/* ═══════════════════════════════════════════════════════════
   style.css — Kursplan Wochenansicht
   Theme: Sportlich-dunkel, Bernstein-Akzente
   Fonts: Barlow Condensed (Display) + DM Sans (Body)
════════════════════════════════════════════════════════════ */

/* ── Reset & Custom Properties ─────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Farben */
    --bg:          #0f1115;
    --bg-card:     #181b21;
    --bg-card-alt: #1d2029;
    --border:      rgba(255,255,255,0.07);
    --border-h:    rgba(255,255,255,0.14);

    --accent:      #f0a500;       /* Bernstein */
    --accent-dim:  rgba(240,165,0,0.12);
    --accent-glow: rgba(240,165,0,0.08);

    --text-1: #f0ede8;
    --text-2: #9a9590;
    --text-3: #5c5852;

    /* Statusfarben */
    --c-open:    #3ecf8e;
    --c-almost:  #f0a500;
    --c-full:    #e05252;

    --c-open-dim:   rgba(62,207,142,0.12);
    --c-almost-dim: rgba(240,165,0,0.12);
    --c-full-dim:   rgba(224,82,82,0.12);

    /* Spacing */
    --r: 10px;   /* card border-radius */
    --gap: 12px;

    /* Typografie */
    --ff-display: 'Barlow Condensed', sans-serif;
    --ff-body:    'DM Sans', sans-serif;

    /* Header-Höhe */
    --header-h: 60px;
}

html {
    font-family: var(--ff-body);
    font-size: 14px;
    line-height: 1.5;
    background: var(--bg);
    color: var(--text-1);
    -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar (WebKit) ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-h); border-radius: 3px; }

/* ══ HEADER ═════════════════════════════════════════════ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(15,17,21,0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

/* Brand */
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--ff-display);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-1);
    text-decoration: none;
    white-space: nowrap;
}
.brand-mark {
    color: var(--accent);
    font-size: 10px;
    line-height: 1;
}

/* Wochennavigation */
.week-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-2);
    text-decoration: none;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.nav-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.week-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 12px;
    min-width: 190px;
}
.week-dates {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-1);
    white-space: nowrap;
}
.week-number {
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.today-btn {
    margin-left: 4px;
    padding: 5px 12px;
    border-radius: 8px;
    border: 1px solid var(--accent);
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.15s;
    white-space: nowrap;
}
.today-btn:hover { background: rgba(240,165,0,0.2); }

/* ══ WOCHENRASTER ════════════════════════════════════════ */
.week-grid-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 16px;
}

.week-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--gap);
    align-items: start;
}

/* ── Tagesspalte ─────────────────────────────────────── */
.day-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
    animation: fadeUp 0.35s ease both;
}
/* Staggered Animation je Spalte */
.day-col:nth-child(1) { animation-delay: 0.03s; }
.day-col:nth-child(2) { animation-delay: 0.06s; }
.day-col:nth-child(3) { animation-delay: 0.09s; }
.day-col:nth-child(4) { animation-delay: 0.12s; }
.day-col:nth-child(5) { animation-delay: 0.15s; }
.day-col:nth-child(6) { animation-delay: 0.18s; }
.day-col:nth-child(7) { animation-delay: 0.21s; }

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

/* Tageskopf */
.day-header {
    display: flex;
    align-items: baseline;
    gap: 6px;
    padding: 6px 4px 8px;
    border-bottom: 1px solid var(--border);
}
.day-name {
    font-family: var(--ff-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-2);
}
.day-date {
    font-size: 13px;
    color: var(--text-3);
    font-weight: 300;
}

/* Heute-Hervorhebung */
.day-col--today .day-header {
    border-bottom-color: var(--accent);
}
.day-col--today .day-name {
    color: var(--accent);
}
.today-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-dim);
    border-radius: 4px;
    padding: 2px 6px;
}

/* Leere Spalte */
.day-col--empty .courses-list {
    padding: 12px 0;
}
.no-courses {
    font-size: 12px;
    color: var(--text-3);
    text-align: center;
    padding: 20px 8px;
    border: 1px dashed var(--border);
    border-radius: var(--r);
}

/* ── Kurskarte ───────────────────────────────────────── */
.course-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
    transition: border-color 0.15s, transform 0.15s;
    cursor: default;
}
.course-card:hover {
    border-color: var(--border-h);
    transform: translateY(-1px);
}

/* Status-Randstreifen (links) */
.course-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    border-radius: var(--r) 0 0 var(--r);
}
.status--open::before   { background: var(--c-open); }
.status--almost::before { background: var(--c-almost); }
.status--full::before   { background: var(--c-full); }

/* Hintergrund-Tint je Status */
.status--open   { background: linear-gradient(135deg, var(--bg-card) 60%, var(--c-open-dim)); }
.status--almost { background: linear-gradient(135deg, var(--bg-card) 60%, var(--c-almost-dim)); }
.status--full   { background: linear-gradient(135deg, var(--bg-card) 60%, var(--c-full-dim)); }

/* Auslastungsbalken am unteren Rand */
.fill-bar {
    position: absolute;
    left: 3px; right: 0; bottom: 0;
    height: 2px;
    background: var(--border-h);
    border-radius: 0 0 var(--r) 0;
}
.fill-bar::after {
    content: '';
    position: absolute;
    left: 0; top: 0;
    width: var(--fill, 0%);
    height: 100%;
    border-radius: inherit;
    transition: width 0.6s ease;
}
.status--open   .fill-bar::after { background: var(--c-open); }
.status--almost .fill-bar::after { background: var(--c-almost); }
.status--full   .fill-bar::after { background: var(--c-full); }

/* Karteninhalt */
.card-body {
    padding: 10px 12px 14px 15px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.course-time {
    font-family: var(--ff-display);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-1);
    line-height: 1.1;
}
.time-sep {
    color: var(--text-3);
    font-weight: 400;
    margin: 0 2px;
}

.course-name {
    font-family: var(--ff-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-1);
    line-height: 1.2;
}


.course-units {
    font-size: 11px;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.03em;
    margin-top: 2px;
}

.course-units {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: 1px;
}
.course-location {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-3);
    margin-top: 2px;
}

/* Plätze-Bereich */
.course-slots {
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.slots-numbers {
    font-size: 12px;
    font-weight: 500;
}
.slots-open   { color: var(--c-open); }
.slots-almost { color: var(--c-almost); }
.slots-full   { color: var(--c-full); }

/* Punkt-Visualisierung */
.slots-dots {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    align-items: center;
}
.dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}
.dot--taken { background: var(--text-3); }
.dot--free  { background: var(--border-h); border: 1px solid var(--border-h); }
.status--open   .dot--free { background: rgba(62,207,142,0.18); }
.status--almost .dot--free { background: rgba(240,165,0,0.15); }

.dots-more {
    font-size: 10px;
    color: var(--text-3);
    margin-left: 2px;
}

/* ══ FOOTER / LEGENDE ═══════════════════════════════════ */
.site-footer {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border);
}

.legend {
    display: flex;
    gap: 20px;
    align-items: center;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-2);
}
.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.legend-dot--open   { background: var(--c-open); }
.legend-dot--almost { background: var(--c-almost); }
.legend-dot--full   { background: var(--c-full); }

.admin-link {
    font-size: 12px;
    color: var(--text-3);
    text-decoration: none;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: color 0.15s, border-color 0.15s;
}
.admin-link:hover { color: var(--text-2); border-color: var(--border-h); }

/* ══ RESPONSIVE ══════════════════════════════════════════ */
@media (max-width: 1100px) {
    .week-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 720px) {
    .week-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .week-label { min-width: 140px; }
    .week-dates { font-size: 12px; }
}
@media (max-width: 460px) {
    .week-grid { grid-template-columns: 1fr; }
    .header-inner { padding: 0 12px; }
    .week-grid-wrap { padding: 16px 12px; }
    .brand-name { display: none; }
}

/* ══ REDUCED MOTION ══════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    .day-col { animation: none; }
    .fill-bar::after { transition: none; }
    .course-card { transition: none; }
}

/* ══ TERMINAUSFÄLLE & ERSATZTERMINE ════════════════════════ */

/* Neue CSS-Variablen */
:root {
    --c-cancelled:     #e05252;
    --c-cancelled-dim: rgba(224,82,82,0.10);
    --c-makeup:        #3eb8cf;
    --c-makeup-dim:    rgba(62,184,207,0.10);
}

/* Karten-Zustände */
.course-card--cancelled {
    opacity: 0.7;
    border-color: rgba(224,82,82,0.25) !important;
}
.course-card--cancelled .fill-bar::after {
    background: var(--c-cancelled-dim) !important;
}
.course-card--makeup {
    border-color: rgba(62,184,207,0.30) !important;
    background: linear-gradient(135deg,
        var(--bg-card) 0%,
        rgba(62,184,207,0.05) 100%) !important;
}

/* Event-Badge (Ausgefallen / Ersatztermin) */
.event-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 7px;
    border-radius: 4px;
    margin-bottom: 7px;
    width: fit-content;
}
.event-badge--cancelled {
    color: var(--c-cancelled);
    background: var(--c-cancelled-dim);
    border: 1px solid rgba(224,82,82,0.20);
}
.event-badge--makeup {
    color: var(--c-makeup);
    background: var(--c-makeup-dim);
    border: 1px solid rgba(62,184,207,0.20);
}

/* Durchgestrichene Uhrzeit bei Ausfall */
.course-time--cancelled {
    text-decoration: line-through;
    opacity: 0.5;
}

/* Status-Klassen für cancelled / makeup */
.status--cancelled { border-color: rgba(224,82,82,0.20); }
.status--makeup    { border-color: rgba(62,184,207,0.25); }

/* Legende ergänzen */
.legend-dot--cancelled { background: var(--c-cancelled); }
.legend-dot--makeup    { background: var(--c-makeup); }