:root{--bg-app: #0f1115;--bg-panel: #161a21;--bg-elevated: #1c222c;--bg-input: #12161d;--border: #2a3140;--border-strong: #3a4458;--text: #e8edf5;--text-muted: #9aa6b8;--accent: #3d9cf0;--accent-hover: #5aaff5;--accent-soft: rgba(61, 156, 240, .15);--danger: #f07178;--success: #7fd99a;--shadow: 0 12px 40px rgba(0, 0, 0, .35);--radius: 12px;--font: "IBM Plex Sans", system-ui, sans-serif;--mono: "JetBrains Mono", ui-monospace, monospace;--header-h: 64px}*,*:before,*:after{box-sizing:border-box}html,body,#app{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg-app);color:var(--text);font-family:var(--font)}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}.app-shell{display:grid;grid-template-rows:var(--header-h) 1fr;height:100%;min-height:100dvh}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#171b23,#12151b);z-index:5}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:34px;height:34px;border-radius:9px;background:radial-gradient(circle at 30% 30%,#7ec8ff,transparent 45%),linear-gradient(135deg,#2b6cb0,#1a365d);box-shadow:inset 0 0 0 1px #ffffff1f;flex-shrink:0}.brand-copy{min-width:0}.brand-title{margin:0;font-size:15px;font-weight:600;letter-spacing:.01em}.file-name{margin:2px 0 0;font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:42vw}.topbar-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 14px;border-radius:9px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);font-size:13px;font-weight:500;transition:background .15s ease,border-color .15s ease,transform .12s ease}.btn:hover{border-color:var(--border-strong);background:#232a36}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);border-color:transparent;color:#041018;font-weight:600}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent}.btn-sm{height:30px;padding:0 10px;font-size:12px}.btn-solo{min-width:52px;background:var(--accent-soft);border-color:#3d9cf059;color:#9fd0ff}.btn-solo:hover{background:#3d9cf040}.workspace{display:grid;grid-template-columns:1fr minmax(300px,380px);min-height:0;height:100%}.viewport-wrap{position:relative;min-width:0;min-height:0;background:radial-gradient(ellipse at 50% 0%,rgba(61,156,240,.08),transparent 55%),linear-gradient(180deg,#141820,#0f1218)}.viewport{width:100%;height:100%}.viewport canvas{display:block;width:100%!important;height:100%!important}.drop-overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#0a0e14b8;border:2px dashed var(--accent);z-index:4;pointer-events:none}.drop-overlay.visible{display:flex}.drop-overlay-inner{text-align:center;padding:24px}.drop-overlay-inner strong{display:block;font-size:18px;margin-bottom:6px}.drop-overlay-inner span{color:var(--text-muted);font-size:13px}.empty-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:2;pointer-events:none}.empty-state.hidden{display:none}.empty-card{pointer-events:auto;width:min(420px,calc(100% - 40px));padding:28px 24px;border-radius:var(--radius);border:1px solid var(--border);background:#161a21eb;box-shadow:var(--shadow);text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.empty-card h2{margin:0 0 8px;font-size:20px;font-weight:600}.empty-card p{margin:0 0 18px;color:var(--text-muted);font-size:14px;line-height:1.5}.loading{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#0a0c108c;z-index:6}.loading.visible{display:flex}.spinner{width:42px;height:42px;border-radius:50%;border:3px solid rgba(255,255,255,.12);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:absolute;left:16px;right:16px;bottom:16px;display:none;padding:12px 14px;border-radius:10px;border:1px solid rgba(240,113,120,.4);background:#301216f2;color:#ffc9cc;font-size:13px;z-index:7}.toast.visible{display:block}.panel{display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--border);background:var(--bg-panel)}.panel-header{padding:16px 16px 12px;border-bottom:1px solid var(--border)}.panel-header h2{margin:0;font-size:14px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--text-muted)}.panel-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px}.count-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--accent-soft);color:#9fd0ff;font-size:12px;font-weight:600;font-family:var(--mono)}.search-wrap{margin-top:12px}.search-input{width:100%;height:38px;padding:0 12px;border-radius:9px;border:1px solid var(--border);background:var(--bg-input);outline:none;transition:border-color .15s ease}.search-input:focus{border-color:var(--accent)}.toolbar{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px 16px;border-bottom:1px solid var(--border)}.speech-panel{padding:12px 16px 14px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#171c25 0%,var(--bg-panel) 100%)}.speech-header h3{margin:0;font-size:13px;font-weight:600;letter-spacing:.02em}.speech-hint{margin:6px 0 0;font-size:11px;line-height:1.45;color:var(--text-muted)}.speech-text{width:100%;margin-top:10px;padding:10px 12px;border-radius:9px;border:1px solid var(--border);background:var(--bg-input);color:var(--text);resize:vertical;min-height:72px;outline:none;line-height:1.45;transition:border-color .15s ease}.speech-text:focus{border-color:var(--accent)}.speech-row{display:grid;grid-template-columns:64px 1fr;gap:10px;align-items:center;margin-top:10px}.speech-label{font-size:12px;color:var(--text-muted)}.speech-select{width:100%;height:34px;padding:0 10px;border-radius:8px;border:1px solid var(--border);background:var(--bg-input);outline:none}.speech-select:focus{border-color:var(--accent)}.speech-speed-wrap{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.speech-speed{width:100%;accent-color:var(--accent)}.speech-speed-value{font-family:var(--mono);font-size:12px;color:#9fd0ff;min-width:42px;text-align:right}.speech-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.speech-status{margin-top:8px;font-size:11px;font-family:var(--mono);color:var(--text-muted)}.speech-status.playing{color:var(--success)}.morph-list{flex:1;min-height:0;overflow:auto;padding:8px 12px 16px;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.morph-empty{padding:28px 12px;text-align:center;color:var(--text-muted);font-size:13px;line-height:1.55}.morph-item{padding:12px;margin-bottom:8px;border-radius:10px;border:1px solid var(--border);background:var(--bg-elevated)}.morph-item.hidden{display:none}.morph-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.morph-name{font-size:13px;font-weight:500;word-break:break-word;line-height:1.3}.morph-mesh-hint{margin-top:2px;font-size:11px;color:var(--text-muted);font-family:var(--mono)}.morph-controls{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}.morph-slider{width:100%;accent-color:var(--accent);cursor:pointer}.morph-value{min-width:42px;text-align:right;font-family:var(--mono);font-size:12px;color:#b8c4d8}.hidden-file{display:none}@media(max-width:900px){.app-shell{height:auto;min-height:100dvh;overflow:auto}.workspace{grid-template-columns:1fr;grid-template-rows:minmax(48vh,56vh) minmax(42vh,1fr);height:auto}.panel{border-left:none;border-top:1px solid var(--border);max-height:none}.morph-list{max-height:48vh}.file-name{max-width:48vw}}@media(max-width:560px){.topbar{padding:0 12px}.brand-title{font-size:13px}.toolbar{grid-template-columns:1fr 1fr}.btn{padding:0 10px;font-size:12px}}