 20px;
    background: #f9fafb;
    border-radius: 12px;
}

@media (prefers-color-scheme: dark) {
    .certificates-empty-hint {
        background: #1f2937;
        color: #6b7280;
    }
}

/* Certificate Card */
.certificate-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 360px;
    background: white;
    border-radius: 18px;
    padding: 18px;
    border: 0;
    cursor: pointer;
    overflow: hidden;
    outline: 1px solid rgba(5, 150, 105, 0.16);
    outline-offset: -7px;
    box-shadow: 0 2px 5px rgba(31, 41, 55, 0.08), 0 12px 28px rgba(31, 41, 55, 0.07);
    transition-property: transform, box-shadow, outline-color;
    transition-duration: 180ms;
    transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

@media (prefers-color-scheme: dark) {
    .certificate-card {
        background: #1f2937;
        outline-color: rgba(52, 211, 153, 0.25);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3), 0 12px 28px rgba(0, 0, 0, 0.2);
    }
}

.certificate-card:hover {
    transform: translateY(-3px);
    outline-color: rgba(5, 150, 105, 0.6);
    box-shadow: 0 4px 8px rgba(31, 41, 55, 0.09), 0 18px 36px rgba(5, 150, 105, 0.12);
}

.certificate-card:active {
    transform: translateY(0) scale(0.96);
}

.certificate-card:focus-visible {
    outline: 3px solid #059669;
    outline-offset: 3px;
}

.certificate-ornament {
    position: absolute;
    top: 10px;
    left: 50%;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(145deg, #fef3c7, #fbbf24);
    color: #92400e;
    box-shadow: 0 2px 5px rgba(146, 64, 14, 0.2);
    transform: translateX(-50%);
    font-size: 18px;
}

.certificate-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
    padding-top: 5px;
}

.certificate-kicker {
    color: #047857;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.certificate-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.certificate-strategy-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 16px;
    color: #059669;
    font-size: 14px;
}

@media (prefers-color-scheme: dark) {
    .certificate-strategy-badge {
        color: #34d399;
    }
}

.certificate-date {
    font-size: 12px;
    color: #9ca3af;
    display: flex;
    align-items: center;
    gap: 8px;
}

.certificate-card-title {
    margin: 7px 20px 12px;
    color: #064e3b;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 19px;
    line-height: 1.2;
    text-align: center;
    text-wrap: balance;
}

@media (prefers-color-scheme: dark) {
    .certificate-kicker,
    .certificate-card-title {
        color: #6ee7b7;
    }
}

.certificate-count-info {
    color: #6b7280;
    font-size: 13px;
}

.certificate-delete-btn {
    background: transparent;
    border: none;
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    cursor: pointer;
    color: #9ca3af;
    border-radius: 6px;
    transition-property: color, background-color, transform;
    transition-duration: 160ms;
}

.certificate-delete-btn:active {
    transform: scale(0.96);
}

.certificate-delete-btn:hover {
    background: #fee2e2;
    color: #dc2626;
}

@media (prefers-color-scheme: dark) {
    .certificate-delete-btn:hover {
        background: #450a0a;
        color: #fca5a5;
    }
}

.certificate-task-preview {
    display: -webkit-box;
    min-height: 58px;
    padding: 10px 12px;
    overflow: hidden;
    border-radius: 10px;
    background: #f7faf8;
    color: #4b5563;
    font-size: 13px;
    line-height: 1.45;
    text-wrap: pretty;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

@media (prefers-color-scheme: dark) {
    .certificate-task-preview {
        background: #111827;
        color: #9ca3af;
    }
}

.certificate-kompetenzen {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
    padding-top: 11px;
    border-top: 1px solid rgba(5, 150, 105, 0.16);
}

@media (prefers-color-scheme: dark) {
    .certificate-kompetenzen {
        border-top-color: #374151;
    }
}

.certificate-kompetenzen-label {
    font-size: 11px;
    font-weight: 800;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.certificate-achievements {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}

.certificate-achievement {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    min-width: 0;
    padding: 8px;
    border-radius: 10px;
    background: #ecfdf5;
}

.certificate-achievement-icon {
    font-size: 17px;
    line-height: 1.2;
}

.certificate-achievement-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 2px;
}

.certificate-achievement-copy strong {
    color: #047857;
    font-size: 11px;
}

.certificate-achievement-copy span {
    display: -webkit-box;
    overflow: hidden;
    color: #4b5563;
    font-size: 10px;
    line-height: 1.25;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.certificate-open-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: auto;
    padding-top: 14px;
    color: #047857;
    font-size: 11px;
    font-weight: 700;
}

@media (prefers-color-scheme: dark) {
    .certificate-achievement {
        background: #064e3b;
    }

    .certificate-achievement-copy strong,
    .certificate-open-hint {
        color: #6ee7b7;
    }

    .certificate-achievement-copy span {
        color: #d1d5db;
    }
}

/* Detailansicht eines Urkundenblatts */
.certificate-detail-modal {
    z-index: 10002;
}

.certificate-detail-content {
    max-width: 780px;
    overflow: hidden;
}

.certificate-detail-header {
    background: linear-gradient(135deg, #ecfdf5, #fffbeb);
}

.certificate-detail-eyebrow,
.certificate-detail-task > span,
.certificate-detail-achievement-header div > span {
    color: #047857;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.certificate-detail-header h2 {
    margin-top: 4px;
    color: #064e3b;
    font-family: Georgia, 'Times New Roman', serif;
    text-wrap: balance;
}

.certificate-detail-body {
    max-height: 70vh;
    overflow-y: auto;
    background: #f7faf8;
}

.certificate-detail-task {
    padding: 18px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 2px 5px rgba(31, 41, 55, 0.07), 0 10px 24px rgba(31, 41, 55, 0.05);
}

.certificate-detail-task p {
    margin: 8px 0 0;
    color: #374151;
    font-size: 15px;
    line-height: 1.55;
    white-space: pre-wrap;
    text-wrap: pretty;
}

.certificate-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.certificate-detail-achievement {
    padding: 16px;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 2px 5px rgba(31, 41, 55, 0.07), 0 10px 24px rgba(31, 41, 55, 0.05);
}

.certificate-detail-achievement-header {
    display: grid;
    grid-template-columns: 42px 1fr 40px;
    align-items: center;
    gap: 10px;
}

.certificate-detail-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #ecfdf5;
    font-size: 21px;
}

.certificate-detail-achievement-header h3 {
    margin: 2px 0 0;
    color: #064e3b;
    font-size: 16px;
}

.certificate-detail-competencies,
.certificate-detail-observation ul {
    margin: 13px 0 0;
    padding-left: 20px;
    color: #374151;
    font-size: 14px;
    line-height: 1.45;
}

.certificate-detail-observation {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid #d1fae5;
    color: #047857;
    font-size: 12px;
}

.certificate-detail-observation ul {
    margin-top: 5px;
}

.certificate-detail-feedback {
    margin: 14px 0 0;
    color: #047857;
    font-size: 13px;
    font-style: italic;
    line-height: 1.4;
}

@media (prefers-color-scheme: dark) {
    .certificate-detail-header {
        background: linear-gradient(135deg, #064e3b, #422006);
    }

    .certificate-detail-header h2,
    .certificate-detail-achievement-header h3 {
        color: #a7f3d0;
    }

    .certificate-detail-body {
        background: #111827;
    }

    .certificate-detail-task,
    .certificate-detail-achievement {
        background: #1f2937;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3), 0 10px 24px rgba(0, 0, 0, 0.18);
    }

    .certificate-detail-task p,
    .certificate-detail-competencies,
    .certificate-detail-observation ul {
        color: #e5e7eb;
    }

    .certificate-detail-icon {
        background: #064e3b;
    }
}

@media (max-width: 820px) {
    .certificates-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .certificates-modal-body {
        padding: 14px;
    }

    .certificates-list,
    .certificate-detail-grid {
        grid-template-columns: 1fr;
    }

    .certificate-card {
        min-height: 0;
    }
}

@media (prefers-color-scheme: dark) {
    .certificate-kompetenzen-label {
        color: #9ca3af;
    }
}

.certificate-kompetenz,
.certificate-kompetenz-item {
    font-size: 15px;
    color: #1f2937;
    line-height: 1.4;
    padding-left: 16px;
    position: relative;
}

.certificate-kompetenz-item::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
}

@media (prefers-color-scheme: dark) {

    .certificate-kompetenz,
    .certificate-kompetenz-item {
        color: #e5e7eb;
    }

    .certificate-kompetenz-item::before {
        color: #34d399;
    }
}

/* Export Button */
.btn-export-certificates {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #059669;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition-property: background-color, transform;
    transition-duration: 180ms;
}

.btn-export-certificates:hover:not(:disabled) {
    background: #047857;
}

.btn-export-certificates:active:not(:disabled) {
    transform: scale(0.96);
}

.btn-export-certificates:disabled {
    background: #9ca3af;
    cursor: not-allowed;
}

/* ===== CELEBRATION MODAL ===== */

.celebration-modal {
    z-index: 10001;
}

.celebration-modal .modal-overlay {
    background: rgba(0, 0, 0, 0.7);
}

.celebration-modal-content {
    max-width: 400px;
    width: 90%;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 50%, #fcd34d 100%);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
    .celebration-modal-content {
        background: linear-gradient(135deg, #78350f 0%, #92400e 50%, #b45309 100%);
    }
}

.celebration-icon-container {
    margin-bottom: 20px;
}

.celebration-icon {
    font-size: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: #059669;
    color: white;
    border-radius: 50%;
    animation: celebrationBounce 0.6s ease-out;
}

@media (prefers-color-scheme: dark) {
    .celebration-icon {
        background: #34d399;
        color: #064e3b;
    }
}

@keyframes celebrationBounce {
    0% {
        transform: scale(0) rotate(-15deg);
        opacity: 0;
    }

    50% {
        transform: scale(1.2) rotate(5deg);
    }

    70% {
        transform: scale(0.9) rotate(-3deg);
    }

    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.celebration-title {
    font-size: 28px;
    font-weight: 700;
    color: #92400e;
    margin-bottom: 15px;
}

@media (prefers-color-scheme: dark) {
    .celebration-title {
        color: #fef3c7;
    }
}

.celebration-kompetenz {
    font-size: 16px;
    color: #78350f;
    font-weight: 500;
    margin-bottom: 10px;
    line-height: 1.4;
}

@media (prefers-color-scheme: dark) {
    .celebration-kompetenz {
        color: #fde68a;
    }
}

.celebration-feedback {
    font-size: 14px;
    color: #92400e;
    font-style: italic;
    margin-bottom: 25px;
    line-height: 1.4;
}

@media (prefers-color-scheme: dark) {
    .celebration-feedback {
        color: #fcd34d;
    }
}

.celebration-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-celebration-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: #059669;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-celebration-primary:hover {
    background: #047857;
    transform: translateY(-2px);
}

.btn-celebration-secondary {
    padding: 12px 24px;
    background: transparent;
    color: #78350f;
    border: 2px solid #78350f;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
    .btn-celebration-secondary {
        color: #fef3c7;
        border-color: #fef3c7;
    }
}

.btn-celebration-secondary:hover {
    background: rgba(120, 53, 15, 0.1);
}

@media (prefers-color-scheme: dark) {
    .btn-celebration-secondary:hover {
        background: rgba(254, 243, 199, 0.1);
    }
}

/* Responsive */
@media screen and (max-width: 500px) {
    .trophy-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .trophy-item {
        padding: 10px 6px;
    }

    .trophy-icon {
        font-size: 24px;
    }

    .trophy-label {
        font-size: 9px;
    }

    .celebration-modal-content {
        padding: 30px 20px;
    }

    .celebration-icon {
        font-size: 60px;
    }

    .celebration-title {
        font-size: 24px;
    }
}

/* ===== ONBOARDING SPOTLIGHT ===== */

#onboarding-spotlight {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

#onboarding-spotlight.visible {
    opacity: 1;
    visibility: visible;
}

/* Onboarding-Modal ohne eigenen Hintergrund wenn Spotlight aktiv */
.onboarding-modal.visible {
    background: transparent;
}

/* ===== ONBOARDING TUTORIAL ===== */

.onboarding-modal-content {
    max-width: 420px;
    padding: 0;
    overflow: hidden;
    border-radius: 20px;
}

.onboarding-header {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    padding: 30px 20px;
    text-align: center;
    color: white;
}

.onboarding-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 12px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.onboarding-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.onboarding-slides {
    position: relative;
    min-height: 200px;
    padding: 30px 25px;
}

.onboarding-slide {
    display: none;
    text-align: center;
    animation: slideIn 0.3s ease;
}

.onboarding-slide.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.onboarding-slide-icon {
    margin-bottom: 16px;
}

.onboarding-slide-icon img {
    width: 56px;
    height: 56px;
}

.onboarding-emoji-icon {
    font-size: 48px;
    display: inline-block;
}

.onboarding-slide h3 {
    margin: 0 0 10px 0;
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

.onboarding-slide p {
    margin: 0;
    font-size: 15px;
    color: #6b7280;
    line-height: 1.5;
}

.onboarding-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding-bottom: 20px;
}

.onboarding-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e5e7eb;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: all 0.2s ease;
}

.onboarding-dot.active {
    background: #059669;
    width: 24px;
    border-radius: 5px;
}

.onboarding-dot:hover:not(.active) {
    background: #d1d5db;
}

.onboarding-actions {
    display: flex;
    justify-content: space-between;
    padding: 15px 25px 25px;
    gap: 12px;
}

.btn-onboarding-skip {
    background: transparent;
    border: none;
    color: #6b7280;
    font-size: 14px;
    cursor: pointer;
    padding: 10px 16px;
    transition: color 0.2s;
}

.btn-onboarding-skip:hover {
    color: #374151;
}

.btn-onboarding-next {
    background: #059669;
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-onboarding-next:hover {
    background: #047857;
}

@media (prefers-color-scheme: dark) {
    .onboarding-modal-content {
        background: #1f2937;
    }

    .onboarding-slide h3 {
        color: #f3f4f6;
    }

    .onboarding-slide p {
        color: #9ca3af;
    }

    .onboarding-dot {
        background: #4b5563;
    }

    .onboarding-dot.active {
        background: #059669;
    }

    .btn-onboarding-skip {
        color: #9ca3af;
    }

    .btn-onboarding-skip:hover {
        color: #f3f4f6;
    }
}

@media screen and (max-width: 600px) {
    .onboarding-modal-content {
        margin: 10px;
        max-width: calc(100% - 20px);
    }

    .onboarding-header {
        padding: 24px 16px;
    }

    .onboarding-header h2 {
        font-size: 18px;
    }

    .onboarding-slides {
        padding: 24px 20px;
        min-height: 180px;
    }

    .onboarding-actions {
        padding: 12px 20px 20px;
    }
}

/* ===== ONBOARDING HIGHLIGHT ===== */

.onboarding-highlight {
    position: relative;
    z-index: 1000 !important;
}

/* ===== TOUCH FEEDBACK ===== */

@media (hover: none) {

    button:active,
    .strategy-list-btn:active,
    .task-tool-btn:active,
    .task-options-item:active,
    .btn:active {
        transform: scale(0.97);
    }

    /* Schnellere Übergänge auf Touch-Geräten */
    button,
    .strategy-list-btn,
    .task-tool-btn,
    .task-options-item,
    .btn {
        transition-duration: 0.1s;
    }
}

/* ===== ACCESSIBILITY - Reduced Motion ===== */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .strategy-list-arrow {
        transition: none;
    }

    #strategy-list[style*="display: flex"],
    #chat-messages[style*="display: flex"],
    #chat-input-area[style*="display: flex"],
    .chat-typing.visible {
        animation-name: ui-content-fade !important;
        animation-duration: 120ms !important;
        transform: none !important;
    }
}

/* ===== ACCESSIBILITY - High Contrast ===== */

@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
    }

    .strategy-list-btn,
    .task-tool-btn,
    .task-options-item,
    .btn-secondary {
        border-width: 2px;
    }

    .strategy-list-btn:hover,
    .strategy-list-btn.active {
        border-width: 3px;
    }
}

/* ===== NATIVE APP (iOS) - Volle Bildschirmbreite ===== */

body.native-app main {
    max-width: 100%;
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
}

body.native-app .task-chat-wrapper .task-side,
body.native-app .task-chat-wrapper .chat-side {
    max-width: none;
}

/* Auf breiteren iOS-Geräten (iPad) etwas mehr Padding */
@media screen and (min-width: 768px) {
    body.native-app main {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }
}

/* Bei Side-by-Side Layout Chat-Bereich nicht mehr begrenzen */
@media screen and (min-width: 900px) {
    body.native-app .task-chat-wrapper .chat-side {
        flex: 0 0 45%;
        min-width: 300px;
        max-width: none;
    }
}

/* Groq-API-Bereich in nativer App ausblenden */
body.native-app .groq-api-section {
    display: none;
}

/* Alternativen Beschreibungstext in nativer App anzeigen */
body.native-app #api-desc {
    display: none;
}

body.native-app #api-desc-native {
    display: block !important;
}

/* In nativer iOS-App: Sämtliche KI-Modell-Einstellungen ausblenden,
   da das Modell fest über den nativen API-Proxy vorgegeben ist. */
body.native-app #settings-ki-modell,
body.native-app #settings-api-zugang {
    display: none !important;
}

/* ============================================================
   Matheforscher-Protokoll v3.2: KI-Kanal der App-Sammlung
   body.ki-host = Host stellt die KI ("bereit")
   body.ki-aus  = Lehrkraft hat die KI abgeschaltet ("deaktiviert")
   Die Klassen setzt applyKiKanalUI() in app.js, sobald das hello
   des Hosts eingetroffen ist.
   ============================================================ */

/* Eigene Schlüssel-/Anbieter-Felder entfallen, wenn die KI vom Host kommt
   oder dort abgeschaltet ist - stattdessen nur ein kurzer Hinweis. */
body.ki-host #settings-api-zugang .api-section,
body.ki-aus #settings-api-zugang .api-section,
body.ki-host #settings-ki-modell,
body.ki-aus #settings-ki-modell,
body.ki-host #api-desc,
body.ki-aus #api-desc {
    display: none !important;
}

body.ki-host #api-desc-kanal {
    display: block !important;
}

body.ki-aus #api-desc-kanal-aus {
    display: block !important;
}

/* KI aus: Alle Einstiege in KI-Funktionen ausblenden. Kein Rückfall auf einen
   eigenen Zugang - lesen, vorlesen und die Sammlung bleiben nutzbar. */
body.ki-aus #btn-photo,
body.ki-aus .photo-dropdown-container,
body.ki-aus #btn-generate,
body.ki-aus #btn-dialog-develop,
body.ki-aus #btn-go-explore,
body.ki-aus #chat-mic-btn,
body.ki-aus #free-ai-notice {
    display: none !important;
}

/* Hinweistext statt „Los geht's!" - nur bei abgeschalteter KI sichtbar. */
.ki-aus-hinweis {
    display: none;
    margin: 0;
    padding: var(--space-sm, 10px) var(--space-md, 16px);
    color: #6b7280;
    font-size: 14px;
    line-height: 1.4;
    text-align: center;
}

body.ki-aus .ki-aus-hinweis {
    display: block;
}

/* ============================================================
   Matheforscher-Plattform: Embed-Modus (?matheforscher=1 / iframe)
   Plattform stellt eigene Rahmen-UI (Auftrag, Tabs, Navigation),
   daher wird die Standalone-Hülle dezent zurückgenommen.
   ============================================================ */

/* Standardmäßig versteckte „Embed-only"-Elemente */
.embed-only {
    display: none !important;
}

body.embedded .embed-only {
    display: inline-flex !important;
}

/* Header (Logo + Titel + Tabs + Einstellungs-/Hilfe-/Urkunden-Buttons) wird
   im Embed-Modus komplett ausgeblendet — Plattform liefert eigene Rahmen-UI. */
body.embedded > header {
    display: none !important;
}

/* Sammlungs-Buttons im Embed standardmäßig versteckt — über „⋯"-Button einblendbar.
   Hintergrund: Sammlungen können als Aufgabenformat dienen, sind aber kein Default-UI. */
body.embedded #btn-add-collection,
body.embedded #btn-open-collection {
    display: none !important;
}

body.embedded.embed-show-extras #btn-add-collection,
body.embedded.embed-show-extras #btn-open-collection {
    display: inline-flex !important;
}

/* Visuelles Feedback, wenn die Extras eingeblendet sind */
body.embedded.embed-show-extras #btn-embed-overflow {
    background: var(--color-surface-hover, rgba(0, 0, 0, 0.06));
}

/* Etwas mehr Platz, da der Header wegfällt */
body.embedded main {
    padding-top: var(--space-md, 12px);
}

/* ===== Notiz-Modus „Bühne unten" ===== */
/* main ist bereits flex-column. #drawing-area ist ein direktes Kind von <main>
   (Geschwister von .task-chat-wrapper). Im Notiz-Modus (Klasse note-active auf <main>):
   obere Reihe (Aufgabe + Chat, .task-chat-wrapper) kompakt, Notizfeld volle Breite darunter. */

/* Notizfeld nur im Notiz-Modus sichtbar */
#drawing-area { display: none; }

main.note-active {
    /* Höhe der oberen Reihe (Aufgabe+Chat); per Zieh-Griff am Notizfeld überschreibbar */
    --note-top-h: 38vh;
}
main.note-active .task-chat-wrapper {
    flex: 0 0 auto;
    height: var(--note-top-h);
    min-height: 0;
}
main.note-active #drawing-area {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    margin-top: 10px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
    overflow: hidden;
}
/* Schmale Geräte: oben kleiner, Notizfeld groß */
@media (max-width: 699px) {
    main.note-active { --note-top-h: 44vh; }
}

/* Zieh-Griff zum Anpassen der Notizfeld-Höhe (oberer Rand) */
.note-resize-handle {
    display: none;
    align-items: center;
    justify-content: center;
    height: 14px;
    flex: 0 0 auto;
    background: #8b5cf6;
    cursor: ns-resize;
    touch-action: none;
}
main.note-active #drawing-area .note-resize-handle { display: flex; }
.note-resize-grip {
    width: 46px;
    height: 5px;
    border-radius: 99px;
    background: rgba(255, 255, 255, .55);
    pointer-events: none;
}
.note-resize-handle:hover .note-resize-grip { background: rgba(255, 255, 255, .85); }

/* Werkzeuge in der kombinierten Leiste */
.note-sep { width: 1px; align-self: stretch; min-height: 26px; background: rgba(255, 255, 255, .4); margin: 0 2px; }
.note-sizes { display: inline-flex; align-items: center; gap: 4px; }
.note-tool { display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    background: #fff; border: 1.5px solid #c4b5fd; border-radius: 10px;
    padding: 7px 9px; font-size: 14px; font-weight: 600; color: #5b21b6; cursor: pointer; line-height: 1; }
.note-tool svg { width: 20px; height: 20px; display: block; }
.note-tool.selected { background: #7c3aed; color: #fff; border-color: #7c3aed; }
.note-done { background: #059669; color: #fff; border-color: #059669; padding: 7px 12px; }
.note-spacer { flex: 1; min-width: 8px; }
/* Stiftstärken */
.note-sizes .note-size { background: #fff; border: 1.5px solid #c4b5fd; border-radius: 8px;
    width: 36px; height: 34px; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.note-sizes .note-size.selected { border-color: #7c3aed; box-shadow: 0 0 0 2px #ede9fe inset; }
.note-sizes .sz { display: block; width: 22px; background: #5b21b6; border-radius: 99px; }
.note-sizes .sz-thin { height: 3px; }
.note-sizes .sz-medium { height: 6px; }
.note-sizes .sz-thick { height: 10px; }
/* Objekt-Leiste */
.note-object-tray { display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
    padding: 10px; margin: 0 10px; background: #faf5ff; border: 2px dashed #c4b5fd; border-radius: 10px; }
.note-object-item { width: 64px; height: 76px; background: #fff; border: 1.5px solid #ddd6fe;
    border-radius: 10px; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 4px; cursor: pointer; font-size: 11px; color: #475569; padding: 4px; }
.note-object-item img { width: 40px; height: 40px; object-fit: contain; pointer-events: none; }
.note-object-item span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.note-object-item.search { border-style: dashed; color: #7c3aed; font-weight: 700; }
/* Chat-Vorschau der Skizze */
.chat-sketch-preview { position: relative; flex: 0 0 auto; }
.chat-sketch-preview img { width: 56px; height: 44px; object-fit: cover; border: 2px solid #e5e7eb;
    border-radius: 8px; cursor: pointer; background: #fff; }
.chat-sketch-preview-remove { position: absolute; top: -7px; right: -7px; width: 20px; height: 20px;
    border: none; border-radius: 50%; background: #dc2626; color: #fff; font-size: 13px; font-weight: 700;
    cursor: pointer; line-height: 1; }

/* ===== INTEGRIERTE NOTIZFLÄCHE (kariertes Blatt unter dem Aufgabentext) ===== */

.inline-note-sheet {
    --inline-note-h: 240px;
    position: relative;
    flex: 0 1 auto;
    height: var(--inline-note-h);
    min-height: 90px;
    display: flex;
    flex-direction: column;
    margin-top: 10px;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: var(--radius-container, 12px);
    /* Papier bleibt bewusst auch im Dark Mode weiß (Blatt-Metapher, Export auf Weiß) */
    background: #ffffff;
    box-shadow: var(--shadow-lg, 0 4px 12px rgba(0, 0, 0, .08));
    overflow: hidden;
}

/* Zieh-Griff an der Oberkante: dezent, wird beim Überfahren sichtbarer */
.inline-note-resize {
    flex: 0 0 auto;
    height: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: ns-resize;
    touch-action: none;
    background: transparent;
}
.inline-note-grip {
    width: 42px;
    height: 4px;
    border-radius: 99px;
    background: #d7dce7;
    pointer-events: none;
}
.inline-note-resize:hover .inline-note-grip { background: #94a3b8; }

/* Scrollbarer Blatt-Bereich mit eigener, dauerhaft sichtbarer Scroll-Leiste
   (native Scrollbars sind auf iOS nur Overlay und mit dem Finger nicht greifbar,
   da die Zeichenfläche Touch-Eingaben zum Zeichnen abfängt) */
.inline-note-scrollwrap {
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
}
.inline-note-scroll {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
}
.inline-note-scroll::-webkit-scrollbar { display: none; }
.inline-note-rail {
    position: absolute;
    top: 6px;
    bottom: 6px;
    right: 4px;
    width: 18px;
    border-radius: 999px;
    background: rgba(100, 116, 139, .14);
    touch-action: none;
    cursor: pointer;
    z-index: 5;
}
.inline-note-thumb {
    position: absolute;
    left: 2px;
    right: 2px;
    top: 0;
    min-height: 36px;
    border-radius: 999px;
    background: #818cf8;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .15);
}
.inline-note-paper {
    position: relative;
    min-height: 100%;
    /* leichte Kästchen wie auf Rechenpapier */
    background-image:
        linear-gradient(#edf1fb 1px, transparent 1px),
        linear-gradient(90deg, #edf1fb 1px, transparent 1px);
    background-size: 40px 40px;
}
.inline-note-paper canvas {
    display: block;
    width: 100%;
    touch-action: none;
}
.inline-note-more {
    display: block;
    margin: 6px auto 10px;
    padding: 5px 14px;
    border: 1.5px dashed #c7d2fe;
    border-radius: 999px;
    background: rgba(255, 255, 255, .8);
    color: #6d7a92;
    font-size: 13px;
    cursor: pointer;
}
.inline-note-more:hover { color: #4f46e5; border-color: #818cf8; }

/* Kompakte, dezente Werkzeugleiste am unteren Rand */
.inline-note-toolbar {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-top: 1px solid var(--color-border, #e5e7eb);
    background: #fbfcfe;
}
.inline-note-toolbar .note-tool {
    border-color: transparent;
    background: transparent;
    color: #64748b;
    padding: 5px 6px;
    border-radius: 8px;
}
.inline-note-toolbar .note-tool svg { width: 17px; height: 17px; }
.inline-note-toolbar .note-tool:hover { background: #eef2ff; color: #4f46e5; }
.inline-note-toolbar .note-tool.selected { background: #4f46e5; color: #fff; border-color: #4f46e5; }
.inline-note-sep { width: 1px; align-self: stretch; min-height: 18px; margin: 4px 3px; background: #e2e8f0; }
.inline-note-spacer { flex: 1; min-width: 8px; }
.inline-note-colors { gap: 5px; }
.inline-note-colors .color-option { width: 20px; height: 20px; }

/* Wieder-Einblenden-Chip, wenn die Fläche eingeklappt ist */
.inline-note-reopen {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 6px 14px;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 999px;
    background: var(--color-surface-raised, #fff);
    color: var(--color-text, #334155);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, .08));
}
.inline-note-reopen img { width: 18px; height: 18px; }
.inline-note-reopen:hover { border-color: #818cf8; color: #4f46e5; }

/* Kleines Badge am Senden-Knopf: Notiz wird mitgeschickt */
#chat-send-btn { position: relative; }
#chat-send-btn.has-note::after {
    content: '✏️';
    position: absolute;
    top: -6px;
    right: -6px;
    font-size: 12px;
    line-height: 1;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 50%;
    padding: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
}

/* Schmale Geräte: etwas niedrigeres Blatt als Standard */
@media (max-width: 899px) {
    .inline-note-sheet { --inline-note-h: 190px; }
}

@media (prefers-color-scheme: dark) {
    .inline-note-sheet { border-color: #374151; }
    .inline-note-toolbar { background: #f1f5f9; border-color: #d3dae6; }
    .inline-note-grip { background: #cbd5e1; }
}

/* Forschungs-Einladung in den Einstellungen.
   Erscheint nur ohne erteilte Einwilligung und nur, wenn die Einstellungen
   selbst geöffnet werden - niemand soll während der Nutzung damit behelligt
   werden. Deutlich abgesetzt, damit sie nicht wie bisher überlesen wird. */
.research-invite {
    border: 2px solid var(--markup-gesucht-border, #a855f7);
    background: color-mix(in srgb, #a855f7 8%, transparent);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 14px;
}

.research-invite[hidden] {
    display: none;
}

.research-invite h4 {
    margin: 0 0 6px;
    font-size: 1.05rem;
    color: #7e22ce;
}

.research-invite p {
    margin: 0 0 8px;
    font-size: 0.92rem;
    line-height: 1.45;
}

.research-invite-detail {
    color: #555;
    font-size: 0.86rem;
}

.research-invite-btn {
    display: block;
    width: 100%;
    padding: 11px 16px;
    border: none;
    border-radius: 10px;
    background: #a855f7;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.research-invite-btn:hover {
    background: #9333ea;
}

/* Eingeklappte Notizfläche.
   Reicht der Platz in der Aufgabenspalte nicht (z. B. wenn im Fehler-Detektiv
   zusätzlich die zu prüfende Lösung steht), schrumpft das Blatt auf eine
   schmale Leiste. Der Aufgabentext behält dadurch immer seinen Platz; die
   Notizfläche bleibt sichtbar und lässt sich mit einem Tipp aufklappen. */
.inline-note-sheet.is-collapsed {
    /* überstimmt die inline gesetzte --inline-note-h bewusst */
    height: 44px !important;
    min-height: 44px;
}

.inline-note-sheet.is-collapsed .inline-note-scrollwrap,
.inline-note-sheet.is-collapsed .inline-note-toolbar {
    display: none;
}

.inline-note-sheet.is-collapsed .inline-note-resize {
    height: 44px;
    cursor: pointer;
}

.inline-note-sheet.is-collapsed .inline-note-grip {
    display: none;
}

.inline-note-resize {
    position: relative;
}

.inline-note-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 4px 8px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #64748b;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
}

.inline-note-toggle:hover {
    background: #eef2ff;
    color: #4f46e5;
}

/* Die Beschriftung braucht es nur im eingeklappten Zustand - ausgeklappt
   erklärt sich das Blatt selbst und der Griff soll ruhig bleiben. */
.inline-note-toggle-label {
    display: none;
}

.inline-note-sheet.is-collapsed .inline-note-toggle {
    left: 10px;
    right: auto;
    color: #4f46e5;
}

.inline-note-sheet.is-collapsed .inline-note-toggle-label {
    display: inline;
}

/* Chevron: zeigt nach unten zum Einklappen, nach oben zum Aufklappen */
.inline-note-toggle-chevron {
    width: 9px;
    height: 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .15s ease;
}

.inline-note-sheet.is-collapsed .inline-note-toggle-chevron {
    transform: rotate(-135deg);
}