/* ============================================
   CD-Sammlung – Tablet-optimiertes Design
   Feeling: analoges CD-Regal + Inlay
   ============================================ */

:root {
    --bg: #0f0f12;
    --bg-card: #1a1a20;
    --bg-inlay: #16161c;
    --text: #f0f0f2;
    --text-muted: #9a9aa8;
    --accent: #e8b86d;
    --accent-hover: #f0c97a;
    --border: #2a2a34;
    --success: #4ade80;
    --error: #f87171;
    --radius: 12px;
    --shadow: 0 8px 32px rgba(0,0,0,0.45);
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100dvh;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ---------- Topbar ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15,15,18,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px 8px;
}
.topbar-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1400px;
    margin: 0 auto;
}
.logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    white-space: nowrap;
}
.search-form {
    flex: 1;
    position: relative;
    max-width: 420px;
}
.search-form input {
    width: 100%;
    padding: 10px 36px 10px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
}
.search-form input:focus { border-color: var(--accent); }
.clear-search {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    color: var(--text-muted);
    line-height: 1;
}
.stats {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 4px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
    white-space: nowrap;
}
.btn:hover { background: #22222a; border-color: #3a3a46; }
.btn:active { transform: scale(0.97); }
.btn-primary {
    background: var(--accent);
    color: #1a1208;
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #1a1208; }
.btn-large { padding: 14px 24px; font-size: 1rem; width: 100%; }
.btn-apple-full {
    background: linear-gradient(135deg, #fc3c44, #d60017);
    color: #fff;
    border: none;
    margin-top: 20px;
}
.btn-apple-full:hover { filter: brightness(1.08); color: #fff; }

/* ---------- Cover Grid ---------- */
.cover-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 22px 16px;
    padding: 24px 20px 60px;
    max-width: 1400px;
    margin: 0 auto;
}
@media (min-width: 768px) {
    .cover-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 28px 20px; }
}
@media (min-width: 1100px) {
    .cover-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}

.cover-card {
    display: block;
    color: inherit;
    transition: transform 0.18s ease;
}
.cover-card:hover { transform: translateY(-4px); color: inherit; }
.cover-card:active { transform: scale(0.98); }

.cover-frame {
    position: relative;
    aspect-ratio: 1;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #111;
}
.cover-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #2a2a34, #1a1a22);
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--text-muted);
}
.cover-placeholder.large { font-size: 5rem; }

.cover-meta {
    padding: 10px 2px 0;
}
.cover-title {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cover-artist {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cover-year {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
    margin-top: 2px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.empty-state p { margin-bottom: 20px; font-size: 1.1rem; }

/* ---------- Detail / Inlay ---------- */
.detail-page {
    background: #0c0c0f;
}
.inlay {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
    max-width: 1100px;
    margin: 0 auto;
}
@media (min-width: 800px) {
    .inlay {
        flex-direction: row;
        padding: 32px 24px;
        gap: 40px;
        align-items: flex-start;
    }
}

.inlay-left {
    position: relative;
    padding: 20px 20px 0;
    flex-shrink: 0;
}
@media (min-width: 800px) {
    .inlay-left { padding: 0; width: 380px; }
}
.back-btn {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0,0,0,0.55);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    z-index: 5;
    backdrop-filter: blur(6px);
}
.big-cover {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.55);
    max-width: 420px;
    margin: 0 auto;
}
.big-cover img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}
.back-cover-thumb {
    margin-top: 16px;
    max-width: 120px;
    border-radius: 4px;
    overflow: hidden;
    opacity: 0.85;
}

.inlay-right {
    flex: 1;
    padding: 24px 20px 40px;
    background: var(--bg-inlay);
}
@media (min-width: 800px) {
    .inlay-right {
        border-radius: 16px;
        padding: 32px 36px 40px;
        box-shadow: var(--shadow);
        min-height: 520px;
    }
}

.album-header { margin-bottom: 28px; }
.album-title {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 6px;
}
.album-artist {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 8px;
}
.album-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.barcode { font-variant-numeric: tabular-nums; letter-spacing: 0.03em; }

/* Tracklist */
.disc-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 18px 0 8px;
    font-weight: 600;
}
.tracks {
    list-style: none;
}
.track {
    display: grid;
    grid-template-columns: 28px 1fr auto auto;
    align-items: center;
    gap: 8px;
    padding: 11px 8px;
    border-radius: 8px;
    transition: background 0.12s;
    cursor: default;
}
.track:hover { background: rgba(255,255,255,0.04); }
.track-num {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    text-align: right;
}
.track-title {
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-duration {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    min-width: 36px;
    text-align: right;
}
.track-actions {
    display: flex;
    gap: 4px;
    opacity: 0.7;
}
.track:hover .track-actions { opacity: 1; }
.btn-preview, .btn-apple {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.08);
    color: var(--text);
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.12s;
}
.btn-preview:hover, .btn-apple:hover { background: rgba(255,255,255,0.16); }
.btn-apple { text-decoration: none; }

/* Mini Player */
.mini-player {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    background: #22222c;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 10px 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    z-index: 200;
    min-width: 280px;
    max-width: 90vw;
}
.mini-player.hidden { display: none; }
.mini-info { flex: 1; font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--accent);
    color: #1a1208;
    font-size: 1rem;
    cursor: pointer;
    flex-shrink: 0;
}

/* ---------- Scan Page ---------- */
.scan-page .topbar-inner { justify-content: flex-start; gap: 20px; }
.back-link { color: var(--text-muted); font-size: 0.95rem; }
.scan-main {
    max-width: 520px;
    margin: 0 auto;
    padding: 32px 20px 60px;
}
.scan-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: var(--shadow);
}
.scan-hint {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.55;
}
.scan-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}
.scan-form input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
    font-size: 1.15rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    outline: none;
}
.scan-form input:focus { border-color: var(--accent); }

.scan-result {
    margin-top: 24px;
    padding: 16px;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}
.scan-result.success { background: rgba(74,222,128,0.12); border: 1px solid rgba(74,222,128,0.3); }
.scan-result.error { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.3); }
.scan-result.hidden { display: none; }

.scan-tips {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.scan-tips h3 { font-size: 0.9rem; margin-bottom: 10px; color: var(--text-muted); }
.scan-tips ul {
    padding-left: 18px;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ---------- Utilities ---------- */
.hidden { display: none !important; }