:root {
    --primary: #7c6fd6;
    --primary-dark: #6456c4;
    --bg: #f8f6ff;
    --card: #ffffff;
    --text: #2d2649;
    --text-light: #8a7ba8;
    --border: #e6dff7;
    --accent: #d4af37;
    --playing-bg: #f3efff;
    --shadow: 0 2px 16px rgba(124, 111, 214, 0.12);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
    padding-bottom: 20px;
}
body.player-active {
    padding-bottom: 160px;
}

/* ── Header ── */
.header {
    background: linear-gradient(135deg, #8b7fd6 0%, #6f5ec7 50%, #9d8ae0 100%);
    color: #fff;
    text-align: center;
    padding: 24px 16px 18px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(124, 111, 214, 0.3);
}
.header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.header .subtitle {
    font-size: 0.8rem;
    opacity: 0.92;
    font-weight: 400;
}
.cross-icon {
    font-size: 1.6rem;
    margin-bottom: 4px;
    display: inline;
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.4));
}

/* ── Language Selector ── */
.lang-bar {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0; /* will be adjusted via JS */
    z-index: 99;
}
.lang-bar::-webkit-scrollbar { display: none; }
.lang-btn {
    flex-shrink: 0;
    padding: 8px 18px;
    border-radius: 20px;
    border: 1.5px solid var(--border);
    background: var(--card);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}
.lang-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.lang-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ── Loading Overlay ── */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}
.loading-overlay.show {
    display: flex;
}
.loading-box {
    background: linear-gradient(135deg, #ffffff 0%, #f8f6ff 100%);
    border-radius: 16px;
    padding: 32px 28px;
    text-align: center;
    box-shadow: 0 12px 48px rgba(124, 111, 214, 0.25);
    max-width: 280px;
    width: 90%;
}
.spinner {
    width: 44px;
    height: 44px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-box p {
    font-size: 0.95rem;
    color: var(--text);
    font-weight: 500;
}
.loading-box .sub {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 6px;
    font-weight: 400;
}

/* ── Playlist ── */
.playlist {
    padding: 12px 16px 60px;
    max-width: 640px;
    margin: 0 auto;
}
.track-count {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 4px;
}
.track-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 14px;
    margin-bottom: 6px;
    border-radius: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}
.track-item:hover {
    border-color: var(--primary);
}
.track-item.active {
    background: var(--playing-bg);
    border-color: var(--primary);
}
.track-item.active .track-num {
    background: var(--primary);
    color: #fff;
}
.track-num {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f3efff 0%, #e6dff7 100%);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s;
}
.track-info {
    flex: 1;
    min-width: 0;
}
.track-name {
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-loading-text {
    font-size: 0.72rem;
    color: var(--primary);
    margin-top: 2px;
    display: none;
}
.track-item.loading .track-loading-text {
    display: block;
}
.track-download {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #f3efff 0%, #e6dff7 100%);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.track-download:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(124, 111, 214, 0.3);
}
.track-download svg { pointer-events: none; }

/* ── Now Playing Bar ── */
.now-playing {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(180deg, #ffffff 0%, #fdfcff 100%);
    border-top: 1px solid var(--border);
    padding: 10px 16px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(124, 111, 214, 0.15);
    display: none;
}
.now-playing.visible { 
    display: block;
}
.now-playing > * {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}
.np-track-name {
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 8px;
    text-align: center;
    color: var(--text);
}
.progress-bar {
    width: 100%;
    height: 28px;
    background: transparent;
    cursor: pointer;
    margin-bottom: 4px;
    position: relative;
    display: flex;
    align-items: center;
    touch-action: none;
}
.progress-track {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    pointer-events: none;
}
.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    width: 0%;
    pointer-events: none;
}
.np-times {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: -6px;
    margin-bottom: 8px;
}
.np-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}
.np-btn {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.np-btn:hover { background: #f3efff; }
.np-btn.play-pause {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(124, 111, 214, 0.3);
}
.np-btn.play-pause:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #5646b8 100%);
    box-shadow: 0 6px 20px rgba(124, 111, 214, 0.4);
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}
.empty-state svg { margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 0.95rem; }

/* ── Footer ── */
.footer {
    background: linear-gradient(135deg, #8b7fd6 0%, #6f5ec7 50%, #9d8ae0 100%);
    color: #fff;
    text-align: center;
    padding: 24px 16px;
    padding-bottom: max(24px, calc(24px + env(safe-area-inset-bottom)));
    margin-top: 40px;
    font-size: 0.85rem;
    line-height: 1.6;
}
.footer-content {
    max-width: 640px;
    margin: 0 auto;
}
.footer a {
    color: lightgray;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}
.footer a:hover {
    color: #fff;
    text-decoration: underline;
}
.footer-divider {
    margin: 12px 0;
    opacity: 0.3;
}
.copyright {
    font-size: 0.8rem;
    opacity: 0.85;
    margin-bottom: 8px;
}