:root {
    --bg-1: #0f1729;
    --bg-2: #0b1220;
    --surface: rgba(255, 255, 255, 0.08);
    --surface-strong: rgba(255, 255, 255, 0.12);
    --surface-soft: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.14);
    --border-strong: rgba(255, 255, 255, 0.22);
    --text: #f5f9ff;
    --text-2: rgba(235, 243, 255, 0.78);
    --text-3: rgba(220, 230, 245, 0.52);
    --accent: #60a5fa;
    --accent-2: #8b5cf6;
    --success: #34d399;
    --danger: #fb7185;
    --warning: #fbbf24;
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.22);
    --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-height: 100vh;
    color: var(--text);
    font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(96, 165, 250, 0.20), transparent 32%),
        radial-gradient(circle at top right, rgba(139, 92, 246, 0.18), transparent 28%),
        radial-gradient(circle at bottom center, rgba(56, 189, 248, 0.14), transparent 26%),
        linear-gradient(180deg, #10192c 0%, #0c1321 48%, #0a1020 100%);
    background-attachment: fixed;
    position: relative;
    overflow-x: hidden;
}
body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 999px;
    filter: blur(90px);
    pointer-events: none;
    z-index: -1;
}
body::before {
    width: 320px;
    height: 320px;
    left: -80px;
    top: 90px;
    background: rgba(96, 165, 250, 0.16);
}
body::after {
    width: 300px;
    height: 300px;
    right: -70px;
    top: 220px;
    background: rgba(139, 92, 246, 0.14);
}
a, button, input, select, textarea { transition: all 0.22s ease; }
::selection { background: rgba(96, 165, 250, 0.28); color: #fff; }

.neon-glass {
    background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.06)), rgba(18, 28, 49, 0.62);
    border: 1px solid var(--border);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    backdrop-filter: blur(20px) saturate(140%);
    box-shadow: var(--shadow-lg);
}
.neon-player {
    background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.07)), rgba(12, 19, 34, 0.82);
    border-top: 1px solid rgba(255,255,255,0.14);
    -webkit-backdrop-filter: blur(28px) saturate(150%);
    backdrop-filter: blur(28px) saturate(150%);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.28);
}
.neon-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.05)), rgba(19, 29, 51, 0.72);
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
}
.neon-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.10), transparent 35%, transparent 65%, rgba(255,255,255,0.06));
    pointer-events: none;
}
.playing-card {
    border-color: rgba(96, 165, 250, 0.45) !important;
    background: linear-gradient(180deg, rgba(96,165,250,0.12), rgba(255,255,255,0.06)), rgba(20, 32, 57, 0.80) !important;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(96, 165, 250, 0.08) inset;
}
.neon-input {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}
.neon-input::placeholder { color: rgba(226, 235, 248, 0.45); }
.neon-input:hover { border-color: rgba(255, 255, 255, 0.20); background: rgba(255,255,255,0.07); }
.neon-input:focus {
    outline: none;
    border-color: rgba(96, 165, 250, 0.70);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.12), 0 8px 24px rgba(0, 0, 0, 0.18);
}
select.neon-input option { background: #111827; color: #f8fafc; }
textarea.neon-input { min-height: 96px; resize: vertical; }
.win11-topbar { position: relative; }
.win11-topbar::after {
    content: "";
    position: absolute;
    inset: auto 16px 0 16px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.20), transparent);
}
.hero-panel { position: relative; overflow: hidden; }
.hero-panel::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    right: -120px;
    top: -160px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(96,165,250,0.20), transparent 68%);
    pointer-events: none;
}
.hero-panel::after {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    left: -120px;
    bottom: -200px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(139,92,246,0.16), transparent 70%);
    pointer-events: none;
}
.win-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 12px;
    color: rgba(240, 248, 255, 0.86);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.win-subtitle { color: var(--text-2); line-height: 1.8; }
.win-icon-box {
    background: linear-gradient(135deg, rgba(96,165,250,0.85), rgba(139,92,246,0.85));
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}
.win-button {
    background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06));
    border: 1px solid rgba(255,255,255,0.12);
    color: #f8fbff;
    box-shadow: var(--shadow-sm);
}
.win-button:hover {
    background: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.08));
    border-color: rgba(255,255,255,0.22);
    transform: translateY(-1px);
}
.win-button-primary {
    background: linear-gradient(135deg, #60a5fa, #4f8df7 55%, #7c8cff);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.16);
    box-shadow: 0 12px 26px rgba(59,130,246,0.32);
}
.win-button-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 30px rgba(59,130,246,0.36); }
.custom-range {
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 999px;
    background: rgba(255,255,255,0.15);
    outline: none;
}
.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid rgba(96,165,250,0.95);
    box-shadow: 0 0 0 4px rgba(96,165,250,0.14);
    cursor: pointer;
}
.custom-range::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid rgba(96,165,250,0.95);
    box-shadow: 0 0 0 4px rgba(96,165,250,0.14);
    cursor: pointer;
}

.hero-action-row { display: flex; flex-wrap: wrap; gap: 12px; }
.stats-card {
    position: relative;
    overflow: hidden;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.10);
    backdrop-filter: blur(14px);
}
.stats-label { font-size: 12px; color: rgba(216, 231, 252, 0.56); letter-spacing: 0.18em; text-transform: uppercase; }
.stats-value { font-size: 2rem; font-weight: 900; color: #fff; margin-top: 10px; }
.stats-meta { font-size: 13px; color: rgba(223, 231, 245, 0.56); margin-top: 6px; }
.hero-preview-card { display: grid; grid-template-columns: 108px 1fr; gap: 16px; align-items: center; }
.hero-preview-art {
    width: 108px;
    height: 108px;
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(250,83,96,0.95), rgba(255,143,112,0.88));
    box-shadow: 0 24px 40px rgba(250,83,96,0.22);
    position: relative;
}
.hero-preview-art::after {
    content: "♫";
    position: absolute;
    right: 16px;
    bottom: 14px;
    font-size: 40px;
    font-weight: 900;
    color: rgba(255,255,255,0.82);
}
.hero-preview-body { min-width: 0; }
.section-surface { position: relative; }
.control-toolbar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}
.toolbar-label { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(216,231,252,0.48); margin-bottom: 10px; }
.chip-group { display: flex; flex-wrap: wrap; gap: 10px; }
.user-mini-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.10);
    padding: 8px 14px;
    border-radius: 18px;
    min-width: 120px;
    backdrop-filter: blur(12px);
}
.empty-state {
    padding: 44px 24px;
    text-align: center;
    background: rgba(255,255,255,0.05);
    border-radius: 28px;
    border: 1px dashed rgba(255,255,255,0.14);
    color: rgba(221,231,245,0.62);
}
.music-card { padding: 20px; border-radius: 28px; }
.music-cover-block {
    width: 96px;
    height: 96px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 18px 34px rgba(0,0,0,0.22);
    flex-shrink: 0;
}
.music-cover-block img,
.player-cover-image,
.detail-cover-image { width: 100%; height: 100%; object-fit: cover; display: block; }
.music-card-layout { display: grid; grid-template-columns: 96px 1fr; gap: 18px; align-items: center; }
.music-meta-row, .music-chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.music-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: rgba(233, 239, 247, 0.72);
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.08);
}
.music-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.player-track-meta { display: flex; align-items: center; gap: 14px; }
.player-cover-button {
    width: 72px;
    height: 72px;
    border: 0;
    padding: 0;
    background: none;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 16px 26px rgba(0,0,0,0.26);
}
.player-cover-image { border-radius: 24px; }
.detail-link-button {
    color: rgba(191, 219, 254, 0.84);
    background: transparent;
    border: 0;
    padding: 0;
}
.detail-link-button:hover { color: #fff; }
.song-detail-modal { border-radius: 34px; display: flex; flex-direction: column; }
.song-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 26px 28px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.detail-close-btn {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.10);
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.7);
}
.detail-close-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }
.song-detail-layout {
    display: grid;
    grid-template-columns: minmax(320px, 420px) 1fr;
    height: min(72vh, 760px);
    min-height: 0;
}
.song-detail-side {
    padding: 30px;
    min-height: 0;
    overflow-y: auto;
    border-right: 1px solid rgba(255,255,255,0.08);
    background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
}
.detail-art-wrap {
    width: 100%;
    max-width: 340px;
    margin: 0 auto 26px;
    padding: 12px;
    border-radius: 34px;
    background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
    box-shadow: 0 34px 60px rgba(0,0,0,0.24);
}
.detail-cover-image { aspect-ratio: 1; border-radius: 26px; }
.detail-song-meta { text-align: left; }
.detail-song-title { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.04; font-weight: 900; color: rgba(255,255,255,0.94); margin-top: 10px; }
.detail-song-subtitle { font-size: 1rem; color: rgba(229,235,244,0.65); margin-top: 10px; }
.detail-progress-card {
    margin-top: 28px;
    padding: 18px;
    border-radius: 24px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
}
.detail-progress-top { display: flex; justify-content: space-between; color: rgba(255,255,255,0.65); font-size: 13px; margin-bottom: 10px; }
.detail-control-row { display: flex; justify-content: center; gap: 16px; margin-top: 18px; }
.detail-control-btn {
    width: 56px;
    height: 56px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.10);
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 18px;
}
.detail-control-btn-primary { background: linear-gradient(135deg, #f45664, #ff7d63); border-color: transparent; box-shadow: 0 18px 30px rgba(244,86,100,0.25); }
.detail-info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 22px; }
.detail-info-item {
    padding: 14px 16px;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
}
.detail-info-item span { display: block; font-size: 12px; color: rgba(255,255,255,0.46); margin-bottom: 6px; }
.detail-info-item strong { display: block; font-size: 15px; color: rgba(255,255,255,0.92); }
.song-detail-lyrics { padding: 34px 36px; display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; }
.lyrics-panel-header { margin-bottom: 24px; }
.detail-lyrics-scroll { overflow-y: auto; flex: 1 1 auto; min-height: 0; max-height: 100%; padding-right: 10px; scroll-behavior: smooth; }
.detail-lyrics-list { display: flex; flex-direction: column; gap: 18px; }
.detail-lyric-line {
    font-size: clamp(1.05rem, 2.2vw, 1.8rem);
    line-height: 1.42;
    color: rgba(255,255,255,0.34);
    font-weight: 800;
    letter-spacing: -0.02em;
    transition: transform 0.22s ease, color 0.22s ease, opacity 0.22s ease;
}
.detail-lyric-line-muted { font-size: 1rem; color: rgba(255,255,255,0.56); font-weight: 500; }
.detail-lyric-line.active {
    color: rgba(255,255,255,0.92);
    transform: translateX(8px) scale(1.02);
}
.modal-card { max-height: 88vh; overflow: auto; }
.admin-list-stack { display: grid; gap: 16px; }
.admin-item-card {
    padding: 18px;
    border-radius: 22px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
}
.admin-item-header { display: flex; gap: 12px; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.admin-item-title { font-weight: 800; font-size: 18px; color: #fff; }
.admin-item-meta { font-size: 13px; color: rgba(224,232,242,0.58); margin-top: 6px; }
.admin-item-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.admin-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.76);
    font-size: 12px;
}
.admin-empty {
    text-align: center;
    padding: 32px 18px;
    border-radius: 22px;
    border: 1px dashed rgba(255,255,255,0.10);
    color: rgba(223,232,244,0.55);
}
.recommend-status-accepted { background: rgba(52,211,153,0.14); color: #6ee7b7; }
.recommend-status-rejected { background: rgba(251,113,133,0.14); color: #fda4af; }
.recommend-status-pending { background: rgba(251,191,36,0.14); color: #fde68a; }

/* 后台重绘 */
body#page-admin {
    background: #eef2f7;
    color: #1f2937;
}
body#page-admin::before,
body#page-admin::after { display: none; }
body#page-admin .neon-glass {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(14px);
}
body#page-admin .win-button {
    color: #334155;
    background: #f8fafc;
    border-color: rgba(148,163,184,0.22);
    box-shadow: none;
}
body#page-admin .win-button:hover {
    background: #eff6ff;
    border-color: rgba(96,165,250,0.38);
}
body#page-admin .modal-card {
    background: #fff;
}
body#page-admin .modal-card h3 { color: #0f172a; }
body#page-admin .modal-card .text-gray-400 { color: #64748b !important; }
body#page-admin .neon-input {
    background: #f8fafc;
    border: 1px solid rgba(148,163,184,0.28);
    color: #0f172a;
    box-shadow: none;
}
body#page-admin .neon-input::placeholder { color: #94a3b8; }
body#page-admin .neon-input:focus {
    border-color: rgba(59,130,246,0.6);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(59,130,246,0.10);
}
body#page-admin .admin-item-card {
    background: #f8fafc;
    border: 1px solid rgba(148,163,184,0.16);
}
body#page-admin .admin-item-title { color: #0f172a; }
body#page-admin .admin-item-meta { color: #64748b; }
body#page-admin .admin-empty { color: #64748b; border-color: rgba(148,163,184,0.22); }
body#page-admin .admin-tag { color: #2563eb; background: #eff6ff; border-color: rgba(96,165,250,0.22); }
body#page-admin .recommend-status-accepted { background: #ecfdf5; color: #059669; }
body#page-admin .recommend-status-rejected { background: #fff1f2; color: #e11d48; }
body#page-admin .recommend-status-pending { background: #fffbeb; color: #d97706; }

.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 18px;
    background: linear-gradient(180deg, #eaf1fb 0%, #f7f9fc 100%);
}
.admin-login-card-shell {
    width: min(920px, 100%);
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
    align-items: stretch;
}
.admin-login-brand,
.admin-login-form {
    background: #fff;
    border-radius: 30px;
    padding: 32px;
    box-shadow: 0 18px 46px rgba(15,23,42,0.08);
}
.admin-login-brand { display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.admin-brand-badge {
    width: 70px;
    height: 70px;
    border-radius: 24px;
    background: linear-gradient(135deg, #5ba2e8, #6bb1f0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 28px;
    box-shadow: 0 24px 40px rgba(59,130,246,0.22);
}
.admin-brand-kicker { color: #5ba2e8; font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; }
.admin-login-brand h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: #0f172a; line-height: 1.12; }
.admin-login-brand p { color: #64748b; line-height: 1.9; }
.admin-login-form h2 { font-size: 1.5rem; font-weight: 900; color: #0f172a; margin-bottom: 20px; }
.admin-login-form label { display: block; }
.admin-login-form span { display: block; font-size: 14px; color: #64748b; margin-bottom: 10px; }
.admin-login-form input {
    width: 100%;
    height: 52px;
    border-radius: 16px;
    border: 1px solid rgba(148,163,184,0.26);
    padding: 0 16px;
    background: #f8fafc;
    color: #0f172a;
}
.admin-login-form input:focus { outline: none; border-color: rgba(59,130,246,0.6); box-shadow: 0 0 0 4px rgba(59,130,246,0.12); background: #fff; }
.admin-login-form button {
    width: 100%;
    height: 48px;
    margin-top: 18px;
    border-radius: 16px;
    border: 0;
    background: linear-gradient(135deg, #4e9ce6, #1976f3);
    color: #fff;
    font-weight: 800;
    box-shadow: 0 16px 28px rgba(25,118,243,0.20);
}
.admin-login-status { min-height: 24px; margin-top: 16px; text-align: center; font-size: 14px; }

.admin-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
    background: #eef2f7;
}
.admin-sidebar {
    background: #fff;
    border-right: 1px solid rgba(148,163,184,0.14);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.admin-sidebar-brand { display: flex; gap: 14px; align-items: center; padding: 8px 10px 18px; }
.admin-sidebar-logo {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    background: linear-gradient(135deg, #5ba2e8, #74b6f4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.admin-sidebar-title { font-size: 15px; font-weight: 900; color: #0f172a; }
.admin-sidebar-subtitle { font-size: 12px; color: #64748b; margin-top: 4px; }
.admin-nav { display: grid; gap: 6px; }
.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 16px;
    color: #64748b;
    text-decoration: none;
    font-weight: 700;
}
.admin-nav-item:hover,
.admin-nav-item.is-active { background: #eff6ff; color: #2563eb; }
.admin-sidebar-footer { margin-top: auto; display: grid; gap: 10px; }
.admin-side-action {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid rgba(148,163,184,0.18);
    color: #334155;
    text-decoration: none;
    font-weight: 700;
}
.admin-side-action-primary {
    border: 0;
    background: linear-gradient(135deg, #1d8cf8, #1976f3);
    color: #fff;
    box-shadow: 0 18px 30px rgba(25,118,243,0.18);
}
.admin-main { min-width: 0; }
.admin-topbar {
    height: 96px;
    background: linear-gradient(90deg, #5ba2e8, #62a8eb);
    color: #fff;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.admin-topbar-menu {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.08);
    color: #fff;
}
.admin-topbar-kicker { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.76); }
.admin-topbar-title h2 { font-size: 2rem; font-weight: 900; }
.admin-topbar-right { font-weight: 700; }
.admin-content { padding: 28px 32px 40px; display: grid; gap: 22px; }
.admin-white-hero {
    background: #fff;
    border-radius: 28px;
    padding: 28px 32px;
    box-shadow: 0 16px 30px rgba(15,23,42,0.06);
}
.admin-panel-kicker { font-size: 12px; text-transform: uppercase; letter-spacing: 0.18em; color: #64748b; }
.admin-white-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: #0f172a; margin-top: 10px; line-height: 1.12; }
.admin-white-hero p { color: #64748b; margin-top: 12px; line-height: 1.8; max-width: 920px; }
.admin-home-grid { display: grid; grid-template-columns: minmax(290px, 360px) 1fr; gap: 22px; }
.admin-status-card,
.admin-shortcuts-card,
.admin-section-card {
    background: #fff;
    border-radius: 28px;
    padding: 24px;
    box-shadow: 0 16px 30px rgba(15,23,42,0.06);
}
.admin-status-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.admin-status-value { font-size: 2rem; font-weight: 900; color: #16a34a; margin-top: 6px; }
.admin-restart-btn {
    height: 42px;
    padding: 0 18px;
    border-radius: 14px;
    border: 0;
    background: linear-gradient(135deg, #1d8cf8, #1976f3);
    color: #fff;
    font-weight: 800;
}
.admin-mini-progress-list { display: grid; gap: 14px; margin-top: 22px; }
.admin-mini-progress-list div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-radius: 18px;
    background: #f8fafc;
}
.admin-mini-progress-list span { color: #64748b; }
.admin-mini-progress-list strong { color: #0f172a; font-size: 1.15rem; }
.admin-status-note { margin-top: 18px; color: #64748b; line-height: 1.8; font-size: 14px; }
.admin-section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.admin-section-dot { width: 22px; height: 8px; border-radius: 999px; background: #1d8cf8; margin-top: 9px; margin-right: 10px; }
.admin-section-heading h3 { font-size: 1.8rem; font-weight: 900; color: #0f172a; }
.admin-section-heading p { color: #64748b; line-height: 1.8; margin-top: 6px; }
.admin-shortcuts-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.admin-shortcut-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 16px;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid rgba(148,163,184,0.16);
    color: #0f172a;
    text-decoration: none;
    font-weight: 700;
}
.admin-shortcut-item i {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: #64748b;
    border: 1px solid rgba(148,163,184,0.14);
}
.admin-two-col-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.admin-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.admin-form-grid label,
.admin-simple-form { display: grid; gap: 10px; }
.admin-form-grid label span,
.admin-simple-form span { font-size: 14px; color: #64748b; font-weight: 600; }
.admin-form-grid input,
.admin-form-grid select,
.admin-form-grid textarea,
.admin-simple-form input,
.admin-simple-form textarea,
.admin-simple-form select {
    width: 100%;
    border-radius: 16px;
    border: 1px solid rgba(148,163,184,0.22);
    background: #f8fafc;
    padding: 0 16px;
    min-height: 50px;
    color: #0f172a;
}
.admin-form-grid textarea,
.admin-simple-form textarea { padding-top: 14px; padding-bottom: 14px; }
.admin-form-span-2 { grid-column: span 2; }
.admin-upload-hint { color: #64748b; background: #f8fafc; border: 1px dashed rgba(148,163,184,0.22); border-radius: 18px; padding: 14px 16px; line-height: 1.7; }
.admin-progress-track { height: 10px; border-radius: 999px; background: #dbeafe; overflow: hidden; }
.admin-progress-bar { height: 100%; border-radius: inherit; background: linear-gradient(90deg, #1d8cf8, #5ba2e8); }
.admin-progress-meta { display: flex; justify-content: space-between; margin-top: 10px; color: #64748b; font-size: 13px; }
.admin-form-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.admin-primary-btn,
.admin-gradient-btn {
    min-width: 160px;
    height: 48px;
    padding: 0 20px;
    border-radius: 16px;
    border: 0;
    color: #fff;
    font-weight: 800;
}
.admin-primary-btn { background: linear-gradient(135deg, #1d8cf8, #1976f3); box-shadow: 0 16px 28px rgba(25,118,243,0.18); }
.admin-gradient-purple { background: linear-gradient(135deg, #7c3aed, #db2777); }
.admin-gradient-orange { background: linear-gradient(135deg, #f59e0b, #f97316); }
.admin-inline-status { font-size: 14px; color: #64748b; min-height: 20px; }
.admin-simple-form { gap: 12px; }
.admin-simple-form textarea { min-height: 110px; }

/* 后台弹窗辅助 */
.admin-modal-stack { display: grid; gap: 14px; }
.admin-preview-box {
    max-height: 260px;
    overflow: auto;
    white-space: pre-wrap;
    line-height: 1.8;
    font-size: 14px;
    color: #334155;
    background: #f8fafc;
    border: 1px solid rgba(148,163,184,0.18);
    border-radius: 18px;
    padding: 16px;
}
.admin-preview-hint { font-size: 14px; color: #64748b; }
.admin-danger-link {
    background: #fff1f2;
    border: 1px solid rgba(244,63,94,0.18);
    color: #e11d48;
    border-radius: 14px;
    padding: 10px 14px;
    font-weight: 700;
}

@media (max-width: 1180px) {
    .song-detail-layout { grid-template-columns: 1fr; height: auto; }
    .song-detail-side { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.08); overflow: visible; }
    .detail-lyrics-scroll { max-height: min(42vh, 420px); }
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .admin-home-grid,
    .admin-two-col-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .admin-login-card-shell { grid-template-columns: 1fr; }
    .admin-shortcuts-grid,
    .admin-form-grid { grid-template-columns: 1fr; }
    .admin-form-span-2 { grid-column: span 1; }
    .admin-content { padding: 22px 18px 32px; }
    .admin-topbar { padding: 0 18px; }
    .admin-topbar-title h2 { font-size: 1.5rem; }
}
@media (max-width: 768px) {
    .hero-preview-card,
    .music-card-layout { grid-template-columns: 1fr; }
    .hero-preview-art { width: 96px; height: 96px; }
    .player-track-meta { width: 100%; }
    .song-detail-header,
    .song-detail-side,
    .song-detail-lyrics { padding: 20px; }
    .detail-song-title { font-size: 2.1rem; }
    .detail-info-grid { grid-template-columns: 1fr; }
    .detail-lyric-line { font-size: 1.45rem; }
}

/* ===== Bright theme refinements ===== */
body.app-bright {
    color: #334155;
    background:
        radial-gradient(circle at top left, rgba(96, 165, 250, 0.14), transparent 30%),
        radial-gradient(circle at top right, rgba(251, 191, 36, 0.10), transparent 24%),
        radial-gradient(circle at bottom center, rgba(125, 211, 252, 0.12), transparent 26%),
        linear-gradient(180deg, #f7fbff 0%, #eef6ff 46%, #f9fbff 100%);
}
body.app-bright::before { background: rgba(125, 211, 252, 0.10); }
body.app-bright::after { background: rgba(167, 139, 250, 0.10); }
body.app-bright .neon-glass,
body.app-bright .neon-card,
body.app-bright .neon-player,
body.app-bright .modal-card,
body.app-bright .song-detail-modal {
    background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.88));
    border-color: rgba(148, 163, 184, 0.18);
    box-shadow: 0 18px 40px rgba(148, 163, 184, 0.16);
    color: #334155;
}
body.app-bright .win11-topbar::after { background: linear-gradient(90deg, transparent, rgba(148,163,184,0.28), transparent); }
body.app-bright .win-badge,
body.app-bright .music-meta-pill,
body.app-bright .user-mini-card,
body.app-bright .detail-info-item,
body.app-bright .detail-progress-card,
body.app-bright .stats-card,
body.app-bright .empty-state {
    background: rgba(255,255,255,0.78);
    border-color: rgba(148, 163, 184, 0.18);
    color: #475569;
}
body.app-bright .win-button {
    color: #334155;
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(241,245,249,0.95));
    border-color: rgba(148,163,184,0.24);
    box-shadow: 0 10px 24px rgba(148, 163, 184, 0.12);
}
body.app-bright .win-button:hover { background: #fff; }
body.app-bright .neon-input {
    color: #0f172a;
    background: rgba(255,255,255,0.92);
    border-color: rgba(148,163,184,0.24);
}
body.app-bright .neon-input::placeholder { color: rgba(100,116,139,0.72); }
body.app-bright .toolbar-label,
body.app-bright .stats-label,
body.app-bright .stats-meta,
body.app-bright .win-subtitle,
body.app-bright .text-gray-400,
body.app-bright .text-gray-300,
body.app-bright .text-white\/55,
body.app-bright .text-white\/50,
body.app-bright .text-white\/45,
body.app-bright .text-amber-100\/60,
body.app-bright .text-blue-200\/60,
body.app-bright .text-blue-200\/55 {
    color: #64748b !important;
}
body.app-bright .text-white,
body.app-bright .stats-value,
body.app-bright #detailLyricHeadline,
body.app-bright #playerTitle,
body.app-bright .detail-song-title,
body.app-bright .admin-item-title,
body.app-bright .music-card h3 { color: #0f172a !important; }
body.app-bright #playerContextInfo,
body.app-bright #detailSongSubtitle,
body.app-bright #listHint,
body.app-bright .admin-item-meta { color: #64748b !important; }
body.app-bright .playing-card {
    background: linear-gradient(180deg, rgba(219,234,254,0.86), rgba(255,255,255,0.94)) !important;
    border-color: rgba(96, 165, 250, 0.38) !important;
    box-shadow: 0 18px 36px rgba(96, 165, 250, 0.14);
}
body.app-bright .player-track-meta,
body.app-bright .song-detail-layout,
body.app-bright .song-detail-side,
body.app-bright .song-detail-lyrics,
body.app-bright .lyrics-panel-header { color: #334155; }
body.app-bright .detail-control-btn { color: #334155; background: rgba(255,255,255,0.9); border: 1px solid rgba(148,163,184,0.2); }
body.app-bright .song-detail-side {
    background: linear-gradient(180deg, rgba(248,250,252,0.92), rgba(255,255,255,0.72));
    border-right-color: rgba(148,163,184,0.16);
}
body.app-bright .detail-art-wrap {
    background: linear-gradient(180deg, rgba(239,246,255,0.98), rgba(255,255,255,0.9));
    box-shadow: 0 22px 48px rgba(148,163,184,0.18);
}
body.app-bright .detail-progress-top,
body.app-bright .detail-info-item span {
    color: #64748b;
}
body.app-bright .detail-info-item strong {
    color: #0f172a;
}
body.app-bright .detail-lyric-line { color: #64748b; }
body.app-bright .detail-lyric-line.active { color: #0f172a; background: rgba(219,234,254,0.7); }
body.app-bright .detail-link-button { color: #2563eb; }
body.app-bright .bright-card { background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,250,252,0.92)); }
.music-pagination-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 16px 4px 0;
}
.music-pagination-meta {
    font-size: 12px;
    color: #64748b;
    letter-spacing: 0.04em;
}
.music-pagination-actions {
    display: flex;
    gap: 10px;
}
#detailLyricsContainer {
    overscroll-behavior: contain;
    scroll-behavior: smooth;
}
.admin-panel-view.hidden,
.admin-dashboard-only.hidden { display: none !important; }

/* ===== Profile & user system ===== */
.profile-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 24px;
    align-items: stretch;
}
.profile-hero-main {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.profile-avatar {
    width: 110px;
    height: 110px;
    border-radius: 32px;
    background: linear-gradient(135deg, #2563eb, #8b5cf6);
    color: #fff;
    font-size: 42px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 0 16px 28px rgba(37,99,235,0.20);
}
.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.profile-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.profile-favorite-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(148,163,184,0.18);
    padding: 10px 14px;
    border-radius: 999px;
}
.user-table {
    width: 100%;
    border-collapse: collapse;
}
.user-table th,
.user-table td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(226,232,240,0.92);
    text-align: left;
    vertical-align: top;
}
.user-table th {
    color: #64748b;
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.user-table tr:hover { background: rgba(248,250,252,0.72); }
.user-avatar-mini {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, #2563eb, #8b5cf6);
    color: #fff;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.user-avatar-mini img { width:100%; height:100%; object-fit:cover; }
.user-admin-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
    gap: 22px;
}
.report-status-pending { background: #fff7ed; color: #c2410c; }
.report-status-resolved { background: #ecfdf5; color: #047857; }
.report-status-rejected { background: #fef2f2; color: #b91c1c; }
@media (max-width: 1024px) {
    .profile-hero-grid,
    .user-admin-layout,
    .profile-stat-grid { grid-template-columns: 1fr; }
    .profile-hero-main { flex-direction: column; }
}


.notification-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: linear-gradient(135deg, #ef4444, #f97316);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.35);
}
.notification-item {
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(226,232,240,0.9);
    border-radius: 22px;
    padding: 16px 18px;
}
.notification-item.unread {
    border-color: rgba(96,165,250,0.45);
    box-shadow: 0 10px 28px rgba(59,130,246,0.12);
}
.notification-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #3b82f6;
    box-shadow: 0 0 0 5px rgba(59,130,246,0.12);
}
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}
.achievement-card {
    border-radius: 22px;
    padding: 16px;
    border: 1px solid rgba(226,232,240,0.95);
    background: rgba(255,255,255,0.92);
}
.achievement-card.is-achieved {
    border-color: rgba(251,191,36,0.45);
    box-shadow: 0 14px 28px rgba(251,191,36,0.14);
}
.achievement-progress {
    height: 8px;
    border-radius: 999px;
    background: rgba(226,232,240,0.9);
    overflow: hidden;
    margin-top: 10px;
}
.achievement-progress > span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(135deg, #22c55e, #3b82f6);
}
.bookmark-star-active {
    color: #f59e0b;
}


/* ===== Responsive enhancements + integrated online search ===== */
.app-shell-header .container { align-items: center; }
.online-search-shell { overflow: hidden; }
.online-source-switch {
    display: inline-flex;
    align-items: center;
    padding: 4px;
    gap: 4px;
    border-radius: 999px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(148,163,184,0.18);
}
.online-source-btn {
    border: 0;
    background: transparent;
    color: #475569;
    font-size: 13px;
    font-weight: 700;
    padding: 10px 16px;
    border-radius: 999px;
    transition: all .25s ease;
}
.online-source-btn.is-active {
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    box-shadow: 0 10px 24px rgba(37,99,235,0.22);
}
.online-search-bar {
    display: flex;
    gap: 14px;
    align-items: center;
}
.online-result-list {
    display: grid;
    gap: 14px;
}
.online-result-card {
    display: grid;
    grid-template-columns: auto 64px minmax(0,1fr) auto;
    gap: 16px;
    align-items: center;
    border-radius: 24px;
    padding: 16px 18px;
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(226,232,240,0.95);
    box-shadow: 0 18px 34px rgba(148,163,184,0.12);
}
.online-result-cover {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    object-fit: cover;
    box-shadow: 0 16px 28px rgba(15,23,42,0.14);
}
.online-result-index {
    width: 32px;
    text-align: center;
    font-size: 13px;
    font-weight: 800;
    color: #94a3b8;
}
.online-result-actions { display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; }
.online-player-card {
    margin-top: 20px;
    display: grid;
    grid-template-columns: auto minmax(0,1fr) auto;
    gap: 16px;
    align-items: center;
    border-radius: 28px;
    padding: 18px;
    background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(241,245,249,0.92));
    border: 1px solid rgba(226,232,240,0.95);
}
.online-player-cover-wrap { width: 72px; height: 72px; }
.online-player-cover, .online-detail-cover { width:100%; height:100%; object-fit:cover; border-radius: 22px; box-shadow: 0 16px 28px rgba(15,23,42,0.16); }
.online-progress-row { display:flex; align-items:center; gap:10px; font-size:12px; color:#64748b; }
.online-player-actions { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.online-detail-shell { max-height: min(88vh, 920px); overflow:hidden; }
.online-detail-layout { display:grid; grid-template-columns: minmax(280px, 360px) minmax(0, 1fr); min-height:0; }
.online-detail-side { padding: 24px; border-right:1px solid rgba(255,255,255,0.08); display:flex; flex-direction:column; gap:18px; background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)); }
.online-detail-cover-frame { width: min(100%, 280px); }
.online-detail-cover { aspect-ratio:1/1; border-radius:28px; }
.online-detail-meta { display:grid; gap:10px; padding:16px; border-radius:22px; background: rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.08); }
.online-detail-meta div { display:flex; justify-content:space-between; gap:14px; color:rgba(255,255,255,0.68); font-size:13px; }
.online-detail-meta strong { color:#fff; text-align:right; }
.online-detail-lyrics { padding: 24px; display:flex; flex-direction:column; gap:18px; min-width:0; }
.online-detail-lyrics-scroll { flex:1; overflow:auto; padding-right: 6px; }
.online-detail-lyrics-list { display:grid; gap:16px; padding-bottom:24px; }
.online-lyric-line { font-size: clamp(1rem, 1.8vw, 1.4rem); line-height:1.5; color:rgba(255,255,255,0.34); font-weight:800; transition:all .25s ease; }
.online-lyric-line.is-active { color:#fff; transform:translateX(8px) scale(1.02); }
@media (max-width: 1200px) {
    .win11-topbar .container { flex-direction: column; align-items: stretch; }
    .win11-topbar .container > div:last-child { justify-content: flex-start; }
}
@media (max-width: 1024px) {
    .online-detail-layout,
    .hero-panel .relative.z-10,
    .online-player-card { grid-template-columns: 1fr; }
    .online-detail-side { border-right:0; border-bottom:1px solid rgba(255,255,255,0.08); }
    .player-track-meta { width: 100%; }
}
@media (max-width: 768px) {
    body#page-index { padding-bottom: 190px; }
    .hero-action-row,
    .control-toolbar,
    .online-search-bar,
    .online-result-card { grid-template-columns: 1fr; display:grid; }
    .online-result-card { justify-items: start; }
    .online-result-actions { width: 100%; justify-content: flex-start; }
    .modal-card { max-height: calc(100vh - 32px); overflow:auto; }
    .detail-layout, .song-detail-layout { grid-template-columns: 1fr !important; }
}
@media (max-width: 640px) {
    .win11-topbar .container { padding-top: 14px; padding-bottom: 14px; }
    .win11-topbar a.win-button, .win11-topbar button.win-button { width: 100%; justify-content: center; }
    .hero-panel { padding: 22px 18px; }
    .stats-card, .bright-card { padding: 18px; }
    .online-source-switch { width: 100%; justify-content: space-between; }
    .online-source-btn { flex: 1; text-align: center; }
    .online-player-actions { justify-content: stretch; }
    .online-player-actions > * { flex: 1; justify-content: center; display:inline-flex; }
    .online-detail-side, .online-detail-lyrics { padding: 18px; }
}
