/* ===== CSS Variables ===== */
:root {
    /*--primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary-color: #0ea5e9;
    --primary-color: #15803d;
    --primary-dark: #166534;
    --primary-light: #4ade80;
    --secondary-color: #059669;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --sidebar-bg: #171616;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border-color: #262729;*/

    --primary-color: #15803d;
    --primary-dark: #166534;
    --primary-light: #4ade80;
    --secondary-color: #059669;

    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    --bg-color: #f8fafc;
    --sidebar-bg: #111827;

    --card-bg: #ffffff;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #94a3b8;

    --border-color: #a7f3d0;
    --border-hover: #6ee7b7;

    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;

    --ki-accent: #7c3aed;
    --ki-accent-dark: #6d28d9;

    --flame-color: #f97316;
    --flame-glow: rgba(249, 115, 22, 0.55);
}

/* ===== Shop-Akzentfarben (kosmetische Freischaltungen) ===== */
[data-accent="mint"]   { --primary-color: #0d9488; --primary-dark: #0f766e; --primary-light: #2dd4bf; --secondary-color: #14b8a6; }
[data-accent="ocean"]  { --primary-color: #0284c7; --primary-dark: #075985; --primary-light: #38bdf8; --secondary-color: #0ea5e9; }
[data-accent="indigo"] { --primary-color: #4f46e5; --primary-dark: #3730a3; --primary-light: #818cf8; --secondary-color: #6366f1; }
[data-accent="berry"]  { --primary-color: #7c3aed; --primary-dark: #5b21b6; --primary-light: #a78bfa; --secondary-color: #8b5cf6; }
[data-accent="sunset"] { --primary-color: #ea580c; --primary-dark: #9a3412; --primary-light: #fb923c; --secondary-color: #f97316; }
[data-accent="cherry"] { --primary-color: #dc2626; --primary-dark: #991b1b; --primary-light: #f87171; --secondary-color: #e11d48; }
[data-accent="slate"]  { --primary-color: #475569; --primary-dark: #334155; --primary-light: #94a3b8; --secondary-color: #64748b; }
[data-accent="gold"]   { --primary-color: #ca8a04; --primary-dark: #854d0e; --primary-light: #facc15; --secondary-color: #eab308; }
[data-accent="rose"]   { --primary-color: #db2777; --primary-dark: #9d174d; --primary-light: #f472b6; --secondary-color: #ec4899; }

[data-theme="dark"][data-accent="mint"]   { --primary-color: #2dd4bf; --primary-dark: #0d9488; --primary-light: #5eead4; --secondary-color: #2dd4bf; }
[data-theme="dark"][data-accent="ocean"]  { --primary-color: #38bdf8; --primary-dark: #0284c7; --primary-light: #7dd3fc; --secondary-color: #22d3ee; }
[data-theme="dark"][data-accent="indigo"] { --primary-color: #818cf8; --primary-dark: #4f46e5; --primary-light: #a5b4fc; --secondary-color: #818cf8; }
[data-theme="dark"][data-accent="berry"]  { --primary-color: #a78bfa; --primary-dark: #7c3aed; --primary-light: #c4b5fd; --secondary-color: #a78bfa; }
[data-theme="dark"][data-accent="sunset"] { --primary-color: #fb923c; --primary-dark: #ea580c; --primary-light: #fdba74; --secondary-color: #fb923c; }
[data-theme="dark"][data-accent="cherry"] { --primary-color: #f87171; --primary-dark: #dc2626; --primary-light: #fca5a5; --secondary-color: #fb7185; }
[data-theme="dark"][data-accent="slate"]  { --primary-color: #94a3b8; --primary-dark: #64748b; --primary-light: #cbd5e1; --secondary-color: #94a3b8; }
[data-theme="dark"][data-accent="gold"]   { --primary-color: #facc15; --primary-dark: #ca8a04; --primary-light: #fde047; --secondary-color: #eab308; }
[data-theme="dark"][data-accent="rose"]   { --primary-color: #f472b6; --primary-dark: #db2777; --primary-light: #f9a8d4; --secondary-color: #f472b6; }

/* ===== Dark Mode ===== */
[data-theme="dark"] {
    --primary-color: #22c55e;
    --primary-dark: #15803d;
    --primary-light: #4ade80;
    --secondary-color: #10b981;

    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #f87171;

    --bg-color: #0f172a;
    --sidebar-bg: #0b1220;

    --card-bg: #1e293b;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-light: #64748b;

    --border-color: #334155;
    --border-hover: #475569;

    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);

    --ki-accent: #a78bfa;
    --ki-accent-dark: #8b5cf6;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    /* Verhindert, dass Samsung Internet / Chrome auf Android Text und
       Layout beim ersten Laden automatisch "aufblasen" (Text-Autosizing),
       was besonders auf dem Dashboard-Grid zu einem überdimensionierten
       Start-Rendering führt. */
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ===== App Container ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    padding: 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo_sidebar {
    height: 50px;
    width: 50px;
    border-radius: 50%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 1.4rem;
    font-weight: 700;
    padding: 10px;
    margin-bottom: 30px;
}

.logo i {
    font-size: 1.8rem;
    color: var(--primary-light);
}

.logo span {
    font-family: var(--title-font, inherit);
}

.nav-links {
    list-style: none;
}

.nav-links li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--text-light);
    cursor: pointer;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    transition: var(--transition);
}

.nav-links li:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-links li.active {
    background: var(--primary-color);
    color: white;
}

.nav-links li i {
    font-size: 1.1rem;
    width: 24px;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 24px;
    color: var(--text-primary);
    font-family: var(--title-font, inherit);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.section-header h1 {
    margin-bottom: 0;
}

.section-header-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ===== Tab-Hero: einheitlicher Kopfbereich für größere Bereiche ===== */
.tab-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.tab-hero-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.tab-hero h1 {
    margin: 0;
    font-size: 1.5rem;
}

.tab-hero p {
    margin: 3px 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tab-hero-icon-green {
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
}

.tab-hero-icon-violet {
    background: rgba(124, 58, 237, 0.12);
    color: var(--ki-accent);
}

.tab-hero-icon-amber {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning-color);
}

@media (max-width: 600px) {
    .tab-hero-icon {
        width: 42px;
        height: 42px;
        font-size: 1.1rem;
        border-radius: 12px;
    }
    .tab-hero h1 {
        font-size: 1.25rem;
    }
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* ===== Dashboard ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.dashboard-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.dashboard-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 16px;
}

.dashboard-card h3 i {
    color: var(--primary-color);
}

.dashboard-card-header {
    justify-content: space-between !important;
}

.dashboard-card-header span {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== Dashboard anpassen (Modal) ===== */
.dashboard-widget-order-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dashboard-widget-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary, rgba(128, 128, 128, 0.06));
    border-radius: var(--radius);
    padding: 10px 12px;
}

.dashboard-widget-drag-handle {
    cursor: grab;
    color: var(--text-light);
    padding: 4px;
    touch-action: none;
}

.dashboard-widget-drag-handle:active {
    cursor: grabbing;
}

.dashboard-widget-row-icon {
    color: var(--primary-color);
    width: 20px;
    text-align: center;
}

.dashboard-widget-row-label {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.dashboard-widget-row-ghost {
    opacity: 0.4;
}

.grade-visibility-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    font-size: 1rem;
    padding: 6px;
    border-radius: 50%;
    line-height: 1;
    transition: var(--transition);
}

.grade-visibility-toggle:hover {
    color: var(--primary-color);
    background: var(--bg-color);
}

.grade-value-blurred {
    filter: blur(8px);
    user-select: none;
    cursor: pointer;
    transition: filter 0.2s ease;
}

.grade-value-blurred:hover {
    filter: blur(6px);
}

/* ===== Buttons ===== */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-secondary.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-width: 1.5px;
}

.btn-secondary.btn-danger-outline {
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-secondary.btn-danger-outline:hover {
    background: var(--danger-color);
    color: white;
}

.btn-icon {
    background: none;
    border: 2px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

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

/* ===== Forms ===== */
input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    margin-bottom: 12px;
    transition: var(--transition);
    font-family: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
    margin: 0;
}

/* ===== Calendar ===== */
.calendar-container {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    align-items: start;
}

.calendar-main {
    min-width: 0;
}

.calendar-side {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.calendar-header h2 {
    font-size: 1.3rem;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 10px;
}

.calendar-weekdays span {
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 10px;
    font-size: 0.85rem;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    font-weight: 500;
}

.calendar-day:hover {
    background: var(--primary-light);
    color: white;
}

.calendar-day.today {
    background: var(--primary-color);
    color: white;
}

.calendar-day.other-month {
    color: var(--text-light);
}

.calendar-day.has-event::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 6px;
    height: 6px;
    background: var(--secondary-color);
    border-radius: 50%;
}

.calendar-day.today.has-event::after {
    background: white;
}

.calendar-day.is-ferien {
    background: var(--border-color);
}

.calendar-day.today.is-ferien {
    background: var(--primary-color);
}

.ferien-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.ferien-info:empty {
    display: none;
}

.ferien-info i {
    color: var(--primary-color);
}

.event-form input,
.event-form select {
    margin-bottom: 14px;
}

.event-list h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 20px;
    font-size: 1.05rem;
}

.event-list h3::before {
    content: '\f073';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    background: rgba(14, 165, 233, 0.12);
    color: var(--secondary-color);
}

.event-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 4px;
    border-bottom: 1px solid var(--border-color);
}

.event-item:last-child {
    border-bottom: none;
}

.event-date-badge {
    width: 48px;
    flex-shrink: 0;
    text-align: center;
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    padding: 8px 4px;
}

.event-date-badge .event-date-day {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.event-date-badge .event-date-month {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-light);
    margin-top: 3px;
}

.event-info {
    flex: 1;
    min-width: 0;
}

.event-info h4 {
    margin-bottom: 2px;
}

.event-info span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.event-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 6px 0 0;
}

/* ===== Timetable ===== */
.timetable-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: start;
}

.timetable-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.timetable {
    width: 100%;
    border-collapse: collapse;
}

.timetable th, .timetable td {
    padding: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.timetable-th-period {
    width: 130px;
}

.timetable th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
}

.timetable td {
    cursor: pointer;
    transition: var(--transition);
}

.timetable td:hover {
    background: rgba(21, 128, 61, 0.1);
}

.timetable-cell {
    min-height: 60px;
}

.timetable-cell .subject {
    font-weight: 600;
    color: var(--primary-color);
}

.timetable-cell .teacher, .timetable-cell .room {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.timetable-cell .empty-slot {
    color: var(--text-light);
    opacity: 0.5;
}

.timetable-edit {
    height: fit-content;
}

.timetable-edit input,
.timetable-edit select {
    margin-bottom: 14px;
}

.period-range {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.period-range select {
    flex: 1;
    margin-bottom: 0;
}

.period-range-arrow {
    color: var(--text-light);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.field-hint {
    font-size: 0.78rem;
    color: var(--text-light);
    margin: 0 0 16px;
    line-height: 1.4;
}

.day-abbr {
    display: none;
}

.period-time {
    display: block;
    font-weight: 400;
    opacity: 0.75;
}

.timetable-cell-double .subject::after {
    content: "\f0c1";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    font-size: 0.7rem;
    margin-left: 6px;
    opacity: 0.6;
}

.color-picker-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 10px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.color-picker-label input[type="color"] {
    width: 48px;
    height: 32px;
    padding: 0;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    background: none;
}

.color-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0 16px;
}

.color-preset {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
}

.color-preset:hover {
    transform: scale(1.15);
    border-color: var(--text-light);
}

/* ===== Homework ===== */
.homework-container {
    display: grid;
    grid-template-columns: minmax(300px, 340px) 1fr;
    gap: 24px;
    align-items: start;
}

.homework-form {
    height: fit-content;
}

.homework-main {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.homework-filters {
    display: flex;
    gap: 4px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 4px;
    width: fit-content;
    box-shadow: var(--shadow);
}

.filter-btn {
    padding: 9px 20px;
    border: none;
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 6px rgba(21, 128, 61, 0.35);
}

.filter-btn:hover:not(.active) {
    color: var(--primary-color);
    background: rgba(21, 128, 61, 0.08);
}

.homework-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.homework-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--border-color);
    transition: var(--transition);
}

.homework-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.homework-item.priority-high { border-left-color: var(--danger-color); }
.homework-item.priority-medium { border-left-color: var(--warning-color); }
.homework-item.priority-low { border-left-color: var(--primary-color); }

.homework-item.done {
    opacity: 0.6;
    border-left-color: var(--success-color);
}

.homework-item.done .homework-info h4,
.homework-item.done .homework-info p {
    text-decoration: line-through;
}

.homework-item-main {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    min-width: 0;
}

.homework-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

/* ===== Fach-Farben, Wiederholung & Prüfungs-Markierung ===== */
.subject-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
    flex-shrink: 0;
}

.event-recurring-icon {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-left: 6px;
}

/* ===== Dashboard: Heute fällig ===== */
.today-focus-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 4px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.today-focus-item:last-child {
    border-bottom: none;
}

.today-focus-item:hover {
    transform: translateX(2px);
}

.today-focus-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.today-focus-label {
    flex: 1;
    min-width: 0;
    font-size: 0.88rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.today-focus-check {
    font-size: 0.75rem;
    color: var(--text-light);
    flex-shrink: 0;
}

/* ===== Dashboard: Prüfungs-Countdown ===== */
.exam-countdown-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 2px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.exam-countdown-item:last-child {
    border-bottom: none;
}

.exam-countdown-days {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.exam-countdown-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.exam-countdown-info span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.exam-progress-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.exam-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.exam-progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: var(--transition);
}

.exam-progress-pct {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.homework-info {
    min-width: 0;
}

.homework-info-top {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.homework-info h4 {
    margin: 0;
}

.priority-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.priority-badge-high { background: rgba(239, 68, 68, 0.12); color: var(--danger-color); }
.priority-badge-medium { background: rgba(245, 158, 11, 0.12); color: var(--warning-color); }
.priority-badge-low { background: rgba(21, 128, 61, 0.12); color: var(--primary-color); }

.homework-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.homework-info .due-date {
    font-size: 0.85rem;
    color: var(--text-light);
}

.homework-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* ===== Grades ===== */
.grades-container {
    display: grid;
    grid-template-columns: repeat(2, minmax(320px, 1fr));
    gap: 24px;
    align-items: start;
}

.grades-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.grade-form {
    height: fit-content;
}

.grade-form input,
.grade-form select,
.grade-goal-card input,
.grade-goal-card select {
    margin-bottom: 14px;
}

.grade-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    min-width: 0;
}

.grade-form-row input,
.grade-form-row select {
    width: 100%;
    min-width: 0;
}

/* ----- Fälligkeitsfeld mit "Nächste Stunde"-Button (Hausaufgaben) ----- */
.due-date-row {
    display: flex;
    gap: 6px;
    align-items: stretch;
}
.due-date-row input {
    flex: 1;
    min-width: 0;
}
.due-date-row .btn-small {
    flex: 0 0 auto;
    padding: 6px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
}
.due-date-row .btn-due-next-label {
    font-size: 0.85rem;
}
@media (max-width: 380px) {
    .due-date-row .btn-due-next-label {
        display: none;
    }
}

.grades-box-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.grades-box-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
}

.grades-box-icon-accent {
    background: rgba(14, 165, 233, 0.12);
    color: var(--secondary-color);
}

.grades-box-header h3 {
    margin: 0;
    font-size: 1.05rem;
}

.grades-box-header p {
    margin: 2px 0 0;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.grades-overview h3,
.grades-list h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 20px;
    font-size: 1.05rem;
}

.grades-overview h3::before {
    content: '\f200';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
}

.grades-list h3::before {
    content: '\f03a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
    background: rgba(14, 165, 233, 0.12);
    color: var(--secondary-color);
}

/* ----- Notenziel-Rechner ----- */
.goal-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 6px;
}

/* ----- Generisches Feld-Label (z.B. "Neue Hausaufgabe") ----- */
.form-field-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-light);
    margin: 10px 0 6px;
}
.form-field-label:first-child {
    margin-top: 0;
}
.grade-form-row .form-field-label {
    margin-top: 0;
}

.goal-calc-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 18px;
}

.goal-result-row {
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.goal-result-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.goal-result-block-target {
    align-items: flex-end;
}

.goal-result-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-light);
}

.goal-result-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.goal-result-value-target {
    color: var(--primary-color);
}

.goal-result-arrow {
    color: var(--text-light);
}

.goal-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: rgba(21, 128, 61, 0.1);
    transition: var(--transition);
}

.goal-badge i {
    font-size: 1.1rem;
    color: var(--success-color);
    flex-shrink: 0;
}

.goal-badge-main {
    margin: 0;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--success-color);
}

.goal-badge-sub {
    margin: 2px 0 0;
    font-size: 0.8rem;
    color: var(--success-color);
    opacity: 0.85;
}

.goal-badge.warning {
    background: rgba(245, 158, 11, 0.12);
}
.goal-badge.warning i,
.goal-badge.warning .goal-badge-main,
.goal-badge.warning .goal-badge-sub {
    color: var(--warning-color);
}

.goal-badge.danger {
    background: rgba(239, 68, 68, 0.12);
}
.goal-badge.danger i,
.goal-badge.danger .goal-badge-main,
.goal-badge.danger .goal-badge-sub {
    color: var(--danger-color);
}

.grade-subject-card {
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}

.grade-subject-card h4 {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.grade-subject-card .average {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.grade-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.grade-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: var(--transition);
}

.grades-list {
    grid-column: 1 / -1;
}

.grades-overview {
    grid-column: 1 / -1;
}

.grade-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.grade-item:last-child {
    border-bottom: none;
}

.grade-value {
    font-size: 1.3rem;
    font-weight: 700;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
}

.grade-1, .grade-2 { background: var(--success-color); }
.grade-3 { background: var(--secondary-color); }
.grade-4 { background: var(--warning-color); }
.grade-5, .grade-6 { background: var(--danger-color); }

/* ===== Feedback ===== */
.feedback-container {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 24px;
}

.feedback-form {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    height: fit-content;
}

.rating-input {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.star-rating {
    display: flex;
    gap: 4px;
}

.star-rating i {
    font-size: 1.9rem;
    color: var(--border-color);
    cursor: pointer;
    transition: transform 0.15s ease, color 0.15s ease;
}

.star-rating i.active, .star-rating i:hover {
    color: var(--warning-color);
    transform: scale(1.15);
}

.feedback-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feedback-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.feedback-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.feedback-type {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.feedback-type.positive { background: rgba(34, 197, 94, 0.1); color: var(--success-color); }
.feedback-type.constructive { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.feedback-type.question { background: rgba(14, 165, 233, 0.1); color: var(--secondary-color); }
.feedback-type.suggestion { background: rgba(79, 70, 229, 0.1); color: var(--primary-color); }

/* ===== Notifications ===== */
#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    background: var(--card-bg);
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.notification.success { border-left-color: var(--success-color); }
.notification.warning { border-left-color: var(--warning-color); }
.notification.error { border-left-color: var(--danger-color); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== Boot-Splash ===== */
.boot-splash {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    /* Nutzt die aktuell gewählte Akzentfarbe (--primary-dark/--primary-color),
       die per data-accent bereits vor dem ersten Frame gesetzt wird. */
    background: linear-gradient(135deg, #0f172a 0%, var(--primary-dark) 55%, var(--primary-color) 100%);
    background-size: 200% 200%;
    animation: bootGradient 6s ease-in-out infinite;
    transition: opacity 0.45s ease, visibility 0.45s ease, background 0.3s ease;
}

.boot-splash.boot-splash-hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

@keyframes bootGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.boot-splash-glow {
    position: absolute;
    width: 60vmax;
    height: 60vmax;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--primary-light) 45%, transparent) 0%, transparent 70%);
    animation: bootPulseGlow 3.2s ease-in-out infinite;
}

@keyframes bootPulseGlow {
    0%, 100% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.15); opacity: 1; }
}

.boot-splash-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.boot-splash-badge {
    width: 84px;
    height: 84px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    animation: bootBadgeIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.boot-splash-badge i {
    font-size: 2.4rem;
    color: var(--primary-light);
}

@keyframes bootBadgeIn {
    0% { opacity: 0; transform: scale(0.5) translateY(10px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

.boot-splash-name {
    margin-top: 22px;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #ffffff;
    animation: bootFadeUp 0.7s ease 0.15s both;
}

.boot-splash-tagline {
    margin-top: 6px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.65);
    animation: bootFadeUp 0.7s ease 0.3s both;
}

@keyframes bootFadeUp {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.boot-splash-dots {
    display: flex;
    gap: 8px;
    margin-top: 32px;
    animation: bootFadeUp 0.7s ease 0.45s both;
}

.boot-splash-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-light);
    animation: bootDotBounce 1.2s ease-in-out infinite;
}

.boot-splash-dots span:nth-child(2) { animation-delay: 0.15s; }
.boot-splash-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes bootDotBounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
    40% { transform: translateY(-8px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .boot-splash, .boot-splash-glow, .boot-splash-badge,
    .boot-splash-name, .boot-splash-tagline, .boot-splash-dots span {
        animation: none;
    }
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

/* ===== Tutorial (Onboarding) ===== */
.tutorial {
    text-align: center;
    padding-top: 4px;
    animation: tutorial-step-in 0.35s ease;
}

@keyframes tutorial-step-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tutorial-progress-track {
    height: 4px;
    border-radius: 4px;
    background: var(--bg-color);
    overflow: hidden;
    margin: 0 0 18px;
}

.tutorial-progress-fill {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transition: width 0.35s ease;
}

.tutorial-step-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 14px;
}

.tutorial-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.9rem;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 10px 20px -8px rgba(21, 128, 61, 0.5);
}

.tutorial h3 {
    margin: 0 0 10px;
    font-size: 1.2rem;
}

.tutorial-text {
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0 0 22px;
    padding: 0 4px;
}

.tutorial-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 22px;
}

.tutorial-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--border-color);
    transition: var(--transition);
}

.tutorial-dot.done {
    background: var(--primary-light);
}

.tutorial-dot.active {
    width: 20px;
    border-radius: 4px;
    background: var(--primary-color);
}

.tutorial-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.tutorial-actions .btn-primary,
.tutorial-actions .btn-secondary {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* ===== Einstellungen ===== */
.settings-group {
    margin-bottom: 22px;
}

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

.settings-group-title {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin: 0 0 8px 4px;
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
}

.settings-group .settings-row {
    border-radius: 0;
    border-bottom: none;
}
.settings-group .settings-row:first-child {
    border-top-left-radius: var(--radius-sm);
    border-top-right-radius: var(--radius-sm);
}
.settings-group .settings-row:last-child {
    border-bottom-left-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
    border-bottom: 1px solid var(--border-color);
}

.settings-row-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.settings-row-text {
    flex: 1;
    min-width: 0;
}

.settings-row-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.92rem;
}

.settings-row-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 1px;
}

.settings-row-action {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 6px;
    flex-shrink: 0;
}
.settings-row-action:hover { color: var(--primary-color); }

.settings-row-action.danger:hover { color: var(--danger-color); }

/* Toggle-Switch */
.settings-switch {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
}
.settings-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.settings-switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--border-color);
    border-radius: 999px;
    transition: 0.2s;
}
.settings-switch-slider::before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: #fff;
    border-radius: 50%;
    transition: 0.2s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.settings-switch input:checked + .settings-switch-slider {
    background-color: var(--primary-color);
}
.settings-switch input:checked + .settings-switch-slider::before {
    transform: translateX(18px);
}

.settings-app-version {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 4px;
}

/* ===== Sharing ===== */
.share-code-box {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 6px;
    color: var(--primary-color);
    background: var(--bg-color);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px 10px;
    margin: 10px 0;
}

.share-qr-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

.share-qr-box {
    background: #ffffff;
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    line-height: 0;
}

.qr-scanner-wrap {
    margin-top: 14px;
}

#qr-scanner-box {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

#qr-scanner-box video {
    border-radius: var(--radius-sm);
}

.import-preview-box {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-top: 14px;
}

.import-preview-box p {
    margin: 0 0 10px 0;
    color: var(--text-primary);
}

.hw-share-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 40vh;
    overflow-y: auto;
    margin: 10px 0;
}

.hw-share-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
}

.hw-share-item input {
    margin-top: 3px;
    width: auto;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--text-light);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .calendar-container,
    .homework-container,
    .grades-container,
    .feedback-container {
        grid-template-columns: 1fr;
    }
    
    .timetable-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-bottom: 90px;
    }

    .timetable-card {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .timetable {
        font-size: 0.68rem;
        table-layout: fixed;
        width: 100%;
        min-width: 0;
    }

    .timetable-th-period {
        width: 32px;
    }

    .timetable th, .timetable td {
        padding: 4px 2px;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .day-full {
        display: none;
    }

    .day-abbr {
        display: inline;
    }

    .period-time {
        display: none;
    }

    .timetable-cell {
        min-height: auto;
    }

    .timetable-cell .subject {
        font-size: 0.68rem;
        line-height: 1.15;
    }

    .timetable-cell .teacher,
    .timetable-cell .room {
        font-size: 0.6rem;
        line-height: 1.15;
    }

    h1 {
        font-size: 1.4rem;
        margin-bottom: 16px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .calendar-container,
    .homework-container,
    .grades-container,
    .feedback-container {
        grid-template-columns: 1fr;
    }

    .timetable-container {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
}

/* ===== Auth Overlay ===== */
.auth-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1a3a2a 60%, #15803d22 100%);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-overlay.active {
    display: flex;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.auth-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form h2 {
    font-size: 1.5rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.auth-subtitle {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 1rem;
    margin-top: 4px;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-error {
    background: rgba(239,68,68,0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: none;
}

.auth-info {
    background: rgba(34,197,94,0.1);
    color: var(--success-color);
    border: 1px solid rgba(34,197,94,0.3);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: none;
}

/* ===== User Menu ===== */
.user-menu-btn {
    position: relative;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-bottom: 16px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid var(--primary-light);
}

.user-avatar:hover {
    transform: scale(1.08);
}

.user-dropdown {
    position: absolute;
    top: 52px;
    right: 0;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.user-dropdown.hidden {
    display: none;
}

.user-dropdown-info {
    padding: 16px;
    background: var(--bg-color);
}

.user-dropdown-info strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.user-dropdown-info small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.user-dropdown hr {
    border: none;
    border-top: 1px solid var(--border-color);
}

.user-dropdown button {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
    text-align: left;
}

.user-dropdown button:hover {
    background: var(--bg-color);
}

#btn-delete-account {
    color: var(--danger-color) !important;
}

#btn-delete-account:hover {
    background: rgba(239,68,68,0.07) !important;
}

/* ===== Mobile Bottom Nav ===== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}

.mobile-nav ul {
    display: flex;
    list-style: none;
    width: 100%;
}

.mobile-nav li {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 4px;
    cursor: pointer;
    color: var(--text-light);
    font-size: 0.7rem;
    gap: 4px;
    transition: var(--transition);
}

.mobile-nav li i {
    font-size: 1.2rem;
}

.mobile-nav li.active {
    color: var(--primary-color);
}

.mobile-nav li:hover {
    color: var(--primary-color);
    background: rgba(21,128,61,0.05);
}

@media (min-width: 769px) {
    .mobile-nav { display: none !important; }
}

@media (max-width: 768px) {
    .mobile-nav { display: flex; }
}

/* ===== Mobile More Menu ===== */
.mobile-more-menu {
    position: fixed;
    bottom: 70px;
    left: 12px;
    right: 12px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 1050;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.mobile-more-menu.hidden {
    display: none;
}

.mobile-more-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.mobile-more-header button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding: 4px;
}

.mobile-more-menu ul {
    list-style: none;
}

.mobile-more-menu li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    cursor: pointer;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.mobile-more-menu li:last-child {
    border-bottom: none;
}

.mobile-more-menu li:hover {
    background: rgba(21,128,61,0.05);
    color: var(--primary-color);
}

.mobile-more-menu li i {
    font-size: 1.1rem;
    width: 24px;
    color: var(--primary-color);
}



/* ===== Mobile "App installieren"-Banner ===== */
.install-banner {
    display: none;
    position: fixed;
    bottom: 70px;
    left: 12px;
    right: 12px;
    z-index: 998;
    align-items: center;
    gap: 12px;
    padding: 12px 12px 12px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    animation: install-banner-in 0.3s ease;
}

.install-banner.active {
    display: flex;
}

@keyframes install-banner-in {
    from { transform: translateY(16px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.install-banner-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
}

.install-banner-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.install-banner-text strong {
    font-size: 0.85rem;
}

.install-banner-text span {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.install-banner-close {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

@media (min-width: 769px) {
    .install-banner { display: none !important; }
}

/* ===== Loading Screen ===== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-color);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-inner {
    text-align: center;
    color: var(--primary-color);
}

.loading-inner i {
    font-size: 3rem;
    animation: pulse 1.2s ease-in-out infinite;
    display: block;
    margin-bottom: 16px;
}

.loading-inner p {
    color: var(--text-secondary);
    font-size: 1rem;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

/* ===== Karteikarten ===== */
.flashcard-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
}

.flashcard-form {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    height: fit-content;
}

.fc-form-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin: -6px 0 14px;
    line-height: 1.5;
}

.fc-form-hint code {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.85em;
}

.fc-form-preview {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    margin-bottom: 14px;
}

.fc-form-preview-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.fc-form-preview-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 6px 0;
    min-width: 0;
}

.fc-form-preview-row + .fc-form-preview-row {
    border-top: 1px dashed var(--border-color);
}

.fc-form-preview-tag {
    flex-shrink: 0;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--ki-accent);
    background: rgba(124, 58, 237, 0.1);
    padding: 2px 8px;
    border-radius: 6px;
    margin-top: 2px;
}

.fc-form-preview-row div p {
    margin: 0;
}

.fc-form-preview-row > div:not(.fc-form-preview-tag) {
    flex: 1;
    min-width: 0;
    overflow-wrap: break-word;
}

.flashcard-decks {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.fc-deck-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.fc-deck-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--primary-color);
    transition: var(--transition);
}

.fc-deck-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.fc-deck-card h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.fc-deck-card .fc-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.fc-deck-card .fc-deck-stats {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    font-size: 0.8rem;
}

.fc-deck-card .fc-stat-known { color: var(--success-color); font-weight: 600; }
.fc-deck-card .fc-stat-unknown { color: var(--danger-color); font-weight: 600; }
.fc-deck-card .fc-stat-due { color: var(--warning-color); font-weight: 600; }

.fc-deck-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

/* Leitner-Boxverteilung im Deck */
.fc-box-bar {
    display: flex;
    gap: 3px;
    height: 8px;
    margin-top: 12px;
    border-radius: 4px;
    overflow: hidden;
}

.fc-box-seg {
    border-radius: 2px;
    min-width: 4px;
    transition: var(--transition);
}

.fc-box-seg-1 { background: #ef4444; }
.fc-box-seg-2 { background: #f97316; }
.fc-box-seg-3 { background: #f59e0b; }
.fc-box-seg-4 { background: #84cc16; }
.fc-box-seg-5 { background: var(--success-color); }

.fc-box-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 0.68rem;
    color: var(--text-light);
}

.fc-mastery-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
}

.fc-mastery-bar {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    overflow: hidden;
}

.fc-mastery-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-light), var(--success-color));
    border-radius: 3px;
    transition: width 0.4s ease;
}

.fc-mastery-pct {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--success-color);
    white-space: nowrap;
}

/* Leitner-Infobox auf der Karteikarten-Seite */
.leitner-info-box {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius);
    padding: 16px 18px;
    margin-bottom: 18px;
    box-shadow: var(--shadow);
}

.leitner-info-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 2px;
}

.leitner-info-box h4 {
    margin: 0 0 4px 0;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.leitner-info-box p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Mini-Diagramm der 5 Leitner-Boxen: macht den Mechanismus auf einen Blick sichtbar */
.leitner-steps {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.leitner-step {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.leitner-step-1 { background: #ef4444; }
.leitner-step-2 { background: #f97316; }
.leitner-step-3 { background: #f59e0b; }
.leitner-step-4 { background: #84cc16; }
.leitner-step-5 { background: var(--success-color); }

.leitner-step-arrow {
    font-size: 0.65rem;
    color: var(--text-light);
    flex-shrink: 0;
}

.leitner-step-final-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-left: 4px;
}

/* Learn Mode (Pop-up-Fenster) */
.flashcard-learn-mode {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1001;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fc-overlay-fade-in 0.2s ease;
}

@keyframes fc-overlay-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fc-learn-popup {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    animation: fc-popup-in 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fc-popup-in {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.fc-learn-close {
    font-size: 1rem;
}

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

.learn-header h3 {
    margin: 0;
    flex: 1;
}

.fc-progress-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.fc-progress-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    margin-bottom: 32px;
    overflow: hidden;
}

.fc-progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    transition: width 0.4s ease;
}

.fc-card-area {
    perspective: 1000px;
    margin-bottom: 28px;
}

.fc-card {
    width: 100%;
    max-width: 560px;
    min-height: 220px;
    margin: 0 auto;
    cursor: pointer;
    position: relative;
    transition: transform 0.25s ease;
}

.fc-card:hover {
    transform: translateY(-3px);
}

.fc-card-inner {
    position: relative;
    width: 100%;
    min-height: 220px;
    transform-style: preserve-3d;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius);
}

.fc-card-inner.flipped {
    transform: rotateY(180deg);
}

.fc-card-front, .fc-card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 28px;
    min-height: 220px;
    box-shadow: var(--shadow-lg);
}

.fc-card-front {
    background: linear-gradient(135deg, var(--fc-front-start, var(--primary-color)), var(--fc-front-end, var(--primary-dark)));
    color: white;
}

.fc-card-back {
    background: linear-gradient(135deg, var(--fc-back-start, #1e293b), var(--fc-back-end, #334155));
    color: white;
    transform: rotateY(180deg);
}

.fc-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 16px;
    align-self: flex-start;
}

.fc-card-front .fc-text, .fc-card-back .fc-text {
    font-size: 1.2rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.6;
    margin: 0;
    white-space: pre-wrap;
}

.fc-card-front .fc-text p, .fc-card-back .fc-text p {
    margin: 0;
    white-space: pre-wrap;
}

.fc-flip-hint {
    text-align: center;
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--text-light);
    transition: var(--transition);
}

.fc-answer-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-fc-wrong, .btn-fc-correct {
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-fc-wrong {
    background: rgba(239,68,68,0.1);
    color: var(--danger-color);
    border: 2px solid var(--danger-color);
}

.btn-fc-wrong:hover {
    background: var(--danger-color);
    color: white;
    transform: translateY(-2px);
}

.btn-fc-correct {
    background: rgba(34,197,94,0.1);
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.btn-fc-correct:hover {
    background: var(--success-color);
    color: white;
    transform: translateY(-2px);
}

.fc-done-screen {
    text-align: center;
    padding: 40px 20px;
}

.fc-done-screen i {
    font-size: 3.5rem;
    color: var(--warning-color);
    margin-bottom: 16px;
    display: block;
}

.fc-done-screen h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.fc-done-screen p {
    color: var(--text-secondary);
}

@media (max-width: 1200px) {
    .flashcard-container {
        grid-template-columns: 1fr;
    }
}

.grade-system-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 4px;
    margin-bottom: 16px;
}

.grade-system-btn {
    flex: 1;
    padding: 9px 12px;
    border: none;
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    color: var(--text-secondary);
}

.grade-system-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 6px rgba(21, 128, 61, 0.35);
}

.grade-system-btn:hover:not(.active) {
    color: var(--primary-color);
    background: rgba(21, 128, 61, 0.08);
}

.grade-system-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 600;
    margin-left: 6px;
    vertical-align: middle;
}

.grade-system-badge.noten {
    background: rgba(21,128,61,0.1);
    color: var(--primary-color);
}

.grade-system-badge.points {
    background: rgba(14,165,233,0.12);
    color: #0ea5e9;
}

/* ===== KI-Assistent ===== */
.ki-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 4px;
    width: fit-content;
    box-shadow: var(--shadow);
}

.ki-tab {
    padding: 9px 18px;
    border: none;
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 7px;
}

.ki-tab:hover {
    color: var(--ki-accent);
}

.ki-tab.active {
    background: var(--ki-accent);
    color: white;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.35);
}

.ki-tab-content {
    display: none;
}

.ki-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Chat */
.ki-chat-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.ki-chat-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 16px 10px 24px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: linear-gradient(90deg, rgba(124, 58, 237, 0.08), transparent 60%);
    border-bottom: 1px solid var(--border-color);
}

.ki-chat-topbar-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ki-chat-topbar-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.ki-chat-topbar-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.ki-chat-topbar-btn:hover {
    color: var(--ki-accent);
    border-color: var(--ki-accent);
}

.ki-chat-topbar-btn-accent {
    position: relative;
    color: var(--ki-accent);
    border-color: var(--ki-accent);
    background: rgba(124, 58, 237, 0.12);
    background: color-mix(in srgb, var(--ki-accent) 12%, var(--card-bg));
}

.ki-chat-topbar-btn-accent:hover {
    background: rgba(124, 58, 237, 0.22);
    background: color-mix(in srgb, var(--ki-accent) 22%, var(--card-bg));
    color: var(--ki-accent-dark);
    border-color: var(--ki-accent-dark);
}

.ki-history-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    margin-left: 2px;
    border-radius: 9px;
    background: var(--ki-accent-dark);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 1;
}

.ki-history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ki-history-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    cursor: pointer;
    transition: all 0.15s ease;
}

.ki-history-item:hover {
    border-color: var(--primary-color);
}

.ki-history-item.active {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.08);
}

.ki-history-item-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
    font-size: 0.85rem;
}

.ki-history-item-text {
    flex: 1;
    min-width: 0;
}

.ki-history-item-title {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ki-history-item-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.ki-history-item-delete {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    flex-shrink: 0;
    font-size: 0.9rem;
}

.ki-history-item-delete:hover {
    color: var(--danger-color);
}

.ki-chat-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
    flex-shrink: 0;
}

.ki-chat-messages {
    min-height: 340px;
    max-height: 480px;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--bg-color);
}

.ki-message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.ki-message-ai {
    flex-direction: row;
}

.ki-message-user {
    flex-direction: row-reverse;
}

.ki-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ki-accent), var(--ki-accent-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.ki-message-user .ki-message-avatar {
    background: var(--text-secondary);
}

.ki-message-bubble {
    background: var(--card-bg);
    border-radius: 16px 16px 16px 4px;
    padding: 12px 16px;
    font-size: 0.92rem;
    line-height: 1.6;
    max-width: 80%;
    box-shadow: var(--shadow);
    white-space: pre-wrap;
}

.ki-message-user .ki-message-bubble {
    background: var(--ki-accent);
    color: white;
    border-radius: 16px 16px 4px 16px;
}

.ki-message-bubble.ki-loading {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.ki-dot {
    width: 7px;
    height: 7px;
    background: var(--ki-accent);
    border-radius: 50%;
    animation: kiBounce 1.2s ease-in-out infinite;
}
.ki-dot:nth-child(2) { animation-delay: 0.2s; }
.ki-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes kiBounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
    40% { transform: translateY(-7px); opacity: 1; }
}

.ki-quick-prompts {
    display: flex;
    gap: 8px;
    padding: 12px 24px;
    flex-wrap: wrap;
    border-top: 1px solid var(--border-color);
    background: var(--card-bg);
}

.ki-quick-btn {
    padding: 7px 14px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-color);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
}

.ki-quick-btn:hover {
    border-color: var(--ki-accent);
    color: var(--ki-accent);
    background: rgba(124, 58, 237, 0.06);
    transform: translateY(-1px);
}

.ki-chat-input-row {
    display: flex;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--card-bg);
    align-items: flex-end;
}

.ki-chat-input-row textarea {
    flex: 1;
    margin: 0;
    resize: none;
    border-radius: 12px;
    font-size: 0.92rem;
    padding: 10px 14px;
    min-height: 44px;
    max-height: 120px;
}

.ki-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--ki-accent);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.ki-send-btn:hover {
    background: var(--ki-accent-dark);
    transform: scale(1.07);
}

.ki-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Flashcard Generator */
.ki-card-gen-container {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
}

.ki-card-gen-form {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    height: fit-content;
    border-top: 3px solid var(--ki-accent);
}

.ki-fc-result {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

/* Buchseite scannen */
.ki-scan-box {
    background: var(--bg-color);
    border: 1px dashed var(--ki-accent);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}

.ki-scan-box h4 {
    margin: 0 0 6px 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ki-accent);
}

.ki-scan-box p {
    margin: 0 0 12px 0;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.ki-scan-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

#ki-scan-filename {
    font-size: 0.8rem;
    color: var(--text-secondary);
    word-break: break-all;
}

#ki-scan-preview-wrap {
    margin-top: 12px;
}

#ki-scan-preview {
    max-width: 100%;
    max-height: 240px;
    border-radius: var(--radius-sm);
    display: block;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
}

#ki-scan-progress {
    margin-top: 12px;
}

.ki-scan-progress-bar {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    overflow: hidden;
    margin-bottom: 6px;
}

.ki-scan-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--ki-accent), var(--ki-accent-dark));
    transition: width 0.2s ease;
}

#ki-scan-progress-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.ki-scan-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.78rem;
    margin: 4px 0 14px 0;
}

.ki-scan-divider::before,
.ki-scan-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.ki-scan-divider span {
    padding: 0 10px;
}

.ki-fc-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.ki-fc-result-header h3 {
    margin: 0;
}

.ki-fc-preview {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ki-fc-preview-card {
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    border-left: 3px solid var(--ki-accent);
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: var(--transition);
}

.ki-fc-preview-card:hover {
    transform: translateX(2px);
}

.ki-fc-preview-card .fc-q {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.ki-fc-preview-card .fc-a {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ki-fc-preview-card .fc-q p, .ki-fc-preview-card .fc-a p {
    display: inline;
    margin: 0;
}

.ki-card-gen-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.ki-card-gen-header h3 {
    margin: 0;
}

/* KI Loading spinner in buttons */
.ki-btn-loading {
    opacity: 0.7;
    cursor: not-allowed !important;
    pointer-events: none;
}

@media (max-width: 1200px) {
    .ki-card-gen-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .ki-tabs {
        gap: 6px;
    }
    .ki-tab {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    .ki-chat-topbar-status {
        display: none;
    }
    .ki-chat-topbar {
        justify-content: flex-end;
    }
    .ki-chat-messages {
        min-height: 260px;
        max-height: 340px;
        padding: 16px;
    }
    .ki-quick-prompts {
        padding: 10px 16px;
    }
    .ki-chat-input-row {
        padding: 12px 16px;
    }
}

/* ===== KI API Key Banner ===== */
.ki-key-banner {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border: 1.5px solid var(--warning-color);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.ki-key-banner-inner {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.ki-key-banner-inner strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.ki-key-banner-inner p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.5;
}

.ki-key-banner-inner a {
    color: var(--primary-color);
    font-weight: 600;
}

.ki-key-error {
    background: rgba(239,68,68,0.1);
    color: var(--danger-color);
    border-radius: 6px;
    padding: 7px 10px;
    font-size: 0.82rem;
    margin-top: 8px;
}

/* ===== Feedback – User & Admin ===== */
.feedback-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
    align-items: start;
}

.feedback-send-card {
    max-width: none;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}

.feedback-why-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
}

.feedback-why-card h4 {
    margin: 0 0 16px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.feedback-why-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.feedback-why-item:last-child {
    margin-bottom: 0;
}

.feedback-why-item strong {
    display: block;
    font-size: 0.88rem;
    color: var(--text-primary);
}

.feedback-why-item p {
    margin: 2px 0 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.feedback-why-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.feedback-why-icon-bug { background: rgba(239, 68, 68, 0.12); color: var(--danger-color); }
.feedback-why-icon-idea { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.feedback-why-icon-praise { background: rgba(245, 158, 11, 0.12); color: var(--warning-color); }

@media (max-width: 900px) {
    .feedback-grid {
        grid-template-columns: 1fr;
    }
}

.admin-create-user-card {
    max-width: 600px;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.admin-create-user-card .auth-error,
.admin-create-user-card .auth-info {
    margin-top: 14px;
    margin-bottom: 0;
}

.feedback-admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.feedback-admin-stats {
    margin-bottom: 20px;
}

.feedback-stat-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.feedback-stat {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    box-shadow: var(--shadow);
    text-align: center;
    min-width: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.fs-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    background: rgba(21, 128, 61, 0.1);
    color: var(--primary-color);
}

/* Notentrend-Widget */
.grade-trend-up { color: var(--success-color); font-weight: 700; }
.grade-trend-down { color: var(--danger-color); font-weight: 700; }
.grade-trend-neutral { color: var(--text-secondary); font-weight: 600; }

.fs-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.fs-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.feedback-admin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feedback-admin-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--border-color);
    transition: var(--transition);
}

.feedback-admin-item:hover {
    box-shadow: var(--shadow-md, 0 4px 16px rgba(0,0,0,0.1));
}

.feedback-admin-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.fb-type-badge {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
}

.fb-sender {
    font-size: 0.83rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.fb-stars {
    color: #f59e0b;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.fb-message {
    font-size: 0.92rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    white-space: pre-wrap;
}

/* ===== Pomodoro Timer ===== */
.pomodoro-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: start;
}

.pomodoro-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 44px 32px 36px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pomodoro-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transition: var(--transition);
}

/* ----- Progress ring ----- */
.pomodoro-ring-wrap {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto 24px;
}

.pomodoro-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.pomodoro-ring-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 10;
    opacity: 0.5;
}

.pomodoro-ring-progress {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 628.318;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear, stroke 0.4s ease;
    filter: drop-shadow(0 0 6px rgba(21, 128, 61, 0.35));
}

.pomodoro-mode.mode-short ~ .pomodoro-time,
.pomodoro-mode.mode-long ~ .pomodoro-time {
    color: #0ea5e9;
}

.pomodoro-ring-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.pomodoro-mode {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.pomodoro-mode.mode-work {
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
}

.pomodoro-mode.mode-short,
.pomodoro-mode.mode-long {
    background: rgba(14, 165, 233, 0.12);
    color: #0ea5e9;
}

.pomodoro-time {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.01em;
}

/* When in a break, tint the ring blue instead of green */
#pomodoro-mode.mode-short ~ .pomodoro-time { color: var(--text-primary); }

.pomodoro-card:has(.mode-short) .pomodoro-ring-progress,
.pomodoro-card:has(.mode-long) .pomodoro-ring-progress {
    stroke: #0ea5e9;
    filter: drop-shadow(0 0 6px rgba(14, 165, 233, 0.35));
}

.pomodoro-subject-input {
    max-width: 380px;
    margin: 0 auto 26px;
    text-align: center;
    border-radius: 999px;
}

.pomodoro-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 26px;
}

.pomodoro-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 12px 22px;
    cursor: pointer;
    transition: var(--transition);
}

.pomodoro-btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    box-shadow: 0 6px 16px rgba(21, 128, 61, 0.35);
    padding: 12px 28px;
}

.pomodoro-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(21, 128, 61, 0.45);
}

.pomodoro-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid var(--border-color);
}

.pomodoro-btn-ghost:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.pomodoro-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.pomodoro-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--border-color);
    transition: var(--transition);
}

.pomodoro-dot.filled {
    background: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.18);
}

/* ----- Settings panel ----- */
.pomodoro-settings {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 26px 24px;
}

.pomodoro-settings h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 1rem;
}

.pomodoro-settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.pomodoro-settings-grid label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.pomodoro-settings-grid input {
    width: 100%;
    border-radius: 10px;
}

.pomodoro-stat {
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pomodoro-stat strong {
    color: var(--primary-color);
    font-size: 1.3rem;
}

@media (max-width: 900px) {
    .pomodoro-container {
        grid-template-columns: 1fr;
    }
    .pomodoro-ring-wrap {
        width: 180px;
        height: 180px;
    }
    .pomodoro-time {
        font-size: 2.4rem;
    }
}

/* ===== Gamification / Fortschritt ===== */
.streak-flame-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--card-bg);
    border: 1.5px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 999px;
    margin-right: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.streak-flame-badge:hover {
    transform: translateY(-2px);
}

.streak-flame-badge i {
    color: var(--text-light);
    transition: var(--transition);
}

.streak-flame-badge.streak-active {
    border-color: var(--flame-color);
    color: var(--flame-color);
}

.streak-flame-badge.streak-active i {
    color: var(--flame-color);
    filter: drop-shadow(0 0 4px var(--flame-glow));
}

.progress-top-row {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.streak-hero {
    background: linear-gradient(160deg, var(--card-bg), var(--bg-color));
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 32px 20px;
    text-align: center;
}

.streak-hero-flame {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 8px;
    transition: var(--transition);
}

.streak-hero-flame.streak-active {
    color: var(--flame-color);
    filter: drop-shadow(0 0 12px var(--flame-glow));
    animation: flame-flicker 1.8s ease-in-out infinite;
}

@keyframes flame-flicker {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25%      { transform: scale(1.05) rotate(-2deg); }
    50%      { transform: scale(0.97) rotate(1deg); }
    75%      { transform: scale(1.03) rotate(-1deg); }
}

.streak-hero-count {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.streak-hero-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.streak-freeze-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--bg-color);
    border: 1.5px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.8rem;
    font-weight: 700;
}

.streak-freeze-indicator.has-freezes {
    color: #0ea5e9;
    border-color: #0ea5e9;
    background: rgba(14, 165, 233, 0.1);
}

.level-card {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 28px 28px 24px;
}

.level-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.level-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 6px 16px;
    border-radius: 999px;
}

.level-xp-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.level-progress-bar {
    height: 12px;
    background: var(--border-color);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 14px;
}

.level-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 999px;
    transition: width 0.5s ease;
}

.level-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.badges-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    font-size: 1.05rem;
}

.badges-grid {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.badge-category-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    cursor: pointer;
    user-select: none;
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    margin-left: -6px;
    transition: var(--transition);
}

.badge-category-heading:hover {
    background: var(--bg-color);
}

.category-heading-label {
    flex: 1;
}

.category-collapse-caret {
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
    flex: none;
    transform: rotate(90deg);
}

.badge-category-group.collapsed .category-collapse-caret,
.shop-category-group.collapsed .category-collapse-caret {
    transform: rotate(0deg);
}

.badge-category-group.collapsed .badge-category-heading,
.shop-category-group.collapsed .shop-category-heading {
    margin-bottom: 0;
}

.badge-category-group.collapsed .badge-category-grid {
    display: none;
}

.badge-category-count {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 2px 9px;
    border-radius: 999px;
    font-variant-numeric: tabular-nums;
}

.badge-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.badge-tile {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 20px 14px;
    text-align: center;
    transition: var(--transition);
}

.badge-tile.earned {
    border: 1.5px solid var(--primary-color);
}

.badge-tile.earned:hover {
    transform: translateY(-3px);
}

.badge-tile.locked {
    opacity: 0.45;
    filter: grayscale(0.6);
}

.badge-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.badge-tile.locked .badge-icon {
    color: var(--text-light);
}

.badge-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.badge-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.badge-progress {
    margin-top: 10px;
}

.badge-progress-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 999px;
    overflow: hidden;
}

.badge-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 999px;
    transition: width 0.5s ease;
}

.badge-progress-text {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-top: 5px;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 800px) {
    .progress-top-row {
        grid-template-columns: 1fr;
    }
}

/* ===== Level-Up-Feedback ===== */
.levelup-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    cursor: pointer;
    animation: levelupFadeIn 0.25s ease;
    overflow: hidden;
}

.levelup-overlay.levelup-fade-out {
    animation: levelupFadeOut 0.4s ease forwards;
}

@keyframes levelupFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes levelupFadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.levelup-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px 48px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    animation: levelupPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: default;
}

.levelup-preview-tag {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 999px;
}

@keyframes levelupPop {
    0%   { transform: scale(0.4); opacity: 0; }
    60%  { transform: scale(1.08); opacity: 1; }
    100% { transform: scale(1); }
}

.levelup-star {
    font-size: 3.2rem;
    color: #eab308;
    filter: drop-shadow(0 0 14px rgba(234, 179, 8, 0.6));
    margin-bottom: 12px;
    animation: levelupSpin 1s ease-out;
}

@keyframes levelupSpin {
    from { transform: rotate(-180deg) scale(0.3); }
    to   { transform: rotate(0deg) scale(1); }
}

.levelup-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.levelup-sub {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.levelup-confetti-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.levelup-confetti {
    position: absolute;
    top: -20px;
    width: 8px;
    height: 14px;
    opacity: 0.9;
    border-radius: 2px;
    animation-name: levelupFall;
    animation-timing-function: ease-in;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
}

@keyframes levelupFall {
    0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(105vh) rotate(540deg); opacity: 0; }
}

/* ===== XP-Quellen-Übersicht ===== */
.xp-source-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
    margin-bottom: 32px;
}

.xp-source-tile {
    background: var(--card-bg);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.xp-source-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.xp-source-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.xp-source-text strong {
    font-size: 0.92rem;
    color: var(--text-primary);
}

.xp-source-text span {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.xp-source-amount {
    font-weight: 800;
    color: var(--primary-color);
    font-size: 0.95rem;
    white-space: nowrap;
}

/* ===== Punkte-Shop ===== */
.shop-balance-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.shop-balance-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.shop-balance-info {
    flex: 1;
}

.shop-balance-amount {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.shop-balance-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.shop-hint {
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.shop-hint i {
    color: var(--primary-color);
    margin-right: 4px;
}

.shop-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
    padding: 40px 20px;
    color: var(--text-secondary);
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.shop-empty-state i {
    font-size: 2rem;
    color: var(--text-light);
}

.shop-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.shop-item-card {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 16px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    transition: var(--transition);
}

.shop-item-card.unaffordable {
    opacity: 0.6;
}

.shop-item-card.equipped {
    box-shadow: 0 0 0 2px var(--primary-color), var(--shadow);
}

.shop-item-card.premium {
    background: linear-gradient(160deg, rgba(56, 189, 248, 0.1), var(--card-bg) 55%);
    border: 1px solid rgba(56, 189, 248, 0.35);
}

.shop-item-card.premium .shop-item-icon {
    background: rgba(56, 189, 248, 0.18);
    color: #0ea5e9;
}

.shop-category-group {
    margin: 24px 0 12px;
}

.shop-category-group:first-child {
    margin-top: 0;
}

.shop-category-heading {
    margin: 0 0 12px;
    cursor: pointer;
    user-select: none;
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    margin-left: -6px;
    transition: var(--transition);
}

.shop-category-heading:hover {
    background: var(--bg-color);
}

.shop-category-group.collapsed .shop-category-body {
    display: none;
}

.shop-category-hint {
    margin: -8px 0 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.shop-fc-preview-wrap {
    margin: 0 0 16px;
    text-align: center;
}

.shop-fc-preview-card {
    width: 220px;
    max-width: 100%;
    height: 110px;
    margin: 0 auto;
    perspective: 800px;
    cursor: pointer;
}

.shop-fc-preview-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.shop-fc-preview-inner.flipped {
    transform: rotateY(180deg);
}

.shop-fc-preview-front, .shop-fc-preview-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    text-align: center;
    box-shadow: var(--shadow);
}

.shop-fc-preview-front {
    background: linear-gradient(135deg, var(--fc-front-start, var(--primary-color)), var(--fc-front-end, var(--primary-dark)));
}

.shop-fc-preview-back {
    background: linear-gradient(135deg, var(--fc-back-start, #1e293b), var(--fc-back-end, #334155));
    transform: rotateY(180deg);
}

.shop-fc-preview-front .shop-fc-preview-label, .shop-fc-preview-back .shop-fc-preview-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.7;
}

.shop-fc-preview-hint {
    margin: 10px 0 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.shop-preview-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(21, 128, 61, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.shop-preview-banner i {
    color: var(--primary-color);
}

.shop-preview-banner span {
    flex: 1;
}

.shop-item-card.previewing {
    box-shadow: 0 0 0 2px var(--primary-light), var(--shadow);
}

.shop-item-badge-preview {
    background: var(--primary-color);
    color: #fff;
}

.shop-item-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 999px;
}

.shop-item-badge-owned {
    background: var(--bg-color);
    color: var(--text-secondary);
}

.shop-item-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: -4px;
}

.accent-swatch {
    color: #fff !important;
}

.fc-swatch {
    color: #fff !important;
}

.shop-font-swatch {
    font-size: 1.4rem !important;
    font-weight: 700;
    color: #15803d !important;
    background: rgba(21, 128, 61, 0.12) !important;
}

.shop-item-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
}

.shop-item-icon-btn {
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition);
}

.shop-item-icon-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.shop-item-icon-btn.danger:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-color);
}

.shop-item-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-top: 6px;
}

.shop-item-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.shop-item-cost {
    font-weight: 800;
    color: #eab308;
    font-size: 0.9rem;
}

.shop-item-cost i {
    margin-right: 3px;
}

.shop-item-btn-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    margin-top: 4px;
}

.shop-item-redeem-btn {
    width: 100%;
}

.shop-item-preview-btn {
    width: 100%;
}

.shop-item-redeem-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.shop-icon-picker {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}

.shop-icon-option input {
    display: none;
}

.shop-icon-option span {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.shop-icon-option input:checked + span {
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.shop-history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 60vh;
    overflow-y: auto;
}

.shop-history-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--bg-color);
    border-radius: var(--radius-sm);
}

.shop-history-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(21, 128, 61, 0.12);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.shop-history-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.shop-history-info small {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.shop-history-cost {
    font-weight: 700;
    color: #eab308;
    font-size: 0.85rem;
    white-space: nowrap;
}

.shop-history-cost i {
    margin-right: 3px;
}

/* Dashboard streak card flame animation */
.dashboard-streak-card .streak-active {
    animation: flame-flicker 1.8s ease-in-out infinite;
    filter: drop-shadow(0 0 10px var(--flame-glow));
}