:root {
    --bg: #0a0a0a;
    --bg-surface: #141414;
    --bg-card: #1e1e1e;
    --bg-hover: #2a2a2a;
    --text: #eaeaea;
    --text-secondary: #a0a0a0;
    --text-muted: #6a6a6a;
    --accent: #ffffff;
    --accent-light: #d0d0d0;
    --accent-glow: rgba(255, 255, 255, 0.15);
    --danger: #ff5252;
    --success: #66bb6a;
    --border: #2a2a2a;
    --radius: 8px;
    --radius-sm: 6px;
    --radius-lg: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.9);
    --transition: 0.2s ease;
    --player-height: 60px;
}

* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    flex-direction: column;
}

/* 头部 */
.header {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    flex-shrink: 0;
    gap: 12px;
    flex-wrap: wrap;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}
.logo-icon {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: #000;
}
.search-wrapper {
    flex: 1;
    position: relative;
    min-width: 180px;
}
.search-input {
    width: 100%;
    height: 36px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    padding: 0 44px 0 16px;
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
}
.search-input:focus {
    background: var(--bg-hover);
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}
.search-input::placeholder { color: var(--text-muted); }
.search-btn {
    position: absolute; right: 4px; top: 50%;
    transform: translateY(-50%);
    width: 28px; height: 28px;
    border-radius: 50%; border: none;
    background: var(--accent); color: #000;
    cursor: pointer; font-size: 0.8rem;
    display: flex; align-items: center; justify-content: center;
}
.search-btn:hover { background: var(--accent-light); }

/* 主区域 */
.main-wrapper { flex:1; overflow:hidden; }
.main-content {
    height: 100%;
    overflow-y: auto; overflow-x: hidden;
    padding: 16px;
    padding-bottom: calc(var(--player-height) + 36px);
    display: flex; flex-direction: column; gap: 8px;
}
.main-content::-webkit-scrollbar { width:5px; }
.main-content::-webkit-scrollbar-track { background:transparent; }
.main-content::-webkit-scrollbar-thumb { background:var(--border); border-radius:10px; }

.status-area {
    text-align: center; padding: 48px 20px;
    color: var(--text-muted);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.status-area .icon-large { font-size: 2.8rem; opacity:0.7; }
.text-bold { font-weight: 600; color: var(--text); }
.hot-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; justify-content: center; }
.hot-tag {
    padding: 5px 14px; border-radius: 16px;
    background: var(--bg-card); border: 1px solid var(--border);
    color: var(--text-secondary); cursor: pointer;
    font-size: 0.75rem; white-space: nowrap; transition: var(--transition);
}
.hot-tag:hover { background: var(--bg-hover); border-color: var(--accent); color: var(--text); }
.loader-spinner {
    width: 28px; height: 28px;
    border: 3px solid var(--border); border-top-color: var(--accent);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.song-list { display: flex; flex-direction: column; gap: 2px; }
.song-item {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 10px; border-radius: var(--radius);
    cursor: pointer; transition: var(--transition); background: transparent;
}
.song-item:hover { background: var(--bg-card); }
.song-item.playing {
    background: var(--bg-hover);
    border-left: 3px solid var(--accent);
}
.song-index { width: 24px; text-align: center; font-size: 0.75rem; color: var(--text-muted); flex-shrink: 0; }
.song-item.playing .song-index { color: var(--accent); font-weight: 700; }
.song-cover {
    width: 36px; height: 36px; border-radius: 4px;
    object-fit: cover; flex-shrink: 0; background: var(--bg-hover);
}
.song-cover-placeholder {
    width: 36px; height: 36px; border-radius: 4px; flex-shrink: 0;
    background: linear-gradient(135deg, #2a2a2a, #444);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem; color: var(--text-muted);
}
.song-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.song-name { font-size: 0.82rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.song-item.playing .song-name { color: var(--accent); }
.song-artist { font-size: 0.7rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.song-duration { font-size: 0.7rem; color: var(--text-muted); flex-shrink: 0; min-width: 36px; text-align: right; }
.song-actions { display: flex; gap: 4px; flex-shrink: 0; opacity: 0; transition: var(--transition); }
.song-item:hover .song-actions { opacity: 1; }
@media (hover: none) { .song-actions { opacity: 1; } }
.btn-sm {
    width: 26px; height: 26px; border-radius: 6px; border: none;
    background: transparent; color: var(--text-secondary); cursor: pointer;
    font-size: 0.75rem; display: flex; align-items: center; justify-content: center;
}
.btn-sm:hover { background: var(--bg-hover); color: var(--text); }
.btn-sm.copied { background: var(--success) !important; color: #fff !important; }

/* 歌词全屏 – 固定指示线位于 lyricOverlay 内部，不随内容滚动 */
.lyric-overlay {
    position: fixed; top: 0; left: 0; right: 0;
    bottom: calc(var(--player-height) + 28px);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 150;
    display: flex; flex-direction: column;
    /* 为指示线提供定位上下文 */
    overflow: hidden;
}
.lyric-overlay-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; color: var(--text); font-weight: 600;
    z-index: 2;
    flex-shrink: 0;
}
.lyric-overlay-close {
    background: none; border: none; color: var(--text-muted);
    font-size: 1.4rem; cursor: pointer; padding: 4px;
    border-radius: 50%; transition: var(--transition);
}
.lyric-overlay-close:hover { color: #fff; background: var(--bg-hover); }
.lyric-overlay-content {
    flex: 1;
    overflow-y: auto; scrollbar-width: none; -ms-overflow-style: none;
    padding: 50px 40px; line-height: 2.6; text-align: center;
    color: var(--text-muted); font-size: 0.95rem; cursor: grab;
    user-select: none; -webkit-user-select: none;
    mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
    /* 不再需要相对定位 */
}
.lyric-overlay-content::-webkit-scrollbar { display: none; }
.lyric-overlay-content:active { cursor: grabbing; }
.lyric-overlay-content p {
    transition: all 0.2s ease;
    padding: 2px 8px; border-radius: 4px;
    white-space: pre-wrap; color: var(--text-secondary);
}
.lyric-overlay-content p.current {
    color: var(--accent) !important;
    font-weight: 700; font-size: 1.1rem;
    background: transparent !important;
}

/* 固定的拖动指示线（相对 lyricOverlay 居中，不随滚动） */
.lyric-indicator {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;  /* 不响应点击，也不阻挡拖拽 */
}
.lyric-indicator-time {
    color: var(--accent-light);
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 8px;
    white-space: nowrap;
}
.lyric-indicator-line {
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.2);
    min-width: 40px;
}
.lyric-indicator-play {
    color: var(--accent-light);
    font-size: 1rem;
    margin-left: 8px;
}

.lyric-empty { color: var(--text-muted); margin-top: 60px; font-size: 1rem; }

/* 进度条 */
.progress-bar-container {
    position: fixed;
    bottom: var(--player-height);
    left: 0; right: 0;
    height: 26px;
    display: flex; align-items: center;
    padding: 0 16px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    z-index: 199;
}
.progress-time { font-size: 0.65rem; color: var(--text-muted); min-width: 34px; text-align: center; flex-shrink: 0; }
.progress-bar-wrap {
    flex: 1; height: 3px; background: var(--border);
    border-radius: 10px; cursor: pointer; position: relative;
}
.progress-bar-wrap:hover { height: 5px; }
.progress-bar-fill {
    height: 100%; background: var(--accent);
    border-radius: 10px; transition: width 0.05s linear;
}
.progress-tooltip {
    display: none;
    position: absolute; top: -22px; transform: translateX(-50%);
    background: #fff; color: #000; font-weight: 600;
    font-size: 0.7rem; padding: 2px 8px; border-radius: 10px;
    white-space: nowrap; pointer-events: none; z-index: 10;
}

/* 播放栏 */
.player-bar {
    position: fixed; bottom: 0; left: 0; right: 0;
    height: var(--player-height);
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px;
    padding: 0 16px; z-index: 200;
}
.player-cover-area {
    flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%;
    overflow: hidden; background: var(--bg-card); border: 1px solid var(--border);
    cursor: pointer; position: relative;
}
.player-cover-area.rotating .player-cover-img { animation: coverRotate 20s linear infinite; }
@keyframes coverRotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.player-cover-img { width: 100%; height: 100%; object-fit: cover; position: absolute; top:0; left:0; }
.player-cover-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; background: linear-gradient(135deg, #2a2a2a, #444);
    color: var(--text-muted);
}
.player-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.player-song-name { font-size: 0.8rem; font-weight: 600; }
.player-song-artist { font-size: 0.68rem; color: var(--text-secondary); }
.player-controls { display: flex; gap: 6px; align-items: center; }
.player-extra { display: flex; gap: 6px; align-items: center; }

.btn-ctrl {
    width: 30px; height: 30px;
    background: transparent; border: none;
    color: var(--text-secondary); cursor: pointer;
    font-size: 1.1rem; border-radius: 6px; transition: var(--transition);
    position: relative;
    display: flex; align-items: center; justify-content: center;
}
.btn-ctrl:hover { background: var(--bg-hover); color: var(--text); }
.btn-ctrl.active { color: var(--accent); }
.btn-play {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--accent); border: none;
    color: #000; cursor: pointer; font-size: 1.2rem;
    display: flex; align-items: center; justify-content: center;
}
.btn-play:hover { background: var(--accent-light); transform: scale(1.05); }

.badge-dot {
    position: absolute; top: 4px; right: 4px;
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent);
    animation: blink 1.5s infinite;
}
@keyframes blink { 0%,100%{ opacity:1; } 50%{ opacity:0.3; } }

/* Toast */
.toast-container {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
    z-index: 9999; display: flex; flex-direction: column; gap: 6px; pointer-events: none;
}
.toast {
    padding: 6px 16px; border-radius: 18px;
    background: #2c2c2c; color: #eee; font-size: 0.75rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5); border: 1px solid var(--border);
    animation: toastIn 0.3s ease-out, toastOut 0.3s ease-in 1.8s forwards;
    pointer-events: auto; text-align: center;
}
.toast.success { border-color: var(--success); background: #1b3a1b; }
.toast.error { border-color: var(--danger); background: #3a1b1b; }
@keyframes toastIn { from { opacity:0; transform:translateY(-12px); } to { opacity:1; transform:translateY(0); } }
@keyframes toastOut { from { opacity:1; transform:translateY(0); } to { opacity:0; transform:translateY(-12px); } }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 300; display: flex; align-items: center; justify-content: center; }
.modal {
    background: var(--bg-surface); border-radius: var(--radius-lg);
    border: 1px solid var(--border); width: 90%; max-width: 420px;
    max-height: 70vh; display: flex; flex-direction: column; box-shadow: var(--shadow);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; border-bottom: 1px solid var(--border); font-weight: 600;
}
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; padding: 4px; border-radius: 50%; }
.modal-close:hover { color: #fff; background: var(--bg-hover); }
.modal-body { flex: 1; overflow-y: auto; padding: 8px; }

@media (max-width: 500px) {
    .btn-ctrl { width: 26px; height: 26px; font-size: 1rem; }
    .btn-play { width: 32px; height: 32px; font-size: 1.1rem; }
    .player-bar { gap: 6px; padding: 0 10px; }
    .player-cover-area { width: 36px; height: 36px; }
    .player-song-name { font-size: 0.75rem; }
    .player-song-artist { font-size: 0.65rem; }
}