/* Lern Kalender — Legal pages */
:root {
    --bg: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-card: #ffffff;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --accent: #7c3aed;
    --accent-light: #ede9fe;
    --border: #e5e5ea;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #000000;
        --bg-secondary: #1c1c1e;
        --bg-card: #1c1c1e;
        --text: #f5f5f7;
        --text-secondary: #98989d;
        --accent: #b794f4;
        --accent-light: #2d1f4e;
        --border: #38383a;
        --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.4);
    }
}

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 17px;
}

.container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    padding: 24px 0 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 17px;
    min-width: 0;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    flex-shrink: 0;
    object-fit: cover;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

nav {
    margin-top: 14px;
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    font-size: 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    align-items: center;
}

nav::-webkit-scrollbar {
    display: none;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
}

nav a:hover {
    background: var(--bg-secondary);
    color: var(--text);
}

nav a.active {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 500;
}

.lang-switch {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.lang-switch a {
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid var(--border);
}

/* Main */
main {
    padding-bottom: 48px;
}

h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 24px;
}

h2 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 40px 0 14px;
    padding-top: 8px;
    color: var(--text);
}

h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 8px;
    color: var(--text);
}

p {
    margin-bottom: 14px;
    color: var(--text);
}

ul, ol {
    margin: 0 0 16px 22px;
    color: var(--text);
}

li {
    margin-bottom: 6px;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code {
    font-family: "SF Mono", Menlo, Monaco, Consolas, monospace;
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
}

/* Card grid for index */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text);
    transition: transform 0.15s, box-shadow 0.15s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 16px 40px rgba(0, 0, 0, 0.08);
    text-decoration: none;
}

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

.card-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.card-icon.privacy { background: #dbeafe; color: #2563eb; }
.card-icon.terms { background: #dcfce7; color: #16a34a; }
.card-icon.imprint { background: #fef3c7; color: #d97706; }
.card-icon.support { background: #fce7f3; color: #db2777; }

@media (prefers-color-scheme: dark) {
    .card-icon.privacy { background: #1e3a8a; color: #93c5fd; }
    .card-icon.terms { background: #14532d; color: #86efac; }
    .card-icon.imprint { background: #78350f; color: #fcd34d; }
    .card-icon.support { background: #831843; color: #fbcfe8; }
}

.card h3 {
    margin: 0 0 2px;
    font-size: 16px;
}

.card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.4;
}

/* Hero on index */
.hero {
    padding: 8px 0 16px;
    text-align: left;
}

.hero h1 {
    font-size: 36px;
}

.hero .subtitle {
    font-size: 16px;
    margin-bottom: 0;
}

/* Footer */
footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 48px;
}

footer p {
    color: var(--text-secondary);
}

/* Mobile */
@media (max-width: 600px) {
    body { font-size: 16px; }
    .container { padding: 0 16px; }
    header { padding: 16px 0 12px; margin-bottom: 16px; }
    h1 { font-size: 26px; }
    .hero { padding: 4px 0 12px; }
    .hero h1 { font-size: 30px; }
    .subtitle { font-size: 15px; margin-bottom: 16px; }
    h2 { font-size: 20px; margin: 28px 0 10px; }
    h3 { font-size: 16px; }
    nav {
        font-size: 13px;
        gap: 4px;
        margin-top: 12px;
        padding-bottom: 4px;
    }
    nav a { padding: 5px 10px; }
    .lang-switch a { padding: 3px 8px; font-size: 11px; }
    .card { padding: 12px; gap: 12px; }
    .card-icon { width: 34px; height: 34px; font-size: 17px; }
    .card h3 { font-size: 15px; }
    .card p { font-size: 12px; }
    .card-grid { gap: 8px; }
    main { padding-bottom: 32px; }
    footer { padding: 20px 0; margin-top: 24px; font-size: 13px; }
}