:root{--bg: #0a0a0f;--surface: #14131b;--surface-elevated: #1e1c27;--surface-highlight: #2a2735;--border: #2e2b3a;--primary: #ff7a2f;--secondary: #e8457c;--brand-gradient: linear-gradient(135deg, #ff7a2f 0%, #e8457c 100%);--accent: #2ec4b6;--text: #ffffff;--text-secondary: #b3b0bf;--text-muted: #7a7788;--error: #ff5a5f;--warning: #f5b544;--radius-4: 4px;--radius-8: 8px;--radius-12: 12px;--radius-pill: 999px;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--font: "Plus Jakarta Sans", "Noto Sans", "Noto Sans Devanagari", "Noto Sans Bengali", "Noto Nastaliq Urdu", system-ui, -apple-system, sans-serif;--sidebar-w: 232px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em}h1{font-size:24px}h2{font-size:17px}h3{font-size:14px}code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.shell{display:flex;min-height:100%}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-5) var(--sp-4) var(--sp-4)}.brand-mark{width:32px;height:32px;border-radius:var(--radius-8);display:block;flex:none}.login-logo{width:100%;height:auto;border-radius:var(--radius-12, 12px);display:block}.brand-name{font-weight:800;font-size:16px}.brand-sub{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.nav-group{padding:var(--sp-2) var(--sp-3)}.nav-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;padding:var(--sp-2) var(--sp-2) var(--sp-1)}.nav-link{display:flex;align-items:center;gap:var(--sp-3);padding:8px var(--sp-3);border-radius:var(--radius-8);color:var(--text-secondary);font-weight:500}.nav-link:hover{background:var(--surface-elevated);color:var(--text)}.nav-link.active{background:var(--surface-highlight);color:var(--text);box-shadow:inset 3px 0 0 var(--primary)}.nav-icon{width:18px;text-align:center;opacity:.9}.sidebar-footer{margin-top:auto;padding:var(--sp-4);border-top:1px solid var(--border);display:grid;gap:var(--sp-2)}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{display:none;align-items:center;justify-content:space-between;padding:var(--sp-3) var(--sp-4);background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.content{padding:var(--sp-5) var(--sp-6) var(--sp-6);max-width:1440px;width:100%}.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;margin-bottom:var(--sp-5)}.page-header p{margin:var(--sp-1) 0 0;color:var(--text-secondary)}.backdrop-nav{display:none}@media (max-width: 900px){.topbar{display:flex}.sidebar{position:fixed;left:0;top:0;z-index:40;transform:translate(-100%);visibility:hidden;transition:transform .2s ease,visibility 0s linear .2s}.sidebar.open{transform:translate(0);visibility:visible;transition:transform .2s ease}.backdrop-nav.open{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:30}.content{padding:var(--sp-4)}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-12);padding:var(--sp-4)}.card-header{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-3);flex-wrap:wrap}.grid{display:grid;gap:var(--sp-4)}.grid-kpi{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width: 1100px){.grid-3{grid-template-columns:1fr 1fr}}@media (max-width: 760px){.grid-2,.grid-3{grid-template-columns:1fr}}.stack{display:flex;flex-direction:column;gap:var(--sp-3)}.row{display:flex;align-items:center;gap:var(--sp-2);flex-wrap:wrap}.spacer{flex:1}.muted{color:var(--text-muted)}.secondary{color:var(--text-secondary)}.small{font-size:12px}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mt-4{margin-top:var(--sp-4)}.mt-5{margin-top:var(--sp-5)}.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-12);padding:var(--sp-4);position:relative;overflow:hidden}.kpi:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--brand-gradient);opacity:.8}.kpi-label{color:var(--text-secondary);font-size:12px;font-weight:500}.kpi-value{font-size:26px;font-weight:800;margin-top:var(--sp-1);font-variant-numeric:tabular-nums}.kpi-hint{font-size:12px;color:var(--text-muted);margin-top:2px}.kpi.danger:before{background:var(--error)}.kpi.success:before{background:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);min-height:36px;padding:0 var(--sp-4);border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface-elevated);color:var(--text);font-weight:600;cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s,opacity .12s}.btn:hover:not(:disabled){background:var(--surface-highlight)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand-gradient);border-color:transparent}.btn-primary:hover:not(:disabled){background:var(--brand-gradient);filter:brightness(1.08)}.btn-danger{border-color:#ff5a5f80;color:var(--error);background:transparent}.btn-danger:hover:not(:disabled){background:#ff5a5f1f}.btn-ghost{background:transparent;border-color:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){color:var(--text)}.btn-sm{min-height:28px;padding:0 var(--sp-3);font-size:12px}.btn-icon{min-height:28px;width:28px;padding:0}.input,.select,.textarea{width:100%;min-height:36px;padding:6px var(--sp-3);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-8);outline:none}.textarea{min-height:80px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary)}.input[type=color]{padding:2px;width:48px;cursor:pointer}.field{display:grid;gap:6px}.field>span{font-size:12px;color:var(--text-secondary);font-weight:600}.field-hint{font-size:12px;color:var(--text-muted)}.toolbar{display:flex;gap:var(--sp-2);flex-wrap:wrap;align-items:center;margin-bottom:var(--sp-4)}.toolbar .input{max-width:320px}.toolbar .select{width:auto}.switch{position:relative;display:inline-flex;width:38px;height:22px;flex-shrink:0}.switch input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer;z-index:1}.switch input:disabled{cursor:not-allowed}.switch .track{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--surface-highlight);border-radius:var(--radius-pill);transition:background .15s;pointer-events:none}.switch .track:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:var(--text);transition:transform .15s}.switch input:checked+.track{background:var(--accent)}.switch input:checked+.track:after{transform:translate(16px)}.switch input:disabled+.track{opacity:.5;cursor:not-allowed}.switch input:focus-visible+.track{outline:2px solid var(--primary);outline-offset:2px}.tabs{display:flex;gap:var(--sp-1);border-bottom:1px solid var(--border);margin-bottom:var(--sp-4);overflow-x:auto}.tab{padding:var(--sp-2) var(--sp-3);border:0;background:none;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;font-weight:600;white-space:nowrap}.tab.active{color:var(--text);border-bottom-color:var(--primary)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-12);background:var(--surface)}table.table{width:100%;border-collapse:collapse;min-width:640px}.table th,.table td{padding:10px var(--sp-3);text-align:left;border-bottom:1px solid var(--border);vertical-align:middle}.table th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:600;background:var(--surface);position:sticky;top:0}.table tr:last-child td{border-bottom:0}.table tbody tr:hover{background:var(--surface-elevated)}.table tr.clickable{cursor:pointer}.table td.num,.table th.num{text-align:right;font-variant-numeric:tabular-nums}.table td.actions{text-align:right;white-space:nowrap}.cell-title{display:flex;align-items:center;gap:var(--sp-3);min-width:0}.art{width:40px;height:40px;border-radius:var(--radius-4);flex-shrink:0;object-fit:cover;background:var(--surface-highlight)}.art.round{border-radius:50%}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:var(--radius-pill);font-size:11px;font-weight:700;letter-spacing:.02em;background:var(--surface-highlight);color:var(--text-secondary);white-space:nowrap}.badge-ai,.badge-success{background:#2ec4b624;color:var(--accent)}.badge-warning{background:#f5b54424;color:var(--warning)}.badge-danger{background:#ff5a5f24;color:var(--error)}.badge-primary{background:#ff7a2f29;color:var(--primary)}.badge-info{background:#e8457c24;color:var(--secondary)}.swatch{width:14px;height:14px;border-radius:4px;display:inline-block;border:1px solid rgba(255,255,255,.15);vertical-align:middle}.state{display:grid;place-items:center;text-align:center;gap:var(--sp-2);padding:var(--sp-6) var(--sp-4);color:var(--text-secondary)}.state-icon{font-size:28px;opacity:.8}.state.error .state-title{color:var(--error)}.state-title{font-weight:700;color:var(--text)}.skeleton{background:linear-gradient(90deg,var(--surface-elevated) 25%,var(--surface-highlight) 50%,var(--surface-elevated) 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:var(--radius-8)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion: reduce){.skeleton{animation:none}}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.25);border-top-color:var(--text);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.load-more{display:flex;justify-content:center;padding:var(--sp-4)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#050508b8;display:grid;place-items:center;z-index:100;padding:var(--sp-4)}.dialog{background:var(--surface-elevated);border:1px solid var(--border);border-radius:var(--radius-12);width:min(520px,100%);max-height:calc(100vh - 32px);overflow:auto;padding:var(--sp-5);box-shadow:0 24px 60px #00000080}.dialog.wide{width:min(760px,100%)}.dialog:focus,.drawer:focus{outline:none}.dialog h2{margin-bottom:var(--sp-2)}.dialog-actions{display:flex;justify-content:flex-end;gap:var(--sp-2);margin-top:var(--sp-5);flex-wrap:wrap}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#05050899;z-index:90;display:flex;justify-content:flex-end}.drawer{width:min(720px,100%);height:100%;background:var(--surface);border-left:1px solid var(--border);overflow-y:auto;padding:var(--sp-5)}.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-4)}.toasts{position:fixed;bottom:var(--sp-4);right:var(--sp-4);display:grid;gap:var(--sp-2);z-index:200;width:min(360px,calc(100vw - 32px))}.toast{background:var(--surface-highlight);border:1px solid var(--border);border-left:3px solid var(--accent);padding:var(--sp-3) var(--sp-4);border-radius:var(--radius-8);box-shadow:0 12px 32px #0006;display:flex;gap:var(--sp-3);align-items:flex-start}.toast.error{border-left-color:var(--error)}.toast .btn-icon{margin-left:auto}.dl{display:grid;grid-template-columns:160px 1fr;gap:6px var(--sp-4);margin:0}.dl dt{color:var(--text-muted);font-size:12px}.dl dd{margin:0;word-break:break-word}@media (max-width: 560px){.dl{grid-template-columns:1fr}.dl dd{margin-bottom:var(--sp-2)}}.pre{white-space:pre-wrap;word-break:break-word;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-8);padding:var(--sp-3);margin:0;max-height:320px;overflow:auto}.list-plain{list-style:none;margin:0;padding:0}.rank-row{display:flex;align-items:center;gap:var(--sp-3);padding:8px 0;border-bottom:1px solid var(--border)}.rank-row:last-child{border-bottom:0}.rank-n{width:20px;color:var(--text-muted);font-weight:700;font-variant-numeric:tabular-nums}.bar{height:6px;border-radius:var(--radius-pill);background:var(--surface-highlight);overflow:hidden}.bar>span{display:block;height:100%;background:var(--brand-gradient)}.ratio-bar{display:flex;flex:1;min-width:60px;height:6px;border-radius:var(--radius-pill);background:var(--surface-highlight);overflow:hidden}.ratio-bar>.ratio-like{background:var(--accent)}.ratio-bar>.ratio-dislike{background:var(--error);opacity:.75}.section-row{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-8);flex-wrap:wrap}.section-row.dragging{opacity:.4}.section-row.drop-target{border-color:var(--primary)}.drag-handle{cursor:grab;color:var(--text-muted);-webkit-user-select:none;user-select:none;font-size:16px;padding:0 4px}.player-btn{width:32px;height:32px;border-radius:50%;border:0;background:var(--text);color:var(--bg);cursor:pointer;display:grid;place-items:center;font-size:12px;flex-shrink:0}.player-btn:disabled{opacity:.3;cursor:not-allowed}.player-btn.playing{background:var(--primary);color:var(--text)}.login-wrap{min-height:100%;display:grid;place-items:center;padding:var(--sp-4);background:radial-gradient(circle at 20% 10%,rgba(255,122,47,.18),transparent 40%),radial-gradient(circle at 80% 90%,rgba(232,69,124,.16),transparent 40%),var(--bg)}.login-card{width:min(400px,100%)}.error-text{color:var(--error);font-size:13px}.chart-box{width:100%;height:280px}.upload-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:var(--sp-4);align-items:start}.upload-grid>section:last-child{grid-column:1 / -1}@media (max-width: 1000px){.upload-grid{grid-template-columns:1fr}}.drop-label{font-size:12px;color:var(--text-secondary);font-weight:600}.dropzone{border:1.5px dashed var(--border);border-radius:var(--radius-12);background:var(--bg);padding:var(--sp-4);cursor:pointer;transition:border-color .12s,background .12s}.dropzone:hover,.dropzone.over{border-color:var(--primary);background:#ff7a2f0f}.dropzone.has-file{border-style:solid;cursor:default}.dropzone.invalid{border-color:var(--error)}.dropzone.disabled{opacity:.6;cursor:not-allowed}.drop-empty{display:grid;justify-items:center;gap:4px;text-align:center;padding:var(--sp-4) 0;color:var(--text-secondary)}.drop-icon{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--surface-highlight);font-size:18px;margin-bottom:4px}.drop-file{display:grid;gap:var(--sp-2);justify-items:start}.link{color:var(--primary);font-weight:600}.audio-preview{width:100%;height:36px}.art-preview{width:160px;height:160px;object-fit:cover;border-radius:var(--radius-8);border:1px solid var(--border)}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);padding:var(--sp-3);border:1px solid var(--border);border-radius:var(--radius-8);background:var(--bg);cursor:pointer}.toggle-row:hover{border-color:var(--surface-highlight);background:var(--surface)}.toggle-row:has(input:focus-visible){border-color:var(--primary)}.toggle-row.disabled{cursor:not-allowed;opacity:.7}.toggle-row .toggle-text{display:grid;gap:2px;min-width:0}.toggle-row .toggle-text>.row{font-weight:700}.progress{height:8px;border-radius:var(--radius-pill);background:var(--surface-highlight);overflow:hidden}.progress-fill{height:100%;background:var(--brand-gradient);transition:width .15s linear}@media (prefers-reduced-motion: reduce){.progress-fill{transition:none}}.alert{border:1px solid rgba(255,90,95,.5);background:#ff5a5f1a;color:var(--text);border-radius:var(--radius-8);padding:var(--sp-3);font-size:13px}.artist-picker{position:relative}.suggest{list-style:none;margin:0;padding:4px;position:absolute;top:62px;left:0;right:0;z-index:20;background:var(--surface-elevated);border:1px solid var(--border);border-radius:var(--radius-8);box-shadow:0 12px 32px #0006}.suggest li{padding:6px 8px}.suggest li button{all:unset;display:flex;gap:8px;align-items:center;width:100%;cursor:pointer}.suggest li:has(button):hover{background:var(--surface-highlight);border-radius:var(--radius-4)}.picked{padding:6px var(--sp-3);min-height:36px;border:1px solid var(--border);border-radius:var(--radius-8);background:var(--bg)}.media-box{display:flex;gap:var(--sp-3);align-items:center;padding:var(--sp-3);border:1px solid var(--border);border-radius:var(--radius-8);background:var(--bg)}.row-highlight td{background:#ff7a2f1a}