:root {
  color-scheme: light;
  --bg: #f4f7fb; --bg-deep: #e8eef7; --surface: rgba(255,255,255,.74); --surface-solid: #fff;
  --line: rgba(18,43,74,.12); --line-strong: rgba(18,43,74,.2); --text: #14263d; --muted: #687b91;
  --brand: #2474e8; --brand-strong: #1557bd; --brand-soft: #e8f1ff; --cyan: #09a8c9;
  --good: #168b68; --warn: #b86b08; --bad: #c83b5a; --shadow: 0 24px 70px rgba(31,65,103,.12);
  --radius: 24px; --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --bg:#091523; --bg-deep:#101f33; --surface:rgba(18,36,58,.76); --surface-solid:#132945;
    --line:rgba(187,220,255,.15); --line-strong:rgba(187,220,255,.26); --text:#edf6ff; --muted:#91a7bc;
    --brand:#63b7ff; --brand-strong:#9bd4ff; --brand-soft:rgba(67,143,224,.2); --shadow:0 24px 70px rgba(0,0,0,.32); }
}
* { box-sizing:border-box; } html { min-width:320px; scroll-behavior:smooth; } body { margin:0; min-height:100vh; color:var(--text); font:15px/1.6 var(--font); background:radial-gradient(circle at 12% 0%, color-mix(in srgb,var(--brand) 14%,transparent), transparent 32rem), linear-gradient(135deg,var(--bg),var(--bg-deep)); overflow-x:hidden; }
body:before { content:""; position:fixed; inset:0; pointer-events:none; opacity:.35; background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size:56px 56px; mask-image:linear-gradient(#000,transparent 75%); }
a { color:var(--brand); } button,input,select { font:inherit; } button { cursor:pointer; } button:disabled { cursor:not-allowed; opacity:.48; }
.shell { position:relative; z-index:1; width:min(1240px,calc(100% - 32px)); min-height:100vh; margin:auto; padding:32px 0 48px; }
.topbar,.panel,.hero,.gate { border:1px solid var(--line); background:var(--surface); backdrop-filter:blur(24px) saturate(150%); box-shadow:var(--shadow); }
.topbar { display:flex; align-items:center; justify-content:space-between; gap:20px; padding:16px 20px; border-radius:18px; }
.brand { display:flex; align-items:center; gap:12px; min-width:0; } .brand-mark { width:38px; height:38px; display:block; flex:0 0 auto; object-fit:contain; border-radius:13px; }
.brand strong { display:block; font-size:16px; } .brand small,.kicker,.muted { color:var(--muted); } .brand small { font-size:11px; letter-spacing:.08em; }
.actions { display:flex; flex-wrap:wrap; gap:9px; justify-content:flex-end; } .btn { min-height:42px; padding:10px 16px; border:1px solid var(--line-strong); border-radius:12px; color:var(--text); background:var(--surface); transition:.2s ease; text-decoration:none; display:inline-flex; align-items:center; justify-content:center; gap:7px; } .btn:hover { transform:translateY(-2px); border-color:var(--brand); } .btn.primary { color:#fff; border-color:transparent; background:linear-gradient(135deg,var(--brand),var(--cyan)); box-shadow:0 10px 22px color-mix(in srgb,var(--brand) 25%,transparent); } .btn.quiet { background:transparent; box-shadow:none; }
.hero { position:relative; overflow:hidden; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:24px; align-items:end; margin-top:18px; padding:38px; border-radius:var(--radius); } .hero:after { content:""; position:absolute; width:280px; height:280px; right:8%; top:-160px; border-radius:50%; background:color-mix(in srgb,var(--cyan) 25%,transparent); filter:blur(65px); } .kicker { text-transform:uppercase; letter-spacing:.18em; font-size:11px; font-weight:800; color:var(--brand); } h1,h2,h3,p { margin:0; } .hero h1 { position:relative; z-index:1; max-width:720px; margin:8px 0 12px; font-size:clamp(32px,5vw,68px); line-height:1.02; letter-spacing:-.06em; } .hero p { max-width:620px; color:var(--muted); } .hero-stat { position:relative; z-index:1; padding-left:22px; border-left:1px solid var(--line); color:var(--muted); } .hero-stat b { display:block; color:var(--text); font-size:48px; line-height:1; }
.notice { margin-top:16px; padding:13px 16px; border:1px solid color-mix(in srgb,var(--warn) 30%,transparent); border-radius:14px; color:var(--warn); background:color-mix(in srgb,var(--warn) 10%,var(--surface)); }
.grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; margin-top:18px; } .panel { border-radius:20px; padding:22px; } .panel-head { display:flex; justify-content:space-between; align-items:center; gap:12px; padding-bottom:15px; border-bottom:1px solid var(--line); } .panel-head h2 { font-size:20px; } .list { display:grid; gap:10px; margin-top:15px; }
.song { display:grid; grid-template-columns:1fr auto; gap:12px; padding:16px; border:1px solid var(--line); border-radius:16px; background:color-mix(in srgb,var(--surface-solid) 48%,transparent); transition:.2s ease; } .song:hover { transform:translateY(-2px); border-color:var(--brand); } .song h3 { font-size:15px; } .song p { margin-top:3px; color:var(--muted); font-size:13px; } .song-side { text-align:right; } .votes { color:var(--brand); font-weight:800; } .song-actions { display:flex; gap:7px; margin-top:12px; flex-wrap:wrap; }
.gate-wrap,.form-wrap { width:min(520px,100%); margin:8vh auto 0; } .gate,.form-card { padding:34px; border-radius:28px; } .gate .brand-mark,.form-card .brand-mark { margin-bottom:22px; } .gate h1,.form-card h1 { font-size:32px; letter-spacing:-.05em; } .gate p,.form-card > p { margin-top:8px; color:var(--muted); } .field { display:grid; gap:7px; margin-top:18px; } .field label { font-size:13px; font-weight:700; } .input { width:100%; min-height:46px; padding:11px 13px; border:1px solid var(--line-strong); border-radius:12px; color:var(--text); background:color-mix(in srgb,var(--surface-solid) 75%,transparent); outline:none; } .input:focus { border-color:var(--brand); box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 18%,transparent); } .form-actions { display:flex; gap:10px; margin-top:22px; } .form-actions .btn { flex:1; } .message { min-height:24px; margin-top:12px; color:var(--bad); }
.page-head { display:flex; justify-content:space-between; align-items:center; gap:15px; margin-bottom:18px; } .page-head h1 { font-size:clamp(24px,4vw,40px); letter-spacing:-.05em; } .schedule-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; } .week { padding:20px; border:1px solid var(--line); border-radius:18px; background:var(--surface); } .week.current { border-color:color-mix(in srgb,var(--brand) 60%,transparent); box-shadow:0 12px 34px color-mix(in srgb,var(--brand) 12%,transparent); } .week h2 { font-size:17px; } .slot-title { margin-top:18px; color:var(--brand); font-size:12px; font-weight:800; } .slot { display:grid; grid-template-columns:24px 1fr; gap:7px; padding:10px 0; border-bottom:1px solid var(--line); font-size:13px; } .slot span:last-child { color:var(--muted); font-size:11px; grid-column:2; }
.admin-layout { display:grid; grid-template-columns:210px 1fr; gap:18px; margin-top:18px; } .admin-nav { align-self:start; display:grid; gap:6px; position:sticky; top:18px; } .admin-nav button { text-align:left; border:0; padding:12px 14px; border-radius:12px; color:var(--muted); background:transparent; } .admin-nav button.active,.admin-nav button:hover { color:var(--brand); background:var(--brand-soft); } .admin-row { display:flex; justify-content:space-between; align-items:center; gap:14px; padding:15px 0; border-bottom:1px solid var(--line); } .admin-row:last-child { border-bottom:0; } .admin-row .actions { flex-shrink:0; }
.admin-row .input { width:min(210px,38vw); } .danger { color:var(--bad); } .toolbar { display:flex; align-items:end; flex-wrap:wrap; gap:12px; margin:4px 0 20px; } .toolbar .field { flex:1 1 150px; margin:0; } .toolbar .input { min-width:0; } .admin-schedule { margin-top:18px; } .admin-schedule .week { min-width:0; padding:15px; } .admin-schedule .panel-head { align-items:center; padding-bottom:10px; } .admin-schedule .slot { grid-template-columns:20px minmax(0,1fr) auto; align-items:center; gap:6px; } .settings-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; } .settings-card { min-width:0; padding:18px; border:1px solid var(--line); border-radius:16px; background:color-mix(in srgb,var(--surface-solid) 45%,transparent); } .settings-card h3 { margin-bottom:8px; font-size:16px; } .settings-card > .btn { margin-top:14px; } .settings-card .admin-row { flex-wrap:wrap; } .settings-card .admin-row > div { flex:1 1 100%; }
 .footer { margin-top:36px; padding-top:18px; color:var(--muted); border-top:1px solid var(--line); text-align:center; font-size:12px; } .toast { position:fixed; z-index:5; left:50%; bottom:22px; transform:translateX(-50%); padding:12px 17px; border-radius:999px; color:#fff; background:#13263d; box-shadow:var(--shadow); }
.settings-form { display:flex; flex-wrap:wrap; align-items:center; gap:8px; margin-top:12px; } .settings-form .input { flex:1 1 145px; min-width:0; } .class-settings-list { display:grid; gap:10px; margin-top:14px; } .settings-class { padding:12px; border:1px solid var(--line); border-radius:14px; background:color-mix(in srgb,var(--surface-solid) 42%,transparent); } .settings-class-head { display:flex; flex-wrap:wrap; align-items:baseline; gap:6px 12px; } .settings-class .settings-form { margin-top:9px; } .settings-class .btn { min-height:38px; padding:7px 10px; font-size:13px; }
.announcement-stack { display:grid; gap:10px; margin-top:14px; } .announcement,.inbox,.report-card,.suggestion-card { padding:16px; border:1px solid var(--line); border-radius:16px; background:color-mix(in srgb,var(--surface-solid) 48%,transparent); } .announcement h3 { margin:4px 0; } .announcement p:last-child { white-space:pre-wrap; color:var(--muted); } .rank-tabs { display:none; }
.wide { width:min(860px,100%); } .wide textarea { min-height:100px; resize:vertical; } .rules { margin:16px 0; padding:14px; border:1px solid var(--line); border-radius:14px; color:var(--muted); } .rules summary { color:var(--text); cursor:pointer; font-weight:700; }
.admin-song { align-items:flex-start; } .admin-song-info { flex:1; min-width:0; } .admin-song .actions { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:6px; } .category-select { display:inline-block; width:auto; min-width:130px; min-height:40px; padding:7px 10px; } .inline-player { margin-top:10px; } audio { width:min(100%,420px); height:38px; } .inbox { margin:14px 0; } .inbox h3 { margin-bottom:10px; } .report-card { margin-top:10px; } .report-card ul { padding-left:20px; margin:8px 0; color:var(--muted); } .suggestion-card { margin:10px 0; } .glass-dialog { width:min(600px,calc(100% - 24px)); max-height:85vh; overflow:auto; padding:24px; border:1px solid var(--line); border-radius:22px; color:var(--text); background:var(--surface-solid); box-shadow:var(--shadow); } .glass-dialog::backdrop { background:rgba(5,15,28,.55); backdrop-filter:blur(5px); } .dialog-close { float:right; min-height:34px; padding:3px 11px; } #announcementForm { display:grid; gap:10px; margin-bottom:18px; } #announcementForm .input { margin-top:4px; } .rank-tabs button { border:0; border-radius:999px; padding:9px 16px; color:var(--muted); background:transparent; }
@media (max-width:800px) { .shell { width:min(calc(100% - 24px),640px); padding-top:14px; } .topbar { align-items:stretch; flex-direction:column; overflow:hidden; } .topbar .actions { width:100%; justify-content:stretch; flex-wrap:wrap; } .topbar .actions .btn { flex:1 1 110px; min-width:0; } .hero { grid-template-columns:1fr; padding:26px 22px; } .hero-stat { border:0; border-top:1px solid var(--line); padding:15px 0 0; } .grid,.schedule-grid { grid-template-columns:1fr; } .admin-layout { grid-template-columns:1fr; } .admin-nav { position:static; display:flex; overflow:auto; padding:5px; } .admin-nav button { white-space:nowrap; } .settings-grid { grid-template-columns:1fr; } }
@media (max-width:800px) { .admin-song { display:grid; } .admin-song .actions { justify-content:flex-start; } .admin-nav { gap:3px; } .admin-nav button { padding:9px 11px; } }
@media (max-width:800px) { .topbar { align-items:center; flex-direction:row; gap:8px; padding:9px 10px; } .topbar .brand { flex:0 0 auto; gap:7px; } .topbar .brand-mark { width:30px; height:30px; border-radius:10px; } .topbar .brand strong { font-size:13px; white-space:nowrap; } .topbar .brand small { font-size:8px; letter-spacing:.04em; white-space:nowrap; } .topbar .actions { width:auto; min-width:0; flex:1 1 auto; flex-wrap:wrap; justify-content:flex-end; overflow:visible; gap:6px; } .topbar .actions .btn { flex:0 1 auto; min-width:0; min-height:34px; padding:6px 8px; font-size:12px; white-space:nowrap; } }
@media (max-width:520px) { .topbar { align-items:flex-start; flex-direction:column; gap:8px; } .topbar .brand { align-self:flex-start; } .topbar .actions { width:100%; justify-content:flex-start; } .topbar .actions .btn { flex:0 1 auto; } }
@media (max-width:520px) { .shell { width:calc(100% - 20px); padding-top:8px; } .gate-wrap,.form-wrap { margin-top:3vh; } .gate,.form-card { padding:18px 15px; border-radius:20px; } .gate .brand-mark,.form-card .brand-mark { margin-bottom:12px; } .gate h1,.form-card h1 { font-size:24px; } .gate p { margin-top:5px; font-size:14px; } .gate .field { gap:5px; margin-top:12px; } .gate .input { min-height:42px; padding:9px 12px; } .gate .form-actions { flex-direction:row; gap:8px; margin-top:14px; } .gate .form-actions .btn { min-height:40px; padding:8px 10px; font-size:13px; } .gate .message { min-height:18px; margin-top:6px; } .gate .announcement-stack { gap:7px; margin-top:8px; } .gate .announcement { padding:10px 12px; } .form-actions { flex-direction:column; } .page-head { align-items:flex-start; flex-direction:column; } .song { grid-template-columns:1fr; } .song-side { text-align:left; } }
@media (prefers-reduced-motion:reduce) { *,*:before,*:after { animation-duration:.01ms!important; transition-duration:.01ms!important; scroll-behavior:auto!important; } }
.grecaptcha-badge { visibility:hidden !important; }
.recaptcha-disclosure { margin:18px auto 0; color:var(--muted); text-align:center; font-size:11px; }
.recaptcha-disclosure a { color:inherit; }
.verification-note { position:fixed; z-index:20; left:50%; bottom:24px; display:flex; align-items:center; gap:11px; width:max-content; max-width:min(560px,calc(100vw - 28px)); padding:13px 18px; border:1px solid color-mix(in srgb,var(--brand) 24%,var(--line)); border-radius:18px; color:var(--text); background:color-mix(in srgb,var(--surface-solid) 82%,transparent); box-shadow:0 16px 48px rgba(20,48,82,.2); backdrop-filter:blur(20px) saturate(160%); transform:translateX(-50%); animation:verification-pop .24s ease-out; font-size:14px; line-height:1.45; }
.verification-note[hidden] { display:none; }
.verification-paw { flex:none; font-size:20px; animation:verification-pulse 1.2s ease-in-out infinite; }
@keyframes verification-pop { from { opacity:0; translate:0 8px; } to { opacity:1; translate:0 0; } }
@keyframes verification-pulse { 50% { transform:rotate(-12deg) scale(1.14); } }
@media (max-width:520px) { .verification-note { bottom:14px; padding:11px 14px; font-size:13px; } }
@media (prefers-reduced-motion:reduce) { .verification-paw { animation:none; } }
.track-dialog { width:min(760px,calc(100% - 24px)); max-height:min(82vh,780px); overflow:hidden; padding:0; }
.track-dialog-head { position:sticky; top:0; z-index:1; display:flex; align-items:center; justify-content:space-between; gap:14px; padding:20px 24px 16px; border-bottom:1px solid var(--line); background:var(--surface-solid); }
.track-dialog-head h2 { margin:2px 0; font-size:21px; }
.track-results { display:grid; gap:10px; max-height:calc(min(82vh,780px) - 100px); overflow-y:auto; overscroll-behavior:contain; padding:16px 20px 22px; }
.track-option { align-items:center; }
.track-option > div:first-child { min-width:0; }
.track-option small { display:block; margin-top:3px; }
.track-option .song-actions { margin-top:9px; }
.track-option > .muted { max-width:150px; text-align:right; font-size:12px; }
@media (max-width:520px) { .track-dialog { max-height:86vh; border-radius:18px; } .track-dialog-head { padding:15px 16px 12px; } .track-results { max-height:calc(86vh - 86px); padding:12px; } .track-option { grid-template-columns:1fr; gap:5px; padding:13px; } .track-option > .muted { max-width:none; text-align:left; } .track-option .song-actions .btn { min-height:38px; padding:8px 11px; font-size:13px; } }