:root {
    --color-accent: #e69138;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --color-text: #666666;
    --color-input-text: #1d4ed8;
    --color-input-text-readonly: #666666;
    --color-link: #1d4ed8;
    --color-brand: #023466;
    --color-bg-page: #ffffff;
    --color-bg-panel: #f9fafb;
    --color-bg-accent-soft: #fef3c7;
    --color-border: #e5e7eb;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI",
                  Roboto, Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.5;
    --content-max-width: 1600px;
    --shell-padding-x: 2.5rem;
    --layout-breakpoint-desktop: 1024px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
}

*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, h5, h6,
p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding-left: 1.25rem; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }

html { font-size: var(--font-size-base); }
body {
    font-family: var(--font-stack);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg-page);
}

a { color: var(--color-link); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

input, textarea {
    color: var(--color-input-text);
    background-color: var(--color-bg-page);
    border: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
}
input:focus, textarea:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}
input[readonly], textarea[readonly] {
    color: var(--color-input-text-readonly);
    background-color: var(--color-bg-panel);
    cursor: not-allowed;
}

.htmx-indicator { display: none; }
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator { display: inline-block; }

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

/* ===== Layout-Pattern (Variante C) =====
   Header und Navigationen nutzen `.app-bar` (full-width), der Inhalt
   sitzt im `.app-bar__inner`. Content-Bereiche nutzen `.content-shell`
   mit derselben Begrenzung und demselben Seitenpadding, sodass alles
   auf derselben Fluchtlinie steht. */

.app-bar {
    width: 100%;
}

.app-bar__inner {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: var(--shell-padding-x);
    padding-right: var(--shell-padding-x);
}

.content-shell {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: var(--shell-padding-x);
    padding-right: var(--shell-padding-x);
}

.app-main {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-md) var(--shell-padding-x) var(--space-xl);
}

/* Full-width-Leiste; Layout-Eigenschaften des Inhalts liegen auf
   .app-header__inner (siehe Layout-Pattern Variante C). */
.app-header {
    background: var(--color-bg-page);
    border-bottom: 1px solid var(--color-border);
}
.app-header__inner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-sm);
    padding-bottom: var(--space-sm);
    /* horizontales Padding kommt vom .app-bar__inner-Pattern */
}
.app-header__logo { flex-shrink: 0; color: var(--color-text); }
.app-header__logo:hover, .app-header__logo:focus { text-decoration: none; }
.app-header__logo-img {
    max-height: 40px;
    width: auto;
    display: block;
}
.app-header__search {
    flex: 1;
    max-width: 480px;
    position: relative;
    display: flex;
    align-items: center;
}
.app-header__search input {
    width: 100%;
    padding-left: 2.25rem;
    color: var(--color-input-text-readonly);
    background: var(--color-bg-panel);
}
.app-header__search-icon {
    position: absolute;
    left: 0.75rem;
    color: var(--color-text);
    pointer-events: none;
}
.app-header__actions {
    display: flex;
    gap: var(--space-xs);
    margin-left: auto;
}
.app-header__icon {
    background: transparent;
    border: 1px solid transparent;
    color: var(--color-text);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    line-height: 0;
    position: relative;
}
.app-header__icon:hover:not(:disabled),
.app-header__icon:focus:not(:disabled) {
    border-color: var(--color-border);
    background: var(--color-bg-panel);
}
.app-header__icon:disabled { opacity: 0.5; cursor: not-allowed; }

.app-header__icon--link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}
.app-header__icon--link:hover,
.app-header__icon--link:focus {
    text-decoration: none;
    border-color: var(--color-border);
    background: var(--color-bg-panel);
}

.app-header__badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: #d23b3b;
    color: #fff;
    font-size: 0.7rem;
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
    font-weight: 600;
}

.app-tabs {
    display: flex;
    gap: var(--space-xs);
    padding: 0 var(--shell-padding-x);
    border-bottom: 4px solid var(--color-accent);
    background: var(--color-bg-page);
}
.app-tabs__tab {
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    color: var(--color-text);
    border-top: 3px solid transparent;
}
.app-tabs__tab:hover:not(.app-tabs__tab--disabled),
.app-tabs__tab:focus:not(.app-tabs__tab--disabled) {
    text-decoration: none;
    border-top-color: var(--color-border);
}
.app-tabs__tab--active {
    background: var(--color-bg-accent-soft);
    color: var(--color-text);
    border-top-color: var(--color-accent);
    font-weight: 600;
}
.app-tabs__tab--disabled {
    color: var(--color-input-text-readonly);
    cursor: not-allowed;
    opacity: 0.6;
}

.welcome-bar {
    background: var(--color-bg-panel);
}
.welcome-bar__inner {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-md) var(--shell-padding-x);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.welcome-bar__greeting {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}
.welcome-bar__meta {
    color: var(--color-text);
    font-size: 0.875rem;
}

.overview-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}
.overview-header__back {
    color: var(--color-link);
    text-decoration: none;
    font-size: 0.95rem;
}
.overview-header__back:hover { text-decoration: underline; }
.overview-header__subject {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.topic-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}
@media (min-width: 1024px) {
    .topic-list { grid-template-columns: 1fr 280px; }
}
.topic-list__header {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}
.topic-list__title { font-size: 1.125rem; font-weight: 600; }
.topic-list__actions { display: flex; gap: var(--space-xs); }
.topic-list__icon-btn {
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    line-height: 0;
}
.topic-list__icon-btn:hover:not(:disabled),
.topic-list__icon-btn:focus:not(:disabled) {
    background: var(--color-bg-panel);
    border-color: var(--color-accent);
}
.topic-list__icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.topic-list__table {
    grid-column: 1;
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.topic-list__table thead th {
    background: var(--color-bg-panel);
    color: var(--color-text);
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 600;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
.topic-list__table tbody td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 0.875rem;
    vertical-align: middle;
}
.topic-list__table tbody tr:last-child td { border-bottom: 0; }
.topic-list__table tbody tr:hover { background: var(--color-bg-panel); }
.topic-list__col-checkbox,
.topic-list__col-icon { width: 1px; white-space: nowrap; }
.topic-list__col-sortable { cursor: pointer; user-select: none; }
.topic-list__col-sortable span { margin-right: var(--space-xs); }
.topic-list__sort-icon {
    display: inline-block;
    vertical-align: middle;
    color: var(--color-text);
    opacity: 0.4;
}
.topic-list__col-sortable[data-sort-direction="asc"] .topic-list__sort-icon,
.topic-list__col-sortable[data-sort-direction="desc"] .topic-list__sort-icon {
    color: var(--color-accent);
    opacity: 1;
}
.topic-list__row-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}
/* M8_6 (FL-066): farbiges Mini-Kachel-Badge mit Inline-Fach-Icon.
   Icon-Farbe via currentColor analog zur aktiven Kachel
   (student_home.css: .subject-card color: #595959). */
.topic-list__subject-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    color: #595959;
}
.topic-list__subject-badge svg {
    width: 18px;
    height: 18px;
}
.topic-list__link { color: var(--color-link); }
.topic-list__empty {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    color: var(--color-input-text-readonly);
    font-style: italic;
}
.topic-list__right-panel {
    grid-column: 2;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    min-height: 200px;
}
@media (max-width: 1023px) {
    .topic-list__right-panel { display: none; }
}

.modal[hidden] { display: none !important; }
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
    place-items: center;
}
.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
}
.modal__box {
    position: relative;
    background: var(--color-bg-page);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    min-width: min(420px, 90vw);
    max-width: 600px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.modal__title { font-size: 1.125rem; font-weight: 600; margin-bottom: var(--space-md); }
.modal__prompt { margin-bottom: var(--space-md); }
.modal__form { display: flex; flex-direction: column; gap: var(--space-md); }
.modal__field { display: block; }
.modal__field select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-page);
    color: var(--color-input-text);
}
.modal__buttons {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}
.modal__btn {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 500;
}
.modal__btn--primary { background: var(--color-link); color: #fff; }
.modal__btn--primary:hover:not(:disabled),
.modal__btn--primary:focus:not(:disabled) { filter: brightness(0.95); }
.modal__btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }
.modal__btn--secondary {
    background: var(--color-bg-page);
    color: var(--color-text);
    border-color: var(--color-border);
}
.modal__btn--secondary:hover, .modal__btn--secondary:focus {
    background: var(--color-bg-panel);
}
.modal__btn--danger { background: var(--color-danger); color: #fff; }
.modal__btn--danger:hover, .modal__btn--danger:focus { filter: brightness(0.95); }

.back-link-row {
    padding: var(--space-sm) var(--space-md) 0;
}
.back-link {
    color: var(--color-link);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
}

.topic-bar {
    background: var(--color-bg-panel);
}
.topic-bar__inner {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-md) var(--shell-padding-x);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.topic-bar__current { font-size: 1.125rem; font-weight: 600; }
.topic-bar__meta { color: var(--color-text); font-size: 0.875rem; }
.topic-bar__placeholder {
    color: var(--color-input-text-readonly);
    font-style: italic;
    font-weight: 400;
}

.detail-grid {
    display: grid;
    grid-template-columns: 220px 1fr 280px;
    gap: var(--space-md);
    margin-top: var(--space-md);
    align-items: start;
}
@media (max-width: 1023px) {
    .detail-grid { grid-template-columns: 1fr; }
}

.tutor-panel {
    background: var(--color-bg-panel);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.tutor-panel__avatar {
    text-align: center;
}
.tutor-panel__avatar-img {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    object-fit: contain;
}
.tutor-panel__name {
    text-align: center;
    font-weight: 600;
}

.content-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.content-panel__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}
.content-panel__field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}
.content-panel__label {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.4;
}
.content-panel__output-label {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.4;
    padding: 0 var(--space-xs);
}
.content-panel__heading {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 var(--space-md) 0;
    color: var(--color-text);
}
.content-panel__status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}
.content-panel__status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--color-text);
}
.content-panel__check { color: var(--color-success); }
.content-panel__send-btn {
    background: var(--color-link);
    color: #fff;
    border: 0;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    font-weight: 500;
}
.content-panel__send-btn:disabled {
    background: var(--color-bg-page);
    color: var(--color-input-text-readonly);
    border: 1px solid var(--color-border);
    cursor: not-allowed;
}
.content-panel__send-btn[data-loading="true"] {
    cursor: progress;
    background: var(--color-link);
    color: #fff;
    opacity: 0.9;
}
.content-panel__send-btn[data-loading="true"]::before {
    content: "";
    display: inline-block;
    width: 0.875rem;
    height: 0.875rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    margin-right: 0.5em;
    animation: spin 0.8s linear infinite;
    vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.content-panel__output-area {
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.content-panel__subtabs {
    display: flex;
    background: var(--color-bg-panel);
    border-bottom: 1px solid var(--color-border);
}
.content-panel__subtab {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 0;
    color: var(--color-text);
    font-weight: 500;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
}
.content-panel__subtab--active {
    background: var(--color-bg-accent-soft);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}
.content-panel__print-btn {
    margin-left: auto;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 0;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    color: var(--color-text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
    flex-shrink: 0;
}
.content-panel__print-btn:hover,
.content-panel__print-btn:focus {
    color: var(--color-accent);
    background: var(--color-bg-page);
    text-decoration: none;
    border-bottom-color: var(--color-border);
}
.content-panel__output {
    padding: var(--space-md);
    min-height: 240px;
}
.content-panel__section {
    display: none;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    white-space: pre-wrap;
}
.content-panel__section--active {
    display: block;
    opacity: 1;
}
.content-panel__placeholder {
    color: var(--color-input-text-readonly);
    font-style: italic;
}
.content-panel__feedback {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: var(--color-bg-panel);
    border-top: 1px solid var(--color-border);
}
.content-panel__feedback-btn {
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    line-height: 0;
    opacity: 0.6;
    cursor: not-allowed;
}
.content-panel__feedback-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.progress-sidebar {
    background: var(--color-bg-panel);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}
.progress-sidebar__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}
.progress-sidebar__steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.progress-sidebar__step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
}
.progress-sidebar__step-icon {
    color: var(--color-text);
    width: 18px;
    height: 18px;
}
.progress-sidebar__step--done .progress-sidebar__step-icon {
    color: var(--color-accent);
}
.progress-sidebar__step--done .progress-sidebar__step-status {
    color: var(--color-success);
}
.progress-sidebar__step-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-input-text-readonly);
}
.progress-sidebar__step-counter {
    font-weight: 600;
}

.loading-overlay[hidden] { display: none !important; }
.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.loading-overlay__box {
    background: var(--color-bg-page);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    max-width: min(480px, 90vw);
}
.loading-overlay__video {
    width: 360px;
    max-width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: var(--color-bg-panel);
}
.loading-overlay__text {
    font-size: 1rem;
    color: var(--color-text);
    text-align: center;
    margin: 0;
}

/* === Vertiefen-Sub-Tab-Layout === */

.deepen-layout {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--space-md);
    align-items: start;
    margin-top: var(--space-md);
}
@media (max-width: 1023px) {
    .deepen-layout { grid-template-columns: 1fr; }
}

.tutor-panel-mini {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md);
    background: var(--color-bg-page);
    border-radius: var(--radius-sm);
    gap: var(--space-xs);
}
.tutor-panel-mini__avatar-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}
.tutor-panel-mini__name {
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
    margin: 0;
}

.deepen-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-width: 0;
}

.deepen-subtabs {
    display: flex;
    gap: var(--space-lg);
    border-bottom: 2px solid var(--color-border);
    padding: 0 var(--space-md);
}
.deepen-subtabs__tab {
    padding: var(--space-sm) 0;
    text-decoration: none;
    color: var(--color-text);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-weight: 500;
    font-size: 0.9375rem;
}
.deepen-subtabs__tab:hover,
.deepen-subtabs__tab:focus {
    text-decoration: none;
    color: var(--color-accent);
}
.deepen-subtabs__tab--active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}

.deepen-stub {
    padding: var(--space-xl);
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
}
.deepen-stub__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}
.deepen-stub p {
    color: var(--color-input-text-readonly);
    line-height: 1.6;
}

/* === Frage-Form (Style-Radios + Additions-Checkboxen) === */

.question-form__choices {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}
@media (max-width: 767px) {
    .question-form__choices { grid-template-columns: 1fr; }
}

.question-form__group {
    border: 0;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}
.question-form__group legend {
    padding: 0;
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.question-form__option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--color-text);
    padding: var(--space-xs) 0;
}
.question-form__option input[type="radio"],
.question-form__option input[type="checkbox"] {
    flex-shrink: 0;
    cursor: pointer;
}
.question-form__option input:disabled {
    cursor: not-allowed;
}
.question-form__option input:disabled ~ span {
    color: var(--color-input-text-readonly);
}

/* === Antwort-Bereich der Frage-Detail-Seite === */

.question-answer {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.question-answer__label {
    font-size: 0.875rem;
    color: var(--color-text);
    padding: 0 var(--space-xs);
    margin: 0;
}
.question-answer__box {
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.question-answer__text {
    padding: var(--space-md);
    min-height: 120px;
    white-space: pre-wrap;
    line-height: 1.6;
}
.question-answer__feedback {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: var(--color-bg-panel);
    border-top: 1px solid var(--color-border);
}

/* === Frage anpassen (Klonen-Button) === */

.content-panel__actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

/* === Frage-Antwort-Header mit Drucker-Icon === */

.question-answer__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
}

.question-answer__print-btn {
    background: none;
    border: 0;
    padding: var(--space-xs);
    color: var(--color-text);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease, color 0.15s ease;
}
.question-answer__print-btn:hover,
.question-answer__print-btn:focus {
    background-color: var(--color-bg-page);
    color: var(--color-accent);
    text-decoration: none;
}
.question-answer__print-btn i {
    width: 20px;
    height: 20px;
}

/* === Upload-Workflow: versteckter File-Picker-Form === */

.upload-form-hidden {
    display: none;
}

/* === Upload-Workflow: Wizard-Card === */

.upload-main {
    display: flex;
    justify-content: center;
    padding: var(--space-lg) var(--space-md);
}

.upload-card-wrapper {
    width: 100%;
    max-width: 720px;
}

.upload-card {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.upload-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 var(--space-lg) 0;
    color: var(--color-text);
}

.upload-card__field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.upload-card__label {
    font-size: 0.875rem;
    color: var(--color-text);
    font-weight: 500;
}

.upload-card__input {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-page);
    color: var(--color-text);
    font-size: 0.9375rem;
    width: 100%;
}
.upload-card__input--readonly {
    background: var(--color-bg-panel);
    color: var(--color-input-text-readonly);
    cursor: not-allowed;
}
.upload-card__input:focus {
    outline: 2px solid var(--color-link);
    outline-offset: -1px;
}

.upload-card__status-row {
    margin: var(--space-md) 0;
    padding: var(--space-sm) 0;
}

.upload-card__status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.9375rem;
    color: var(--color-input-text-readonly);
}

.upload-card__status-icon {
    width: 18px;
    height: 18px;
    color: var(--color-input-text-readonly);
}
.upload-card__status-icon--ok {
    color: #2e7d32;
}

.upload-card__actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.upload-card__error-text {
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.upload-card--error .upload-card__title {
    color: var(--color-text);
}

/* === Upload-Detail: Drei-Spalten-Grid (Override für deepen-layout) === */

.deepen-layout--with-sidebar {
    display: grid;
    grid-template-columns: auto 1fr 260px;
    gap: var(--space-md);
    align-items: start;
}

@media (max-width: 1100px) {
    .deepen-layout--with-sidebar {
        grid-template-columns: auto 1fr;
    }
    .deepen-layout--with-sidebar > .progress-sidebar {
        grid-column: 1 / -1;
    }
}

/* === Upload-Detail: Header-Bereich === */

.upload-detail-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-width: 0;
}

.upload-detail__back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-link);
    text-decoration: none;
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
}
.upload-detail__back-link:hover {
    text-decoration: underline;
}
.upload-detail__back-link i {
    width: 16px;
    height: 16px;
}

.upload-detail__header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.upload-detail__header-text {
    flex: 1;
    min-width: 0;
}

.upload-detail__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--color-text);
    word-break: break-word;
}

.upload-detail__meta {
    font-size: 0.875rem;
    color: var(--color-input-text-readonly);
    margin: var(--space-xs) 0 0 0;
}

.upload-detail__image-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    white-space: nowrap;
    flex-shrink: 0;
}
.upload-detail__image-btn i {
    width: 16px;
    height: 16px;
}

/* === Upload-Detail: Sub-Tabs === */

.upload-subtabs {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-md);
    overflow-x: auto;
}

.upload-subtabs__tab {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9375rem;
    color: var(--color-input-text-readonly);
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.15s, border-color 0.15s;
}
.upload-subtabs__tab:hover:not(:disabled) {
    color: var(--color-text);
}
.upload-subtabs__tab--active {
    color: var(--color-link);
    border-bottom-color: var(--color-link);
    font-weight: 500;
}
.upload-subtabs__tab:disabled {
    color: var(--color-border);
    cursor: not-allowed;
}

/* === Upload-Detail: Tab-Content === */

.upload-tab-content {
    flex: 1;
    min-height: 400px;
}

.upload-tab {
    display: none;
}
.upload-tab--active {
    display: block;
}

.upload-tab__waiting {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
}
.upload-tab__waiting-text {
    color: var(--color-input-text-readonly);
    font-size: 1rem;
    line-height: 1.6;
}

.upload-tab__placeholder {
    color: var(--color-input-text-readonly);
    font-style: italic;
    padding: var(--space-lg);
    text-align: center;
}

.upload-tab__hint {
    color: var(--color-input-text-readonly);
    font-size: 0.875rem;
    margin-top: var(--space-md);
    font-style: italic;
    padding: 0 var(--space-sm);
}

/* === Upload-Detail: gerendertes Markdown plus KaTeX === */

.upload-tab__transcript-rendered {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-page);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 300px;
    max-height: 600px;
    overflow-y: auto;
}

.upload-tab__transcript-rendered--locked {
    background: var(--color-bg-panel);
}

.upload-tab__transcript-rendered p {
    margin: 0 0 var(--space-sm) 0;
}
.upload-tab__transcript-rendered p:last-child {
    margin-bottom: 0;
}

.upload-tab__transcript-rendered ul,
.upload-tab__transcript-rendered ol {
    margin: 0 0 var(--space-sm) var(--space-lg);
}

.upload-tab__transcript-rendered h1,
.upload-tab__transcript-rendered h2,
.upload-tab__transcript-rendered h3,
.upload-tab__transcript-rendered h4 {
    margin: var(--space-md) 0 var(--space-xs) 0;
    color: var(--color-text);
    font-weight: 600;
}
.upload-tab__transcript-rendered h1 { font-size: 1.25rem; }
.upload-tab__transcript-rendered h2 { font-size: 1.125rem; }
.upload-tab__transcript-rendered h3 { font-size: 1rem; }

.upload-tab__transcript-rendered code {
    background: var(--color-bg-panel);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-family: ui-monospace, "SF Mono", Monaco, Consolas, monospace;
    font-size: 0.875rem;
}

.upload-tab__transcript-rendered pre {
    background: var(--color-bg-panel);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0 0 var(--space-sm) 0;
}

.upload-tab__transcript-rendered blockquote {
    border-left: 3px solid var(--color-border);
    padding-left: var(--space-md);
    margin: var(--space-sm) 0;
    color: var(--color-input-text-readonly);
}

/* === Originalbild-Modal === */

.modal__panel--image {
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.modal__body--image {
    padding: var(--space-sm);
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-image-modal__img {
    max-width: 100%;
    max-height: 75vh;
    width: auto;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
}

.upload-image-modal__error {
    padding: var(--space-lg);
    color: var(--color-input-text-readonly);
    font-style: italic;
    text-align: center;
}

/* === Upload-Detail: Freigabe-Aktion === */

.upload-detail__release-action {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
}

.upload-detail__release-btn {
    min-width: 180px;
}

/* === Upload-Detail: Status-Hinweise === */

.upload-detail__analyzed-info {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    line-height: 1.5;
}

.upload-detail__analyzed-info p {
    margin: 0;
}

.upload-detail__released-warning {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-input-text-readonly);
    line-height: 1.5;
}

.upload-detail__released-warning p {
    margin: 0;
}

/* === Upload-Detail: Analyse-Sektionen (Tabs 2-5) === */

.upload-tab__analysis-rendered {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-page);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 300px;
    max-height: 600px;
    overflow-y: auto;
}

.upload-tab__analysis-rendered p {
    margin: 0 0 var(--space-sm) 0;
}
.upload-tab__analysis-rendered p:last-child {
    margin-bottom: 0;
}

.upload-tab__analysis-rendered ul,
.upload-tab__analysis-rendered ol {
    margin: 0 0 var(--space-sm) var(--space-lg);
}

.upload-tab__analysis-rendered li {
    margin-bottom: var(--space-xs);
}

.upload-tab__analysis-rendered h1,
.upload-tab__analysis-rendered h2,
.upload-tab__analysis-rendered h3,
.upload-tab__analysis-rendered h4 {
    margin: var(--space-md) 0 var(--space-xs) 0;
    color: var(--color-text);
    font-weight: 600;
}
.upload-tab__analysis-rendered h1 { font-size: 1.25rem; }
.upload-tab__analysis-rendered h2 { font-size: 1.125rem; }
.upload-tab__analysis-rendered h3 { font-size: 1rem; }

.upload-tab__analysis-rendered code {
    background: var(--color-bg-panel);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-family: ui-monospace, "SF Mono", Monaco, Consolas, monospace;
    font-size: 0.875rem;
}

.upload-tab__analysis-rendered pre {
    background: var(--color-bg-panel);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0 0 var(--space-sm) 0;
}

.upload-tab__analysis-rendered blockquote {
    border-left: 3px solid var(--color-border);
    padding-left: var(--space-md);
    margin: var(--space-sm) 0;
    color: var(--color-input-text-readonly);
}

/* === Upload-Detail: Header-Aktionen (Bild-Modal + Drucken) === */

.upload-detail__header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.upload-detail__print-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-panel);
    color: var(--color-link);
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}

.upload-detail__print-btn:hover {
    background: var(--color-bg-page);
    border-color: var(--color-link);
}

.upload-detail__print-btn i {
    width: 18px;
    height: 18px;
}

/* === Selection-Tooltip: "Frage daraus stellen" === */

.selection-tooltip {
    position: absolute;
    z-index: 100;
    background: var(--color-link);
    color: #fff;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    padding: 0;
    font-size: 0.875rem;
    white-space: nowrap;
}

.selection-tooltip[hidden] {
    display: none;
}

.selection-tooltip form {
    margin: 0;
}

.selection-tooltip__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: transparent;
    color: #fff;
    border: none;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    border-radius: var(--radius-sm);
}

.selection-tooltip__btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.selection-tooltip__btn i {
    width: 16px;
    height: 16px;
}

[data-markable-content] {
    cursor: text;
}

[data-markable-content] ::selection {
    background: rgba(58, 110, 165, 0.25);
}

/* === Merken-Panel === */

.memorize-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Checkbox-Box "Was benötigst Du für dieses Thema?" */
.memorize-panel__needs {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.memorize-panel__needs-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 var(--space-md) 0;
    color: var(--color-text);
}

.memorize-panel__needs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.memorize-panel__needs-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.memorize-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.4;
}

.memorize-checkbox input[type="checkbox"] {
    margin-top: 0.2rem;
    cursor: pointer;
    accent-color: var(--color-link);
}

.memorize-checkbox input[type="checkbox"]:disabled {
    cursor: not-allowed;
}

.memorize-checkbox input[type="checkbox"]:disabled + span {
    color: var(--color-input-text-readonly);
}

.memorize-panel__needs-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

/* "Lernkarte anzeigen" — Sekundaer-Aktion neben Erstellen (m20.2) */
.memorize-panel__view-card-btn {
    background: #fff;
    color: var(--color-link);
    border: 1px solid var(--color-link);
    border-radius: var(--radius-sm);
    padding: 0.625rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s;
}
.memorize-panel__view-card-btn:hover,
.memorize-panel__view-card-btn:focus {
    background: var(--color-bg-panel);
    text-decoration: none;
}

.memorize-panel__create-btn {
    background: var(--color-link);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.625rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}

.memorize-panel__create-btn:hover:not(:disabled) {
    background: var(--color-link-hover, var(--color-link));
    opacity: 0.9;
}

.memorize-panel__create-btn:disabled {
    background: var(--color-input-text-readonly);
    cursor: not-allowed;
    opacity: 0.7;
}

/* MP3-Anzeige — M10_8/FL-082: flex-wrap ergaenzt, damit der
   volle-Breite-Audio-Player unter dem Label umbricht. Restliche
   Properties bleiben (Background/Border/Padding aus M3). */
.memorize-panel__audio {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-panel);
    font-size: 0.9rem;
    color: var(--color-text);
}

.memorize-panel__audio[hidden] {
    display: none;
}

.memorize-panel__audio--failed {
    border-color: #e2b8b8;
    background: #fdf4f4;
    color: #8a3a3a;
}

.memorize-panel__audio-label {
    color: var(--color-text);
}

.memorize-panel__audio-link {
    color: var(--color-link);
    text-decoration: underline;
    font-weight: 500;
}

.memorize-panel__audio-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    color: var(--color-text);
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font: inherit;
}

.memorize-panel__audio-download:hover {
    opacity: 0.7;
}

.memorize-panel__audio-download:disabled {
    cursor: wait;
    opacity: 0.5;
}

.memorize-panel__audio-download i {
    width: 20px;
    height: 20px;
}

/* Lernunterlagen-Bereich */
.memorize-panel__materials {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.memorize-panel__materials-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.memorize-panel__materials-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    color: var(--color-text);
}

.memorize-panel__materials-content {
    min-height: 300px;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-page);
    line-height: 1.6;
    color: var(--color-text);
}

.memorize-panel__materials-content p {
    margin: 0 0 var(--space-sm) 0;
}

.memorize-panel__materials-content p:last-child {
    margin-bottom: 0;
}

.memorize-panel__materials-content ul,
.memorize-panel__materials-content ol {
    margin: 0 0 var(--space-sm) var(--space-lg);
}

.memorize-panel__materials-content h1,
.memorize-panel__materials-content h2,
.memorize-panel__materials-content h3,
.memorize-panel__materials-content h4 {
    margin: var(--space-md) 0 var(--space-xs) 0;
    color: var(--color-text);
    font-weight: 600;
}

.memorize-panel__materials-content h1 { font-size: 1.25rem; }
.memorize-panel__materials-content h2 { font-size: 1.125rem; }
.memorize-panel__materials-content h3 { font-size: 1rem; }

.memorize-panel__materials-content code {
    background: var(--color-bg-panel);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-family: ui-monospace, "SF Mono", Monaco, Consolas, monospace;
    font-size: 0.875rem;
}

.memorize-panel__materials-content pre {
    background: var(--color-bg-panel);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0 0 var(--space-sm) 0;
}

.memorize-panel__materials-placeholder {
    color: var(--color-input-text-readonly);
    font-style: italic;
}

/* === Merken-Panel: Drucker-Button === */

.memorize-panel__print-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-panel);
    color: var(--color-link);
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

.memorize-panel__print-btn:hover {
    background: var(--color-bg-page);
    border-color: var(--color-link);
}

.memorize-panel__print-btn i {
    width: 18px;
    height: 18px;
}

.memorize-panel__print-btn[hidden] {
    display: none;
}

/* ===== Layout-Pattern (Variante C) — schmale Schirme =====
   Auf kleinen Schirmen reduzieren wir das Seitenpadding, damit der
   Inhalt nicht zu schmal wird. */
@media (max-width: 767px) {
    :root {
        --shell-padding-x: 1rem;
    }
}

/* === M9_1 (FL-068) — Sprachfach-Merken (Sub-Nav + Panel-Geruest) === */
.memorize-lang-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-width: 0;
}
.memorize-subtabs {
    display: flex;
    gap: var(--space-lg);
    border-bottom: 2px solid var(--color-border);
    padding: 0 var(--space-md);
}
.memorize-subtabs__tab {
    padding: var(--space-sm) 0;
    text-decoration: none;
    color: var(--color-text);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-weight: 500;
    font-size: 0.9375rem;
}
a.memorize-subtabs__tab:hover,
a.memorize-subtabs__tab:focus {
    text-decoration: none;
    color: var(--color-accent);
}
.memorize-subtabs__tab--active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}
.memorize-subtabs__tab--placeholder {
    cursor: default;
    opacity: 0.45;
}
.languages-memorize-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-width: 0;
}

/* === M9_2 (FL-069) — Lueckentext-Steuerblock === */
.languages-memorize-panel__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}
.languages-memorize-panel__group:last-child {
    margin-bottom: 0;
}
.languages-memorize-panel__group-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs, 0.25rem) 0;
    color: var(--color-text);
}
.languages-memorize-panel__select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--color-text);
    font-size: 0.95rem;
}
.languages-memorize-panel__output-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.languages-memorize-panel__output-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    color: var(--color-text);
}
.languages-memorize-panel__output {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    min-height: 8rem;
}
.languages-memorize-panel__output-placeholder {
    margin: 0;
    color: var(--color-text);
    opacity: 0.7;
}

/* === M9_3 (FL-070) — Live-Fragenzaehler === */
.languages-memorize-panel__count-row {
    margin-top: var(--space-md);
}
.languages-memorize-panel__count {
    font-size: 0.9rem;
    color: var(--color-text);
}
.languages-memorize-panel__count--warn {
    color: var(--color-danger, #b3261e);
    font-weight: 600;
}

/* === M9_4g (FL-073) — Lueckentext-Ausgabe === */
.languages-memorize-panel__exercise {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.languages-memorize-panel__sentence {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.languages-memorize-panel__sentence-text {
    margin: 0;
    color: var(--color-text);
    line-height: 1.6;
}
.languages-memorize-panel__answer {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--color-text);
    resize: vertical;
}
.languages-memorize-panel__solution {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-md);
}
.languages-memorize-panel__solution-text {
    margin: 0;
    font-weight: 600;
    color: var(--color-text);
}
.languages-memorize-panel__explanation {
    margin: 0.25rem 0 0 0;
    font-size: 0.9rem;
    color: var(--color-text);
    opacity: 0.75;
}
.languages-memorize-panel__resolve-row {
    margin-top: var(--space-md);
}
.languages-memorize-panel__error {
    margin: 0;
    color: var(--color-danger, #b3261e);
    font-weight: 600;
}

/* === M10_1 (FL-075) — Lese-/Hoerverstaendnis (Steuerblock-Geruest) === */
.languages-comprehension-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    min-width: 0;
}
.languages-comprehension-panel__radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.4;
}
.languages-comprehension-panel__radio input[type="radio"] {
    cursor: pointer;
    accent-color: var(--color-link);
}
.languages-comprehension-panel__radio input[type="radio"]:disabled {
    cursor: not-allowed;
}
.languages-comprehension-panel__radio input[type="radio"]:disabled + span {
    opacity: 0.45;
}

/* === M10_5 (FL-077) — Leseverstaendnis-Ausgabe === */
.languages-comprehension-panel__exercise {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.languages-comprehension-panel__text {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    line-height: 1.6;
    color: var(--color-text);
}
.languages-comprehension-panel__text p {
    margin: 0 0 var(--space-md) 0;
}
.languages-comprehension-panel__text p:last-child {
    margin-bottom: 0;
}
.languages-comprehension-panel__question {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.languages-comprehension-panel__question-text {
    margin: 0;
    color: var(--color-text);
    line-height: 1.6;
}

/* === Listening (M10 Teil 2 / FL-078, FL-081) — Audio-Player === */
.languages-comprehension-panel__audio {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-md);
}
.languages-comprehension-panel__audio audio {
    width: 100%;
    display: block;
}

/* === M10_7 (FL-081) — Zusaetzliche Informationen === */
.languages-comprehension-panel__additional {
    background: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}
.languages-comprehension-panel__additional-title {
    margin: 0 0 var(--space-sm) 0;
    color: var(--color-text);
}
.languages-comprehension-panel__additional-text {
    margin: 0;
    white-space: pre-wrap;
    line-height: 1.6;
    color: var(--color-text);
}

/* === M10_8 (FL-082) — Mathe-Merken Audio-Player === */
.memorize-panel__audio-player {
    width: 100%;
    display: block;
}

/* ===== m11_2 — Auth-Layout (Registrierung/Login/Verifizierung/Reset) =====
   Zentrierte Karte ohne App-Chrome. Sie-Ansprache (Erwachsene). */
.auth-body {
    background-color: var(--color-bg-panel);
}
.auth-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
    gap: var(--space-md);
}
.auth-card {
    width: 100%;
    max-width: 480px;
    background-color: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}
.auth-card__logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-lg);
}
.auth-card__logo img {
    max-height: 56px;
    width: auto;
}
.auth-footer {
    font-size: 0.8125rem;
    color: var(--color-text);
}

.auth-panel__title {
    color: var(--color-brand);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}
.auth-panel__intro {
    margin-bottom: var(--space-lg);
}

.auth-field {
    margin-bottom: var(--space-md);
}
.auth-field__label {
    display: block;
    font-weight: 600;
    color: var(--color-brand);
    margin-bottom: var(--space-xs);
}
.auth-input {
    width: 100%;
}
.auth-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.auth-input-wrap .auth-input {
    padding-right: 2.75rem;
}
.auth-input__toggle {
    position: absolute;
    right: var(--space-sm);
    background: none;
    border: none;
    padding: var(--space-xs);
    line-height: 1;
    font-size: 1.1rem;
}

.auth-rules {
    list-style: none;
    padding-left: 0;
    margin: 0 0 var(--space-lg);
    font-size: 0.875rem;
}
.auth-rules li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}
.auth-rules li::before {
    content: "○";
    position: absolute;
    left: 0;
    color: var(--color-border);
}
.auth-rules li.is-met {
    color: var(--color-success);
}
.auth-rules li.is-met::before {
    content: "✓";
    color: var(--color-success);
}

.auth-info-link {
    background: none;
    border: none;
    padding: 0;
    color: var(--color-link);
    text-decoration: underline;
    font-size: inherit;
}
.auth-tooltip {
    display: block;
    margin-top: var(--space-xs);
    padding: var(--space-sm);
    background-color: var(--color-bg-accent-soft);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: #1d4ed8;
}
.auth-tooltip[hidden] {
    display: none;
}

.auth-legal {
    font-size: 0.8125rem;
    margin-bottom: var(--space-md);
}

.auth-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
}
.auth-check input[type="checkbox"] {
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.auth-btn {
    width: 100%;
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-link);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
}
.auth-btn:hover:not(:disabled) {
    background-color: var(--color-brand);
}
.auth-btn:disabled {
    background-color: var(--color-border);
    color: var(--color-text);
    cursor: not-allowed;
}

.auth-switch {
    margin-top: var(--space-md);
    font-size: 0.9375rem;
    text-align: center;
}

.auth-code {
    display: flex;
    gap: var(--space-sm);
    justify-content: space-between;
    margin-bottom: var(--space-md);
}
.auth-code__box {
    width: 100%;
    aspect-ratio: 1 / 1;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-input-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}
.auth-code__box:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

.auth-field__error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}
.auth-note {
    background-color: var(--color-bg-accent-soft);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.9375rem;
    color: var(--color-brand);
}

/* KI-Transparenzhinweis (EU AI Act Art. 50), gedimmt unter jeder
   KI-Ausgabe. Keine --color-text-muted-Variable vorhanden, daher
   konkreter gedimmter Grauton. */
.ai-disclaimer {
    font-size: 0.8rem;
    color: #6b7280;
    margin: 0 0 var(--space-sm) 0;
    line-height: 1.4;
    width: 100%;
}

/* ---------- AI Confirm Modal ---------- */
.modal-ai-confirm {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}
.modal-ai-confirm[hidden] { display: none; }

.modal-ai-confirm__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.modal-ai-confirm__dialog {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    max-width: 820px;
    width: 100%;
    padding: var(--space-lg);
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.modal-ai-confirm__image {
    width: 220px;
    height: auto;
    flex-shrink: 0;
    border-radius: var(--radius-md, 8px);
}

.modal-ai-confirm__body {
    flex: 1;
    min-width: 0;
}

.modal-ai-confirm__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-danger);  /* --color-warn existiert nicht; vorhandene rote Variable */
    margin: 0 0 var(--space-md) 0;
}

.modal-ai-confirm__body p {
    margin: 0 0 var(--space-sm) 0;
    line-height: 1.5;
}

.modal-ai-confirm__warn {
    color: var(--color-danger);
    text-decoration: underline;
    font-style: normal;
}

.modal-ai-confirm__actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

/* Mobile: Bild über den Text statt daneben */
@media (max-width: 700px) {
    .modal-ai-confirm__dialog {
        flex-direction: column;
        align-items: stretch;
    }
    .modal-ai-confirm__image {
        width: 50%;
        margin: 0 auto;
    }
}

/* Generische Buttons (erstmals fuer das AI-Confirm-Modal, m15_1) */
.btn {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 0.9375rem;
    cursor: pointer;
    line-height: 1.2;
}
.btn--primary { background: var(--color-link); color: #fff; }
.btn--primary:hover, .btn--primary:focus { filter: brightness(0.95); }
.btn--secondary {
    background: var(--color-bg-page);
    border-color: var(--color-border);
    color: var(--color-text);
}
.btn--secondary:hover, .btn--secondary:focus { background: var(--color-bg-panel); }

/* ---------- Selection Analysis Modal (m17) ---------- */
.modal-selection {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}
.modal-selection[hidden] { display: none; }

.modal-selection__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.modal-selection__dialog {
    position: relative;
    background: #fff;
    border: 1px solid var(--color-border, #d0d0d0);
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    max-width: 760px;
    width: 100%;
    padding: var(--space-lg);
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.modal-selection__image {
    width: 220px;
    height: auto;
    flex-shrink: 0;
    border-radius: var(--radius-md, 8px);
}

.modal-selection__body {
    flex: 1;
    min-width: 0;
}

.modal-selection__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-danger);  /* --color-warn existiert nicht; vorhandene rote Variable */
    margin: 0 0 var(--space-md) 0;
}

.modal-selection__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin: 0 0 var(--space-md) 0;
}

.modal-selection__option {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    cursor: pointer;
    padding: var(--space-xs) 0;
    font-size: 1rem;
}

.modal-selection__buttons {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

@media (max-width: 700px) {
    .modal-selection__dialog {
        flex-direction: column;
        align-items: stretch;
    }
    .modal-selection__image {
        width: 50%;
        margin: 0 auto;
    }
}

/* ---------- Tooltip (wiederverwendbar) ---------- */
.tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    cursor: help;
    outline: none;
}

.tooltip__trigger-text {
    text-decoration: underline dotted;
    text-underline-offset: 2px;
    color: var(--color-text, #333);
}

.tooltip__icon {
    color: var(--color-text-muted, #777);
    display: inline-flex;
    align-items: center;
}

.tooltip__bubble {
    position: absolute;
    margin-top: 0.5em;
    width: max-content;
    max-width: min(360px, 90vw);
    padding: 0.75em 1em;
    background: #fff;
    border: 1px solid var(--color-border, #d0d0d0);
    border-radius: var(--radius-md, 8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-size: 0.85rem;
    line-height: 1.5;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    pointer-events: none;
    z-index: 1200;
    text-align: left;
}

.tooltip:hover .tooltip__bubble,
.tooltip:focus-within .tooltip__bubble,
.tooltip:focus .tooltip__bubble {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.tooltip__bubble p {
    margin: 0 0 0.5em 0;
}

.tooltip__bubble p:last-child {
    margin-bottom: 0;
}

.tooltip__bubble ul {
    margin: 0 0 0.5em 0;
    padding-left: 1.2em;
}

.tooltip__bubble li {
    margin-bottom: 0.15em;
}

/* Positions-Varianten */
.tooltip--bottom-start .tooltip__bubble {
    top: 100%;
    left: 0;
}

.tooltip--bottom-end .tooltip__bubble {
    top: 100%;
    right: 0;
    left: auto;
}

.tooltip--top-start .tooltip__bubble {
    bottom: 100%;
    left: 0;
    margin-top: 0;
    margin-bottom: 0.5em;
}

/* ---------- Upload-Disclaimer ---------- */
.upload-disclaimer {
    background: var(--color-bg-light, #f7f7f7);
    border-left: 3px solid var(--color-warn, var(--color-danger, #c00));
    padding: var(--space-sm, 0.6em) var(--space-md, 1em);
    margin: 0 0 var(--space-md, 1em) 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.upload-disclaimer p {
    margin: 0 0 0.5em 0;
}

.upload-disclaimer p:last-of-type {
    margin-bottom: 0.5em;
}

.upload-disclaimer__tooltip-line {
    margin-top: 0.75em;
}

/* ---------- Notizen-Panel (m21.2) ---------- */
.notes-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--color-bg-page);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}
.notes-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}
.notes-panel__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}
.notes-panel__actions {
    display: flex;
    gap: 0.25rem;
}
.notes-panel__action {
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: #6b7280;
    border-radius: 4px;
}
.notes-panel__action:hover {
    background: var(--color-bg-panel);
    color: var(--color-text);
}
.notes-panel__list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.notes-panel__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
}
.notes-panel__checkbox {
    flex-shrink: 0;
    cursor: pointer;
}
.notes-panel__open-btn {
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    color: var(--color-link);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.notes-panel__open-btn:hover {
    text-decoration: underline;
}
.notes-panel__empty {
    margin: 0;
    color: #6b7280;
    font-size: 0.9rem;
    font-style: italic;
}

/* ---------- Post-it-Notiz-Modal (m21.2) ---------- */
@font-face {
    font-family: "Patrick Hand";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/patrick-hand-v25-latin-regular.woff2") format("woff2");
}

.note-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
}
.note-modal[aria-hidden="false"] {
    display: flex;
}
.note-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
}

.note-modal__card {
    position: relative;
    width: min(90%, 480px);
    max-height: 90vh;
    overflow-y: auto;
    background: #fcf3cf;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    font-family: "Patrick Hand", "Arial", sans-serif;
    color: #351c75;
    overflow-x: hidden;
}

.note-modal__header {
    background: #f4d03f;
    padding: 1rem 1.25rem 0.75rem 1.25rem;
}
.note-modal__header-input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 1.4rem;
    font-weight: 700;
    color: #351c75;
}
.note-modal__header-input::placeholder {
    color: #351c7580;
}

.note-modal__body {
    padding: 0.75rem 1.25rem 1rem 1.25rem;
}
.note-modal__body-textarea {
    width: 100%;
    min-height: 200px;
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 1.05rem;
    color: #351c75;
    resize: vertical;
    line-height: 1.5;
}
.note-modal__body-textarea::placeholder {
    color: #351c7580;
}

.note-modal__footer {
    padding: 0 1.25rem 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 0.5rem;
}

/* Meta-Block links unten (m22.1): Erstellt am / Zuletzt geändert am.
   Sans-Serif, bewusst von der Patrick-Hand-Notiz abgesetzt. */
.note-modal__meta {
    font-family: "Arial", sans-serif;
    font-size: 0.6rem;
    color: rgba(53, 28, 117, 0.65);
    line-height: 1.3;
}

.note-modal__meta-line {
    margin: 0;
}

/* Buttons als Gruppe rechts halten */
.note-modal__footer-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.note-modal__btn {
    font-family: inherit;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
}
.note-modal__btn--cancel {
    background: transparent;
    color: #351c75;
}
.note-modal__btn--cancel:hover {
    background: rgba(53, 28, 117, 0.1);
}
.note-modal__btn--save {
    background: #351c75;
    color: #fcf3cf;
}
.note-modal__btn--save:hover {
    background: #4d2da0;
}

.note-modal__error {
    margin: 0 1.25rem 1rem 1.25rem;
    padding: 0.5rem;
    background: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
    border-radius: 4px;
    font-family: "Arial", sans-serif;
    font-size: 0.85rem;
}