/* ============================================================
   zsl.css – Design-System
   ZSL – Zentrum für Schulqualität und Lehrerbildung Baden-Württemberg
   Didaktisch aufbereitete Unterrichtsmaterialien
   ============================================================ */

/* ── Reset ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

/* ── Dark Theme (Standard) ── */
:root {
    /* Kernfarben – Warmes Schieferblau/Teal statt Blau */
    --clr-bg: #0d1b2a;
    --clr-surface: #162236;
    --clr-surface-2: #1e3048;
    --clr-accent: #5eead4;
    /* Teal */
    --clr-accent2: #818cf8;
    /* Indigo */
    --clr-text: #e2e8f0;
    --clr-muted: #7d95b0;
    --clr-on-accent: #0d1b2a;

    /* Semantische Tokens */
    --panel-bg: var(--clr-surface);
    --text-color: var(--clr-text);
    --border-color: rgba(255, 255, 255, 0.08);
    --box-bg: rgba(255, 255, 255, 0.04);

    /* Radien */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    /* Schatten */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.45);
    --shadow: 0 4px 18px rgba(0, 0, 0, 0.55);
    --shadow-lg: 0 10px 36px rgba(0, 0, 0, 0.5);

    /* Status */
    --success: #5eead4;
    --danger: #f87171;
    --warning: #fbbf24;
    --info: #818cf8;

    /* Typografie */
    --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Mono', 'Courier New', monospace;
    --text-sm: 0.85rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.35rem;
    --text-2xl: 1.7rem;
    --text-3xl: 2.2rem;
    --lh-base: 1.65;
    --lh-heading: 1.2;

    /* Layout */
    --max-width-layout: 1400px;
    --max-width-content: 900px;
    --header-height: 64px;

    /* Abstände */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;

    /* Transitions */
    --transition: color 0.25s ease, background-color 0.25s ease,
        border-color 0.25s ease, box-shadow 0.25s ease,
        transform 0.25s ease, opacity 0.25s ease;
    --transition-fast: color 0.18s ease, background-color 0.18s ease,
        box-shadow 0.18s ease, transform 0.18s ease;
}

/* ── Light Theme ── */
html[data-theme="light"] {
    --clr-bg: #f1f5f9;
    --clr-surface: #ffffff;
    --clr-surface-2: #e2eaf4;
    --clr-accent: #0d9488;
    /* Teal dunkler für Light */
    --clr-accent2: #4f46e5;
    /* Indigo dunkler für Light */
    --clr-text: #0d1b2a;
    --clr-muted: #4e6880;
    --clr-on-accent: #ffffff;

    --panel-bg: var(--clr-surface);
    --text-color: var(--clr-text);
    --border-color: rgba(13, 27, 42, 0.10);
    --box-bg: rgba(13, 27, 42, 0.04);

    --shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.08);
    --shadow: 0 4px 18px rgba(13, 27, 42, 0.12);
    --shadow-lg: 0 10px 36px rgba(13, 27, 42, 0.14);

    --success: #0d9488;
    --danger: #dc2626;
    --warning: #d97706;
    --info: #4f46e5;
}


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

:focus-visible {
    outline: 3px solid var(--clr-accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.btn:focus-visible,
.theme-toggle:focus-visible,
.nav-link:focus-visible {
    border-radius: 999px;
}

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

.skip-link {
    position: absolute;
    top: -60px;
    left: 1rem;
    background: var(--clr-accent);
    color: var(--clr-on-accent);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: var(--text-sm);
    z-index: 9999;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (forced-colors: active) {

    .btn,
    .card,
    .badge {
        border: 2px solid ButtonText;
    }
}


/* ============================================================
   GRUNDLAYOUT
   ============================================================ */

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-base);
    background: var(--clr-bg);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    line-height: var(--lh-base);
    transition: background-color 0.25s ease, color 0.25s ease;
    overflow-x: hidden;
}

:target {
    scroll-margin-top: calc(var(--header-height) + 1.5rem);
}


/* ============================================================
   SITE-HEADER
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 500;
    width: 100%;
    height: var(--header-height);
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    padding: 0 var(--space-xl);
    gap: var(--space-lg);
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

/* ── Logo ── */
.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    flex-shrink: 0;
}

.site-header__logo-img {
    height: 36px;
    width: auto;
    display: block;
    min-width: 36px;
}

.site-header__logo-text {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--clr-accent);
    letter-spacing: -0.02em;
    line-height: 1;
}

.site-header__logo-sub {
    font-size: 0.65rem;
    color: var(--clr-muted);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: 2px;
    display: block;
}

/* ── Navigation ── */
.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex: 1;
}

.nav-link {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--clr-muted);
    text-decoration: none;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-color);
    background: var(--box-bg);
}

.nav-link.active {
    color: var(--clr-accent);
    background: rgba(94, 234, 212, 0.1);
}

html[data-theme="light"] .nav-link.active {
    background: rgba(13, 148, 136, 0.1);
}

/* ── Header-Aktionen ── */
.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: auto;
    flex-shrink: 0;
}

/* ── Theme-Toggle ── */
.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    padding: 0;
    background: var(--box-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
    border-color: var(--clr-accent);
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: inline;
}

html[data-theme="light"] .theme-toggle .icon-sun {
    display: inline;
}

html[data-theme="light"] .theme-toggle .icon-moon {
    display: none;
}

/* ── Mobile-Menü-Button ── */
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--box-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1.3rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}


/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
    width: 100%;
    max-width: var(--max-width-layout);
    margin: 0 auto;
    padding: 0.75rem var(--space-xl);
    font-size: var(--text-sm);
    color: var(--clr-muted);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.2rem;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb a {
    color: var(--clr-accent);
    text-decoration: none;
    font-weight: 500;
    padding: 0.1rem 0.2rem;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    text-decoration: underline;
    color: var(--clr-accent2);
}

.breadcrumb__separator {
    color: var(--border-color);
    margin: 0 0.25rem;
    user-select: none;
    font-size: 0.75rem;
}

.breadcrumb__current {
    color: var(--text-color);
    font-weight: 600;
}


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

main {
    width: 100%;
    max-width: var(--max-width-layout);
    margin: 0 auto;
    padding: var(--space-lg) var(--space-xl) var(--space-2xl);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    flex: 1;
}

main.narrow {
    max-width: var(--max-width-content);
    padding: var(--space-xl) var(--space-xl) var(--space-2xl);
}

main.wide {
    max-width: 100%;
    padding: var(--space-lg) var(--space-xl) var(--space-2xl);
}

main.full {
    max-width: 100%;
    padding: 0;
}

.main-inner {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-lg);
}


/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    margin-bottom: var(--space-xl);
    width: 100%;
}

.hero__icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-md);
    animation: float 3.5s ease-in-out infinite;
}

.hero h1,
.hero__title {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: var(--lh-heading);
    margin-bottom: var(--space-md);
    background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__lead,
.hero p {
    color: var(--clr-muted);
    font-size: var(--text-lg);
    max-width: 680px;
    margin: 0 auto var(--space-lg);
    line-height: var(--lh-base);
}

.hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-top: var(--space-md);
}

.hero .tag {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--clr-accent);
    background: rgba(94, 234, 212, 0.1);
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
}

html[data-theme="light"] .hero .tag {
    background: rgba(13, 148, 136, 0.1);
}

@keyframes float {

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

    50% {
        transform: translateY(-8px);
    }
}


/* ============================================================
   BADGES & TAGS
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    line-height: 1.4;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.badge--primary {
    background: rgba(94, 234, 212, 0.15);
    color: var(--clr-accent);
}

.badge--secondary {
    background: rgba(129, 140, 248, 0.15);
    color: var(--clr-accent2);
}

.badge--success {
    background: rgba(94, 234, 212, 0.15);
    color: var(--success);
}

.badge--warning {
    background: rgba(251, 191, 36, 0.15);
    color: var(--warning);
}

.badge--danger {
    background: rgba(248, 113, 113, 0.15);
    color: var(--danger);
}

.badge--neutral {
    background: var(--box-bg);
    color: var(--clr-muted);
    border: 1px solid var(--border-color);
}

html[data-theme="light"] .badge--primary {
    background: rgba(13, 148, 136, 0.1);
}

html[data-theme="light"] .badge--secondary {
    background: rgba(79, 70, 229, 0.1);
}

html[data-theme="light"] .badge--success {
    background: rgba(13, 148, 136, 0.1);
}

html[data-theme="light"] .badge--warning {
    background: rgba(217, 119, 6, 0.1);
}

html[data-theme="light"] .badge--danger {
    background: rgba(220, 38, 38, 0.1);
}

/* Schulstufen-Tags */
.tag-klasse {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    line-height: 1.4;
    display: inline-block;
    background: rgba(94, 234, 212, 0.14);
    color: var(--success);
}

.tag-fach {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    line-height: 1.4;
    display: inline-block;
    background: rgba(129, 140, 248, 0.14);
    color: var(--clr-accent2);
}

.tag-art {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    line-height: 1.4;
    display: inline-block;
    background: rgba(251, 191, 36, 0.14);
    color: var(--warning);
}

html[data-theme="light"] .tag-klasse {
    color: #0d9488;
    background: rgba(13, 148, 136, 0.1);
}

html[data-theme="light"] .tag-fach {
    color: #4f46e5;
    background: rgba(79, 70, 229, 0.1);
}

html[data-theme="light"] .tag-art {
    color: #d97706;
    background: rgba(217, 119, 6, 0.1);
}


/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    border-radius: 999px;
    font-family: var(--font-base);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    user-select: none;
    line-height: 1;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.btn--primary {
    background: var(--clr-accent);
    color: var(--clr-on-accent);
    border-color: var(--clr-accent);
}

.btn--primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(94, 234, 212, 0.35);
    filter: brightness(1.08);
}

.btn--secondary {
    background: transparent;
    color: var(--clr-accent);
    border-color: var(--clr-accent);
}

.btn--secondary:hover:not(:disabled) {
    background: rgba(94, 234, 212, 0.1);
}

html[data-theme="light"] .btn--secondary:hover:not(:disabled) {
    background: rgba(13, 148, 136, 0.1);
}

.btn--ghost {
    background: transparent;
    color: var(--clr-muted);
    border-color: var(--border-color);
}

.btn--ghost:hover:not(:disabled) {
    color: var(--text-color);
    background: var(--box-bg);
    border-color: var(--clr-muted);
}

.btn--cta {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
    color: var(--clr-on-accent);
    border: none;
    font-weight: 800;
    font-size: var(--text-lg);
    padding: 0.85rem 2.2rem;
    box-shadow: 0 4px 16px rgba(94, 234, 212, 0.2);
}

.btn--cta:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(94, 234, 212, 0.4);
}

.btn--cta:active {
    transform: translateY(0) scale(0.98);
}

html[data-theme="light"] .btn--cta {
    color: #ffffff;
}

.btn--danger {
    background: transparent;
    color: var(--danger);
    border-color: rgba(248, 113, 113, 0.35);
}

.btn--danger:hover:not(:disabled) {
    background: rgba(248, 113, 113, 0.1);
}

.btn--sm {
    font-size: var(--text-sm);
    padding: 0.4rem 0.9rem;
}

.btn--lg {
    font-size: var(--text-xl);
    padding: 0.9rem 2.5rem;
}

.btn--icon {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 999px;
}

/* Reset-Button (Filter) */
.btn-reset {
    background: transparent;
    border: 1px solid var(--clr-accent);
    color: var(--clr-accent);
    padding: 0.6rem 1.5rem;
    border-radius: 999px;
    font-family: var(--font-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-reset:hover {
    background: var(--clr-accent);
    color: var(--clr-on-accent);
}

.btn-reset-sm {
    background: transparent;
    border: none;
    color: var(--clr-muted);
    font-family: var(--font-base);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
}

.btn-reset-sm.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-reset-sm:hover {
    color: var(--clr-accent);
    background: var(--box-bg);
}


/* ============================================================
   CTA WRAPPER
   ============================================================ */

.cta-wrapper {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.file-hint {
    text-align: center;
    color: var(--clr-muted);
    font-size: 0.8rem;
    margin-top: 0.5rem;
    font-family: var(--font-mono);
}


/* ============================================================
   CARDS
   ============================================================ */

.card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg);
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--card-accent, var(--clr-accent));
}

.card__icon,
.card .card-icon {
    font-size: 2rem;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--box-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
    transition: var(--transition);
}

.card:hover .card__icon,
.card:hover .card-icon {
    background: rgba(94, 234, 212, 0.1);
    border-color: var(--card-accent, var(--clr-accent));
}

.card__title,
.card h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: var(--lh-heading);
    margin: 0;
    transition: color 0.25s ease;
}

.card:hover .card__title,
.card:hover h2 {
    color: var(--card-accent, var(--clr-accent));
}

.card__body,
.card p {
    color: var(--clr-muted);
    font-size: 0.95rem;
    line-height: var(--lh-base);
    flex: 1;
}

.card__footer {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-sm);
}

/* Tags innerhalb von Cards */
.card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: var(--space-md);
}

.card .tag {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    line-height: 1.4;
    width: fit-content;
    display: inline-block;
    background: rgba(129, 140, 248, 0.15);
    color: var(--clr-accent2);
}

.card .tag-art {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    line-height: 1.4;
    width: fit-content;
    display: inline-block;
    background: rgba(251, 191, 36, 0.15);
    color: var(--warning);
}

.card .tag-klasse {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    line-height: 1.4;
    width: fit-content;
    display: inline-block;
    background: rgba(94, 234, 212, 0.15);
    color: var(--clr-accent);
}

html[data-theme="light"] .card .tag {
    color: #4f46e5;
    background: rgba(79, 70, 229, 0.1);
}

html[data-theme="light"] .card .tag-art {
    color: #d97706;
    background: rgba(217, 119, 6, 0.1);
}

html[data-theme="light"] .card .tag-klasse {
    color: #0d9488;
    background: rgba(13, 148, 136, 0.1);
}

/* Arrow-Dekorator für Link-Cards */
.card--link::after {
    content: '→';
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.1rem;
    color: var(--clr-muted);
    transition: color 0.25s ease, transform 0.25s ease;
}

.card--link:hover::after {
    color: var(--card-accent, var(--clr-accent));
    transform: translateX(4px);
}

/* Badges innerhalb von Cards (Startseite) */
.card .badge-container {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.card .badge {
    transition: background-color 0.25s ease, color 0.25s ease;
}

.card:hover .badge {
    background: var(--clr-accent);
    color: var(--clr-on-accent);
}

/* ── Startseiten-Card (groß, zentriert) ── */
.card.card-home {
    padding: 3rem 2.5rem;
    align-items: center;
    text-align: center;
    border-radius: var(--radius-lg);
}

.card.card-home::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%,
            rgba(94, 234, 212, 0.09), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

html[data-theme="light"] .card.card-home::before {
    background: radial-gradient(circle at 50% 0%,
            rgba(13, 148, 136, 0.06), transparent 60%);
}

.card.card-home:hover::before {
    opacity: 1;
}

.card.card-home::after {
    display: none;
}

.card.card-home .card-icon,
.card.card-home .card__icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-lg);
    width: auto;
    height: auto;
    background: none;
    border: none;
    border-radius: 0;
}

.card.card-home h2,
.card.card-home .card__title {
    font-size: var(--text-2xl);
    margin-bottom: 0.75rem;
}

.card.card-home p,
.card.card-home .card__body {
    font-size: var(--text-lg);
    margin-bottom: var(--space-xl);
}

/* ── Card Farbvarianten (c1–c6) ── */
.card.c1 {
    --card-accent: #a78bfa;
}

.card.c2 {
    --card-accent: #f472b6;
}

.card.c3 {
    --card-accent: #5eead4;
}

.card.c4 {
    --card-accent: #34d399;
}

.card.c5 {
    --card-accent: #fbbf24;
}

.card.c6 {
    --card-accent: #818cf8;
}

html[data-theme="light"] .card.c1 {
    --card-accent: #6d28d9;
}

html[data-theme="light"] .card.c2 {
    --card-accent: #db2777;
}

html[data-theme="light"] .card.c3 {
    --card-accent: #0d9488;
}

html[data-theme="light"] .card.c4 {
    --card-accent: #059669;
}

html[data-theme="light"] .card.c5 {
    --card-accent: #d97706;
}

html[data-theme="light"] .card.c6 {
    --card-accent: #4338ca;
}


/* ============================================================
   GRID-LAYOUTS
   ============================================================ */

.grid {
    display: grid;
    gap: var(--space-lg);
    width: 100%;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.grid.grid-wide,
.grid--wide {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.grid.grid-home {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.grid--narrow {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

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

.grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

/* Aufgaben-Kacheln */
.tasks-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    width: 100%;
    align-items: flex-start;
}

.task-card {
    width: 280px;
    flex: 0 0 280px;
    min-width: 220px;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-md);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    position: relative;
    overflow: hidden;
}

.task-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--clr-accent);
}

.content-wide {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}


/* ============================================================
   CONTENT CARDS (Detailseiten)
   ============================================================ */

.content-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg) var(--space-xl);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    width: 100%;
}

.content-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--clr-accent);
}

.content-card h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--clr-accent);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-sm);
}

.content-card h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--clr-accent2);
    margin: var(--space-md) 0 var(--space-sm);
}

.content-card p,
.content-card li {
    color: var(--clr-muted);
    font-size: 0.95rem;
    line-height: var(--lh-base);
}

.content-card ul,
.content-card ol {
    padding-left: var(--space-lg);
    margin-top: var(--space-sm);
}

.content-card li {
    margin-bottom: var(--space-xs);
}

.content-card .note {
    background: rgba(94, 234, 212, 0.06);
    border-left: 3px solid var(--clr-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
    color: var(--clr-muted);
    margin-top: var(--space-md);
}


/* ============================================================
   FEATURE GRID
   ============================================================ */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.feature {
    background: var(--box-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition);
}

.feature:hover {
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.feature .f-icon,
.feature__icon {
    font-size: 1.8rem;
    margin-bottom: var(--space-sm);
    display: block;
}

.feature h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--text-color);
}

.feature p {
    font-size: 0.82rem;
    color: var(--clr-muted);
    line-height: 1.5;
}


/* ============================================================
   INFO BOXEN
   ============================================================ */

.info-box {
    background: var(--box-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.92rem;
    color: var(--clr-muted);
    line-height: var(--lh-base);
    margin: var(--space-md) 0;
}

.info-box.tip,
.info-box--tip {
    border-left: 4px solid var(--success);
    background: rgba(94, 234, 212, 0.05);
}

.info-box.warning,
.info-box--warning {
    border-left: 4px solid var(--warning);
    background: rgba(251, 191, 36, 0.05);
}

.info-box--danger {
    border-left: 4px solid var(--danger);
    background: rgba(248, 113, 113, 0.05);
}

.info-box--info {
    border-left: 4px solid var(--info);
    background: rgba(129, 140, 248, 0.05);
}

html[data-theme="light"] .info-box--tip {
    background: rgba(13, 148, 136, 0.06);
}

html[data-theme="light"] .info-box--warning {
    background: rgba(217, 119, 6, 0.06);
}

html[data-theme="light"] .info-box--danger {
    background: rgba(220, 38, 38, 0.06);
}

html[data-theme="light"] .info-box--info {
    background: rgba(79, 70, 229, 0.06);
}

.info-box code {
    color: var(--danger);
    font-family: var(--font-mono);
    font-weight: bold;
    background: rgba(248, 113, 113, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}


/* ============================================================
   CODE & PSEUDOCODE
   ============================================================ */

code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: rgba(94, 234, 212, 0.1);
    color: var(--clr-accent2);
    padding: 0.15em 0.45em;
    border-radius: 4px;
    border: 1px solid rgba(94, 234, 212, 0.2);
}

html[data-theme="light"] code {
    background: rgba(79, 70, 229, 0.08);
    color: #3730a3;
    border-color: rgba(79, 70, 229, 0.2);
}

pre {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg);
    overflow-x: auto;
    margin: var(--space-md) 0;
}

html[data-theme="light"] pre {
    background: rgba(13, 27, 42, 0.04);
}

pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--clr-text);
    font-size: var(--text-sm);
    line-height: 1.75;
}

.pseudocode {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.8;
    overflow-x: auto;
    white-space: pre;
    color: var(--clr-muted);
    margin: var(--space-md) 0;
}

html[data-theme="light"] .pseudocode {
    background: rgba(13, 27, 42, 0.04);
}

.pseudocode .kw {
    color: var(--clr-accent2);
    font-weight: bold;
}

.pseudocode .fn {
    color: var(--clr-accent);
}

.pseudocode .cm {
    color: var(--clr-muted);
    font-style: italic;
    opacity: 0.75;
}

.pseudocode .hl {
    color: var(--warning);
}

.pseudocode .str {
    color: var(--success);
}


/* ============================================================
   TABELLEN
   ============================================================ */

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin: var(--space-md) 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.93rem;
    font-family: var(--font-base);
}

thead {
    background: var(--clr-surface-2);
}

th {
    text-align: left;
    padding: 0.75rem var(--space-md);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--clr-muted);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

td {
    padding: 0.75rem var(--space-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    vertical-align: middle;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--box-bg);
}

.table--striped tbody tr:nth-child(even) {
    background: var(--box-bg);
}


/* ============================================================
   FILTER AREA
   ============================================================ */

.filter-wrapper {
    width: 100%;
    align-self: stretch;
    max-width: none;
    margin-bottom: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    background: var(--panel-bg);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    min-width: 180px;
}

.filter-group label {
    font-size: 0.72rem;
    color: var(--clr-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    padding-left: var(--space-sm);
}

.filter-select {
    background: var(--clr-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.65rem 2.2rem 0.65rem var(--space-md);
    border-radius: 999px;
    font-family: var(--font-base);
    font-size: 0.93rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%237d95b0" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 0.6rem top 50%;
    min-height: 44px;
}

.filter-select:hover,
.filter-select:focus {
    border-color: var(--clr-accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.18);
}

.filter-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-xs);
    font-size: 0.9rem;
    color: var(--clr-muted);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.filter-meta strong {
    color: var(--text-color);
    font-weight: 700;
}


/* ============================================================
   KEIN-ERGEBNIS-STATE
   ============================================================ */

#no-results {
    display: none;
    width: 100%;
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
    color: var(--clr-muted);
}

#no-results .nr-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.7;
}

#no-results h3 {
    font-size: var(--text-xl);
    color: var(--text-color);
    margin-bottom: var(--space-sm);
}

#no-results p {
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
}


/* ============================================================
   PANEL
   ============================================================ */

.panel {
    background: var(--panel-bg);
    border-radius: var(--radius);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.panel-header,
.panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.panel__title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--clr-accent);
}

.panel-close,
.panel__close {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--clr-muted);
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    line-height: 1;
    box-shadow: none;
}

.panel-close:hover,
.panel__close:hover {
    color: var(--danger);
    background: rgba(248, 113, 113, 0.1);
}


/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0.22s ease;
}

.modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    animation: fadeIn 0.22s ease;
}

.modal,
.modal-content {
    background: var(--panel-bg);
    color: var(--text-color);
    width: 90%;
    max-width: 850px;
    max-height: 85vh;
    overflow-y: auto;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
    border: 1px solid var(--border-color);
    position: relative;
}

.modal-content h2 {
    color: var(--clr-accent);
    margin-top: 0;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--space-sm);
}

.modal-content h3 {
    color: var(--clr-accent2);
    margin-top: var(--space-lg);
}

.modal-content p,
.modal-content li {
    line-height: var(--lh-base);
    color: var(--clr-muted);
}

.modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-muted);
    cursor: pointer;
    padding: 0;
    box-shadow: none;
    transition: color 0.2s ease;
    line-height: 1;
}

.modal-close:hover {
    color: var(--danger);
}


/* ============================================================
   FEEDBACK BOX
   ============================================================ */

.feedback-box {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    width: 100%;
    font-size: 0.93rem;
    box-shadow: var(--shadow-sm);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.feedback-box.is-visible {
    opacity: 1;
    visibility: visible;
    animation: fadeIn 0.3s ease;
}

.feedback-success {
    background: rgba(94, 234, 212, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.feedback-warning {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.feedback-error {
    background: rgba(248, 113, 113, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.feedback-info {
    background: rgba(129, 140, 248, 0.1);
    color: var(--info);
    border: 1px solid var(--info);
}


/* ============================================================
   INFO-CONTENT (Modal/Panel-Inhalte)
   ============================================================ */

.info-content h3 {
    color: var(--clr-accent2);
    margin: var(--space-lg) 0 var(--space-sm) 0;
    font-size: var(--text-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.info-content p,
.info-content li {
    color: var(--clr-muted);
    line-height: var(--lh-base);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}


/* ============================================================
   FORTSCHRITT (Progress)
   ============================================================ */

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--box-bg);
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
    border-radius: 999px;
    transition: width 0.4s ease;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
    color: var(--clr-muted);
    margin-bottom: var(--space-xs);
}


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

footer,
.site-footer {
    width: 100%;
    font-family: var(--font-base);
    background: var(--panel-bg);
    border-top: 1px solid var(--border-color);
    color: var(--clr-muted);
    font-size: var(--text-sm);
    margin-top: auto;
}

/* ── Footer-Hauptbereich ── */
.site-footer__inner {
    max-width: var(--max-width-layout);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

/* ── Footer-Logo-Bereich ── */
.site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.site-footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    width: fit-content;
}

.site-footer__logo-img {
    height: 28px;
    width: auto;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.site-footer__logo:hover .site-footer__logo-img {
    opacity: 1;
}

.site-footer__logo-text {
    font-family: var(--font-base);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--clr-accent);
    letter-spacing: -0.02em;
    line-height: 1;
}

.site-footer__tagline {
    font-family: var(--font-base);
    font-size: var(--text-sm);
    color: var(--clr-muted);
    max-width: 300px;
    line-height: 1.6;
}

/* ── Footer-Navigation ── */
.site-footer__nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.site-footer__nav-title {
    font-family: var(--font-base);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-color);
    margin-bottom: var(--space-sm);
}

.site-footer__nav a {
    font-family: var(--font-base);
    font-size: var(--text-sm);
    color: var(--clr-muted);
    text-decoration: none;
    padding: 0.15rem 0;
    transition: color 0.2s ease;
    display: block;
}

.site-footer__nav a:hover {
    color: var(--clr-accent);
}

/* ── Footer-Bottom-Leiste ── */
.site-footer__bottom {
    max-width: var(--max-width-layout);
    margin: 0 auto;
    padding: var(--space-md) var(--space-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* Einfacher Footer (einzeiliger Fallback) */
footer:not(.site-footer) {
    text-align: center;
    padding: var(--space-lg) var(--space-xl);
    font-family: var(--font-base);
    font-size: var(--text-sm);
    color: var(--clr-muted);
}

.site-footer__copyright {
    font-family: var(--font-base);
    font-size: var(--text-sm);
    color: var(--clr-muted);
}

.site-footer__legal {
    display: flex;
    gap: var(--space-lg);
}

.site-footer__legal a {
    font-family: var(--font-base);
    color: var(--clr-muted);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color 0.2s ease;
}

.site-footer__legal a:hover {
    color: var(--clr-accent);
    text-decoration: underline;
}


/* ============================================================
   IMPRESSUM
   ============================================================ */

.impressum-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
    max-width: 780px;
    margin: 0 auto;
}

.impressum-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.impressum-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--clr-accent);
}

.impressum-card .card-icon,
.impressum-card__icon {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
    display: block;
    color: var(--clr-accent);
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
}

.impressum-card h2 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--clr-accent);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.impressum-card p {
    color: var(--clr-muted);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: var(--space-xs);
}

.impressum-card a {
    color: var(--clr-accent2);
    text-decoration: none;
    transition: color 0.2s ease;
}

.impressum-card a:hover {
    color: var(--clr-accent);
    text-decoration: underline;
}

.impressum-card address {
    font-style: normal;
}

.impressum-card.c3 {
    --card-accent: #5eead4;
}

.impressum-card.c4 {
    --card-accent: #34d399;
}

html[data-theme="light"] .impressum-card.c3 {
    --card-accent: #0d9488;
}

html[data-theme="light"] .impressum-card.c4 {
    --card-accent: #059669;
}


/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--clr-muted);
}

.text-accent {
    color: var(--clr-accent);
}

.text-accent2 {
    color: var(--clr-accent2);
}

.text-sm {
    font-size: var(--text-sm);
}

.text-lg {
    font-size: var(--text-lg);
}

.text-bold {
    font-weight: 700;
}

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mt-xl {
    margin-top: var(--space-xl);
}

.mb-sm {
    margin-bottom: var(--space-sm);
}

.mb-md {
    margin-bottom: var(--space-md);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}

.mb-xl {
    margin-bottom: var(--space-xl);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

.w-full {
    width: 100%;
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--space-lg) 0;
}


/* ============================================================
   ANIMATION KEYFRAMES
   ============================================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

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

@keyframes shake {

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

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.animate-shake {
    animation: shake 0.35s ease;
}

.animate-pulse {
    animation: pulse 2s ease infinite;
}


/* ============================================================
   RESPONSIVE – TABLET-OPTIMIERT
   ============================================================ */

/* ── Große Tablets / kleine Desktops ── */
@media (max-width: 1100px) {
    .site-footer__inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }
}

/* ── Tablet Landscape ── */
@media (max-width: 1024px) {
    .grid--3col {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid--2col {
        grid-template-columns: 1fr;
    }
}

/* ── Tablet Portrait ── */
@media (max-width: 768px) {
    :root {
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --header-height: 58px;
    }

    /* Header: Navigation → Burger-Menü */
    .site-nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--panel-bg);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-xs);
        box-shadow: var(--shadow);
        z-index: 400;
    }

    .site-nav.is-open {
        display: flex;
    }

    .nav-link {
        padding: 0.75rem var(--space-md);
        border-radius: var(--radius-sm);
        font-size: var(--text-base);
        min-height: 44px;
    }

    .nav-toggle {
        display: flex;
    }

    .site-header {
        padding: 0 var(--space-md);
        gap: var(--space-sm);
    }

    .breadcrumb {
        padding: 0.6rem var(--space-md);
    }

    main,
    main.narrow,
    main.wide {
        padding: var(--space-md) var(--space-md) var(--space-xl);
    }

    .hero {
        padding: var(--space-lg) 0;
        margin-bottom: var(--space-lg);
    }

    .hero__icon {
        font-size: 2.4rem;
    }

    .grid,
    .grid.grid-wide,
    .grid--wide {
        grid-template-columns: 1fr 1fr;
    }

    .grid--narrow {
        grid-template-columns: 1fr;
    }

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

    .filter-bar {
        flex-direction: column;
        padding: var(--space-md);
    }

    .filter-group {
        min-width: 100%;
    }

    .filter-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .content-card {
        padding: var(--space-md);
    }

    /* Footer */
    .site-footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: var(--space-lg) var(--space-md);
    }

    .site-footer__bottom {
        padding: var(--space-md);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .site-footer__legal {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    /* Aufgaben-Kacheln */
    .task-card {
        width: 220px;
        flex: 0 0 220px;
    }

    .impressum-card {
        padding: var(--space-lg);
    }
}

/* ── Smartphone ── */
@media (max-width: 600px) {
    .tasks-grid {
        flex-direction: column;
    }

    .task-card {
        width: 100%;
        flex: 0 0 100%;
        min-width: unset;
    }
}

/* ── Kleines Smartphone ── */
@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2.5rem;
    }

    .grid,
    .grid.grid-wide,
    .grid--wide,
    .grid--narrow {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .site-footer__legal {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .modal,
    .modal-content {
        padding: var(--space-md);
        border-radius: var(--radius);
    }

    .btn--cta {
        font-size: var(--text-base);
        padding: 0.75rem 1.5rem;
    }
}

/* ── Touch: größere Klickbereiche ── */
@media (pointer: coarse) {

    .btn,
    .nav-link,
    .filter-select,
    .theme-toggle {
        min-height: 44px;
    }

    .card {
        cursor: pointer;
    }
}

/* ── Print ── */
@media print {

    .site-header,
    .site-nav,
    .theme-toggle,
    .nav-toggle,
    .btn,
    .filter-wrapper,
    .site-footer__legal {
        display: none !important;
    }

    body {
        background: white;
        color: black;
        font-family: var(--font-base);
    }

    .card,
    .content-card,
    .impressum-card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }

    a[href]::after {
        content: ' (' attr(href) ')';
        font-size: 0.8em;
        color: #555;
    }

    .breadcrumb a[href]::after {
        content: '';
    }
}