:root{color-scheme:dark;--bg: #06080f;--bg-elevated: rgba(18, 24, 42, .72);--border: rgba(120, 140, 220, .18);--text: #f4f6ff;--muted: #8b97c4;--accent: #6d8bff;--accent-2: #45e6d0;--danger: #ff6b8a;--glow: rgba(109, 139, 255, .35);--radius: 14px;--sidebar-w: 260px;--sidebar-collapsed-w: 76px;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);overflow-x:hidden}button,input,select{font:inherit}.hidden{display:none!important}.muted{color:var(--muted)}.mono,.deeplink{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all;font-size:.85rem}.bg-mesh{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse 80% 50% at 20% -10%,rgba(109,139,255,.22),transparent 55%),radial-gradient(ellipse 60% 40% at 90% 10%,rgba(69,230,208,.12),transparent 50%),radial-gradient(ellipse 50% 30% at 50% 100%,rgba(255,107,138,.08),transparent 50%);z-index:0}.bg-grid{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 80%);mask-image:radial-gradient(ellipse at center,black 30%,transparent 80%);z-index:0}.glass{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 8px 32px #00000059}.app{position:relative;z-index:1;display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh;transition:grid-template-columns .25s ease}.app.sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-w) 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:20px 14px;border-right:1px solid var(--border);background:#080c16d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:flex;flex-direction:column;gap:12px;overflow:hidden}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:8px 10px}.logo-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-family:Syne,Inter,sans-serif;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#041018;box-shadow:0 0 24px var(--glow)}.logo-mark.lg{width:56px;height:56px;font-size:1.4rem;margin:0 auto 12px}.logo-text{display:flex;flex-direction:column;line-height:1.2;transition:opacity .2s}.logo-text strong{font-family:Syne,Inter,sans-serif;letter-spacing:.02em}.logo-text span{font-size:.75rem;color:var(--muted)}.sidebar-collapsed .logo-text,.sidebar-collapsed .nav-label,.sidebar-collapsed .user-email,.sidebar-collapsed .build-stamp{opacity:0;width:0;overflow:hidden}.sidebar-nav{display:flex;flex-direction:column;gap:6px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--text);cursor:pointer;transition:.2s ease;text-align:left}.nav-item:hover,.nav-item.active{background:#6d8bff1f;border-color:#6d8bff40}.nav-item.danger:hover{background:#ff6b8a1f;border-color:#ff6b8a4d}.nav-icon{width:24px;text-align:center;flex-shrink:0}.sidebar-footer{display:flex;flex-direction:column;gap:6px}.user-chip{display:flex;align-items:center;gap:10px;padding:10px 14px;font-size:.85rem}.user-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 10px var(--accent-2);flex-shrink:0}.build-stamp{font-size:.7rem;padding:0 14px;margin:4px 0 0}.sidebar-toggle{position:absolute;right:-12px;top:72px;width:24px;height:24px;border-radius:50%;border:1px solid var(--border);background:#12182a;color:var(--text);cursor:pointer;display:grid;place-items:center;font-size:.75rem}.main-column{display:flex;flex-direction:column;min-width:0;min-height:100vh}.topbar{display:flex;align-items:center;gap:16px;padding:16px 24px;border-bottom:1px solid var(--border);background:#080c1699;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.topbar-title{flex:1;display:flex;flex-direction:column;gap:2px}.topbar-kicker{font-family:Syne,Inter,sans-serif;font-weight:600}.topbar-note{font-size:.75rem}.view-root{flex:1;padding:24px 24px 120px}.btn-primary,button.btn-primary{background:linear-gradient(135deg,var(--accent),#5570e8);color:#fff;border:0;border-radius:10px;padding:11px 18px;cursor:pointer;font-weight:600;transition:transform .15s,box-shadow .15s}.btn-primary.glow{box-shadow:0 0 24px var(--glow)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 0 32px var(--glow)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-primary.full{width:100%}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:8px 14px;cursor:pointer}.btn-ghost.btn-sm{padding:6px 10px;font-size:.85rem}.btn-back{display:inline-flex;align-items:center;gap:8px;background:#ffffff0a;border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:8px 14px;cursor:pointer;margin-bottom:12px}.btn-back:hover{color:var(--text);border-color:#6d8bff66}.btn-icon{display:none;background:transparent;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;cursor:pointer}.link-btn{background:none;border:0;color:var(--accent-2);cursor:pointer;text-decoration:underline;padding:0}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;position:relative}.auth-card{width:min(440px,100%);padding:32px}.auth-brand{text-align:center;margin-bottom:24px}.auth-brand h1{font-family:Syne,Inter,sans-serif;margin:0 0 6px}.auth-form label{display:grid;gap:6px;margin-bottom:14px;font-size:.9rem}.auth-form input{background:#00000040;border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:var(--text)}.auth-switch{text-align:center;margin-top:18px}.auth-note{margin-top:20px;font-size:.8rem;line-height:1.5}.center{text-align:center}.alert{background:#ff6b8a1f;border:1px solid rgba(255,107,138,.35);color:#ffc7d4;padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:.9rem}.alert.info{background:#45e6d01a;border-color:#45e6d059;color:#b8fff5}.dashboard{display:grid;gap:20px}.hero{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 32px}.hero-kicker{color:var(--accent-2);font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;margin:0 0 6px}.hero-title{font-family:Syne,Inter,sans-serif;font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 8px}.hero-sub{margin:0;max-width:520px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stat-card{padding:18px 20px;display:flex;flex-direction:column;gap:4px}.stat-card.accent{border-color:#45e6d059;box-shadow:inset 0 0 30px #45e6d00f}.stat-value{font-family:Syne,Inter,sans-serif;font-size:1.8rem;font-weight:700}.stat-label{color:var(--muted);font-size:.85rem}.section-head{display:flex;align-items:center;justify-content:space-between}.section-head h2{margin:0;font-family:Syne,Inter,sans-serif}.content-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.content-grid.full{margin-top:8px}.content-card{position:relative;display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;padding:18px;border-radius:var(--radius);border:1px solid var(--border);background:#0e1424cc;cursor:pointer;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}.content-card--thumb{grid-template-columns:1fr auto;align-items:end;min-height:168px;padding:16px 18px}.content-card-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;background-repeat:no-repeat;transform:scale(1);transition:transform .35s ease}.content-card-scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#080c1833,#080c188c 42%,#080c18eb);pointer-events:none}.content-card--thumb .content-card-body h3{text-shadow:0 1px 12px rgba(0,0,0,.45)}.content-card--thumb:hover .content-card-bg,.content-card--thumb:focus-visible .content-card-bg{transform:scale(1.04)}.content-card:hover,.content-card:focus-visible{transform:translateY(-3px);border-color:#6d8bff73;box-shadow:0 12px 40px #00000059,0 0 24px #6d8bff1f;outline:none}.content-card-glow{position:absolute;inset:auto -20% -60% -20%;height:80%;background:radial-gradient(ellipse,rgba(109,139,255,.15),transparent 70%);pointer-events:none;opacity:0;transition:opacity .2s}.content-card:hover .content-card-glow{opacity:1}.content-card-icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-family:Syne,Inter,sans-serif;font-weight:700;background:linear-gradient(135deg,#6d8bff40,#45e6d026);border:1px solid var(--border)}.content-card-body h3{margin:0 0 8px;font-size:1rem}.content-card--thumb .content-card-body{position:relative;z-index:1}.content-card--thumb .content-card-arrow{position:relative;z-index:1;align-self:end}.content-card-meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.detail-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}.btn-danger{background:#ff6b8a24;border:1px solid rgba(255,107,138,.4);color:#ffb3c4;border-radius:10px;padding:11px 18px;cursor:pointer;font-weight:600;transition:background .15s,border-color .15s}.btn-danger:hover:not(:disabled){background:#ff6b8a3d;border-color:#ff6b8a99}.btn-danger:disabled{opacity:.45;cursor:not-allowed}.content-card-arrow{color:var(--muted);font-size:1.2rem}.type-pill,.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase}.type-pill{background:#ffffff0f;color:var(--muted)}.badge-ready{background:#45e6d026;color:#7dffe9}.badge-processing{background:#6d8bff26;color:#a8bdff}.badge-failed{background:#ff6b8a26;color:#ff9cb0}.badge-published{background:#45e6d033;color:#45e6d0}.badge-draft{background:#ffffff0f;color:var(--muted)}.poll-hint{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.55}}.empty-state,.loading-block{padding:48px 32px;text-align:center}.spinner{width:36px;height:36px;border-radius:50%;border:3px solid rgba(109,139,255,.2);border-top-color:var(--accent);animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}.page-top{margin-bottom:20px}.page-title{font-family:Syne,Inter,sans-serif;margin:0;font-size:1.6rem}.page-sub{margin:6px 0 0;color:var(--muted);font-size:.9rem}.upload-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:24px}.upload-form label,.upload-form .lyrics-fieldset{display:grid;gap:6px;margin-bottom:14px}.upload-form .lyrics-fieldset{margin-bottom:14px}.upload-form input,.upload-form select{background:#00000040;border:1px solid var(--border);border-radius:10px;padding:10px 12px;color:var(--text)}.field-label{display:inline-flex;align-items:center;gap:8px}.help-tip{position:relative;display:inline-flex}.help-tip-icon{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;border:1px solid rgba(109,139,255,.45);background:#6d8bff1f;color:var(--accent-2);font-size:.72rem;font-weight:700;cursor:help;line-height:1}.help-tip-body{display:none;position:absolute;left:0;top:calc(100% + 8px);z-index:30;width:min(420px,88vw);padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#080c18fa;box-shadow:0 12px 40px #00000073;font-size:.78rem;line-height:1.55;color:var(--muted);text-align:left;font-weight:400}.help-tip-body strong{color:var(--text);display:block;margin-bottom:4px}.help-tip-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.72rem;color:#b8c7ff;word-break:break-all}.help-tip:hover .help-tip-body,.help-tip:focus-within .help-tip-body{display:block}.field-with-tip{position:relative}.lyrics-fieldset{border:none;margin:0 0 14px;padding:0;min-width:0}.lyrics-fieldset:disabled{opacity:.45}.lyrics-fieldset:disabled .help-tip-body{display:none!important}.lyrics-audio-only{margin-left:6px;font-size:.82rem;color:var(--muted);font-weight:400}.field-disabled{pointer-events:none}.field-disabled input:disabled{cursor:not-allowed}.step-list{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}.step-list li{padding:10px 12px;border-radius:10px;border:1px solid var(--border);color:var(--muted);font-size:.9rem}.step-list li.active{border-color:#6d8bff80;color:var(--text);background:#6d8bff1a}.step-list li.done{border-color:#45e6d059;color:#9dffe9}.flow-log{white-space:pre-wrap;background:#0000004d;padding:12px;border-radius:10px;font-size:.82rem;max-height:200px;overflow:auto;margin:0}.detail-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.detail-main,.detail-preview{padding:22px}.detail-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.detail-head>div{display:flex;flex-wrap:wrap;gap:8px}.status-dl{display:grid;grid-template-columns:140px 1fr;gap:10px 14px;margin:0 0 18px;font-size:.88rem}.status-dl dt{color:var(--muted)}.status-dl dd{margin:0;word-break:break-all}.preview-media{display:grid;gap:12px}.preview-media.audio-only video{max-height:72px}#artwork{width:100%;max-width:280px;border-radius:10px;object-fit:cover}.lyrics-preview{max-height:220px;overflow:auto;white-space:pre-wrap;background:#0000004d;padding:12px;border-radius:10px;font-size:.82rem;margin:0}.lyrics-panel{margin-top:16px;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:linear-gradient(180deg,#0a0e1cf2,#060810fa)}.lyrics-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid var(--border)}.lyrics-panel-head h3{margin:0;font-size:.95rem;font-family:Syne,Inter,sans-serif}.lyrics-panel-tabs{display:flex;gap:6px}.lyrics-tab{background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:5px 12px;font-size:.78rem;cursor:pointer}.lyrics-tab.active{color:var(--text);border-color:#6d8bff73;background:#6d8bff24}.lyrics-sync{position:relative;height:280px;overflow:auto;padding:48px 20px;text-align:center;scroll-behavior:smooth;-webkit-mask-image:linear-gradient(180deg,transparent 0%,black 18%,black 82%,transparent 100%);mask-image:linear-gradient(180deg,transparent 0%,black 18%,black 82%,transparent 100%)}.lyrics-sync:before{content:"";position:sticky;top:50%;display:block;width:100%;height:0;pointer-events:none}.lyric-line{margin:0 0 18px;font-size:1rem;line-height:1.55;color:#f4f6ff47;transition:color .25s ease,transform .25s ease,opacity .25s ease;cursor:pointer;-webkit-user-select:none;user-select:none}.lyric-line.near{color:#f4f6ff80;font-size:1.05rem}.lyric-line.active{color:#fff;font-size:1.35rem;font-weight:600;transform:scale(1.02);text-shadow:0 0 24px rgba(109,139,255,.35)}.lyric-line.far{opacity:.65}.lyric-word{display:inline-block;position:relative;color:#f4f6ff59}.lyric-word.word-done{color:#f4f6ffd1}.lyric-word.word-active{background:linear-gradient(90deg,#fff,#fff calc(var(--fill, 0) * 100%),#f4f6ff59 calc(var(--fill, 0) * 100%),#f4f6ff59);-webkit-background-clip:text;background-clip:text;color:transparent}.lyrics-fallback{padding:24px 12px;text-align:center}video{width:100%;max-height:280px;background:#000;border-radius:10px}#api-panel-root{position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:50;pointer-events:none}.app.sidebar-collapsed #api-panel-root{left:var(--sidebar-collapsed-w)}.api-panel{pointer-events:auto;border-top:1px solid var(--border);background:#060a12f0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.api-panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px;border-bottom:1px solid var(--border)}.api-panel-header strong{display:block}.api-panel-header .muted{font-size:.75rem}.api-panel-actions{display:flex;gap:8px}.api-panel-body{max-height:280px;overflow:auto;padding:10px 14px}.api-empty{margin:8px 0;font-size:.85rem}.api-entry{border:1px solid var(--border);border-radius:10px;margin-bottom:8px;overflow:hidden}.api-entry.ok summary{border-left:3px solid var(--accent-2)}.api-entry.err summary{border-left:3px solid var(--danger)}.api-entry summary{cursor:pointer;padding:10px 12px;display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;list-style:none}.api-method{font-weight:700;color:var(--accent-2);font-size:.8rem}.api-path{font-family:ui-monospace,monospace;font-size:.82rem}.api-meta{color:var(--muted);font-size:.75rem;margin-left:auto}.api-block{margin:0;padding:10px 12px;border-top:1px solid var(--border);font-size:.75rem;white-space:pre-wrap;background:#00000040}.api-block.error{color:#ffc7d4}.api-label{color:var(--muted);display:block;margin-bottom:4px}@media(max-width:960px){.app{grid-template-columns:1fr}.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-w);transform:translate(-100%);z-index:100;transition:transform .25s ease}.app:not(.sidebar-collapsed) .sidebar{transform:translate(0)}.sidebar-toggle{display:none}.btn-icon.mobile-menu{display:inline-block}#api-panel-root{left:0}.stats-grid{grid-template-columns:repeat(2,1fr)}.upload-layout,.detail-grid{grid-template-columns:1fr}.hero{flex-direction:column;align-items:flex-start}}