:root{--font-display: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;--font-body: "IBM Plex Sans", "Segoe UI", sans-serif;--radius-xl: 28px;--radius-lg: 20px;--radius-md: 14px;--shadow-lg: 0 24px 60px rgba(15, 23, 42, .18);--shadow-md: 0 16px 40px rgba(15, 23, 42, .12);--shadow-sm: 0 8px 20px rgba(15, 23, 42, .1);--transition: .16s ease}:root[data-theme=light]{--bg: radial-gradient(circle at top, #eef2ff 0%, #f8fafc 50%, #f1f5f9 100%);--surface: rgba(255, 255, 255, .9);--surface-strong: #ffffff;--text: #0f172a;--muted: #475569;--border: rgba(148, 163, 184, .3);--accent: #1d4ed8;--accent-2: #38bdf8;--accent-soft: rgba(37, 99, 235, .12);--chip: rgba(226, 232, 240, .9)}:root[data-theme=dark]{--bg: radial-gradient(circle at top, #0f172a 0%, #0b1220 45%, #05070e 100%);--surface: rgba(15, 23, 42, .9);--surface-strong: #0b1220;--text: #e2e8f0;--muted: #94a3b8;--border: rgba(148, 163, 184, .2);--accent: #38bdf8;--accent-2: #f97316;--accent-soft: rgba(56, 189, 248, .18);--chip: rgba(30, 41, 59, .9)}*{box-sizing:border-box}html,body{height:100%;min-height:100vh}body{margin:0;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font-family:var(--font-body)}body:before,body:after{content:"";position:fixed;width:420px;height:420px;border-radius:999px;filter:blur(60px);opacity:.35;z-index:0;pointer-events:none}body:before{background:radial-gradient(circle,rgba(56,189,248,.5),transparent 70%);top:-160px;right:-120px}body:after{background:radial-gradient(circle,rgba(99,102,241,.45),transparent 70%);bottom:-180px;left:-140px}a:not(.excalidraw *){color:inherit;text-decoration:none}.app{position:relative;z-index:1;width:100%;flex:1;display:flex;flex-direction:column;margin:0;padding:16px 20px 40px;min-height:100vh;animation:rise-in .6s ease both}.content{flex:1;display:flex;flex-direction:column;gap:20px;margin-top:20px;min-height:0}@keyframes rise-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 22px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-md)}.brand{display:flex;align-items:center;gap:16px}.brand-mark{width:46px;height:46px;border-radius:16px;background:linear-gradient(140deg,#2563eb,#38bdf8 60%,#f97316);box-shadow:0 10px 30px #2563eb59}.brand h1{margin:0;font-family:var(--font-display);font-size:1.4rem;letter-spacing:-.02em}.brand p{margin:2px 0 0;color:var(--muted);font-size:.9rem}.top-actions{display:flex;gap:10px;flex-wrap:wrap}.top-actions.left{justify-content:flex-start;min-width:180px}.top-actions.right{justify-content:flex-end;min-width:120px}.btn{border-radius:999px;padding:10px 16px;border:1px solid transparent;font-weight:600;font-size:.9rem;background:transparent;color:var(--text);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition),background var(--transition);cursor:pointer}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 20px #0f172a26}.btn.primary{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#fff}.btn.secondary{background:var(--chip);border-color:var(--border)}.btn.ghost{border-color:var(--border);background:transparent}.hero{margin-top:32px;padding:38px;border-radius:var(--radius-xl);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-lg)}.hero h2{font-family:var(--font-display);font-size:2.4rem;margin:0 0 10px}.hero p{color:var(--muted);font-size:1.05rem;max-width:520px}.hero-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:26px}.hero-card{padding:16px;border-radius:var(--radius-md);background:var(--surface-strong);border:1px solid var(--border);box-shadow:var(--shadow-sm);font-size:.9rem}.dashboard{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px;margin-top:28px;flex:1}.left-stack{display:grid;gap:24px;height:fit-content}.panel{padding:24px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-md)}.panel h3{margin-top:0;font-family:var(--font-display)}textarea:not(.excalidraw *),input:not(.excalidraw *),select:not(.excalidraw *){width:100%;border-radius:12px;border:1px solid var(--border);padding:12px 14px;font-family:var(--font-body);background:var(--surface-strong);color:var(--text);font-size:.95rem;transition:border-color var(--transition),box-shadow var(--transition)}textarea:focus:not(.excalidraw *),input:focus:not(.excalidraw *),select:focus:not(.excalidraw *){outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-top:16px}.field label{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.status{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--chip);font-size:.9rem}.video-shell{display:grid;gap:14px}.video-shell video{width:100%;border-radius:18px;border:1px solid var(--border);box-shadow:var(--shadow-lg)}.placeholder{padding:18px;border-radius:16px;border:1px dashed var(--border);color:var(--muted);text-align:center}.history-list{display:grid;gap:14px}.history-item{padding:14px;border-radius:14px;border:1px solid var(--border);background:var(--surface-strong);display:grid;gap:10px}.history-meta{font-size:.8rem;color:var(--muted);display:flex;justify-content:space-between}.history-actions{display:flex;gap:8px}.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.75rem;font-weight:600}@media (max-width: 980px){.dashboard{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start}}@media (max-width: 600px){.app{padding:20px 16px 60px}.hero{padding:26px}.hero h2{font-size:1.8rem}}.tab-bar{display:flex;gap:8px;padding:8px;margin-top:20px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm)}.tab-btn{border-radius:999px;padding:10px 20px;border:1px solid transparent;font-weight:600;font-size:.9rem;background:transparent;color:var(--muted);cursor:pointer;transition:background var(--transition),color var(--transition),box-shadow var(--transition)}.tab-btn:hover{background:var(--chip);color:var(--text)}.tab-btn.active{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#fff;box-shadow:0 4px 14px #2563eb4d}.sub-tab-bar,.filter-bar{display:flex;gap:6px;flex-wrap:wrap}.tab-btn.sub{padding:7px 14px;font-size:.82rem}.tab-content{margin-top:24px;flex:1;display:flex;flex-direction:column}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;margin-top:24px}.media-card{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform var(--transition),box-shadow var(--transition)}.media-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.media-card-preview{position:relative;background:var(--surface-strong);aspect-ratio:1;overflow:hidden}.media-card-preview img,.media-card-preview video{width:100%;height:100%;object-fit:cover;display:block}.media-badge{position:absolute;top:10px;right:10px;padding:3px 10px;border-radius:999px;background:#0009;color:#fff;font-size:.7rem;font-weight:600;text-transform:uppercase}.media-card-body{padding:14px}.media-prompt{font-size:.88rem;margin:0 0 8px;cursor:pointer;color:var(--text)}.media-prompt:not(.expanded){display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.media-card-meta{display:flex;gap:10px;font-size:.75rem;color:var(--muted);margin-bottom:10px}.media-card-actions{display:flex;gap:8px}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-md);padding:28px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color var(--transition),background var(--transition)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--accent-soft)}.upload-label{cursor:pointer;display:block}.image-shell{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border)}.image-shell img{width:100%;display:block}.image-shell.small img{max-height:160px;object-fit:cover}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 600px){.compare-grid{grid-template-columns:1fr}}.label-sm{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 6px}.muted-text{color:var(--muted);font-size:.88rem;margin-top:10px}.turn-list{display:grid;gap:14px}.turn-item{padding:14px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface-strong)}.turn-header{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}.turn-prompt{font-size:.88rem;margin:0 0 10px}.ref-gallery{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.ref-thumb{position:relative;width:72px;height:72px;border-radius:10px;overflow:hidden;border:1px solid var(--border)}.ref-thumb img{width:100%;height:100%;object-fit:cover}.ref-remove{position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;background:#0009;color:#fff;border:none;font-size:.7rem;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}.colab-canvas-wrapper{display:flex;flex-direction:column;flex:1;min-height:500px}.colab-canvas-header{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:var(--surface);border:1px solid var(--border);border-bottom:none}.colab-back-btn{padding:6px 12px;font-size:.85rem}.colab-board-title{font-family:var(--font-display);font-weight:600;font-size:1rem}.colab-canvas-container{flex:1;display:flex;flex-direction:column;min-height:0;position:relative;border-radius:0 0 var(--radius-lg) var(--radius-lg);border:1px solid var(--border);background:var(--surface-strong)}.colab-stage{flex:1;width:100%;height:100%;overflow:hidden}.colab-board-list{margin-top:20px}.colab-list-header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.colab-list-header h3{margin:0}.colab-create-form{display:flex;gap:10px;align-items:center}.colab-create-input{width:220px;padding:8px 12px;border-radius:10px;font-size:.88rem}.colab-board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.colab-card{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition)}.colab-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.colab-card-preview{aspect-ratio:16 / 10;background:var(--surface-strong);display:flex;align-items:center;justify-content:center;overflow:hidden}.colab-card-preview img{width:100%;height:100%;object-fit:cover}.colab-card-placeholder{color:var(--muted);opacity:.4}.colab-card-body{padding:14px}.colab-card-name{margin:0 0 6px;font-weight:600;font-size:.95rem}.colab-card-meta{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--muted);margin-bottom:8px}.colab-card-actions{display:flex;gap:6px}.colab-card-rename,.colab-card-delete{padding:4px 10px;font-size:.78rem}.colab-card-name-input{width:100%;margin:0 0 6px;padding:4px 8px;border-radius:8px;border:1px solid var(--accent);background:var(--surface-strong);color:var(--text);font-weight:600;font-size:.95rem;font-family:var(--font-body);box-shadow:0 0 0 3px var(--accent-soft)}.excalidraw-container{width:100%;flex:1;min-height:0;position:relative;display:flex;flex-direction:column}.excalidraw-container .layer-ui__library-button,.excalidraw-container .layer-ui__wrapper .sidebar-trigger[aria-label=Library],.excalidraw-container .layer-ui__wrapper .sidebar-trigger[title=Library],.excalidraw-container .layer-ui__wrapper .sidebar-trigger{display:none!important}.excalidraw-container [data-testid=image] input[type=file],.excalidraw-container [aria-label="Insert image"] input[type=file]{display:none!important;pointer-events:none!important}.colab-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#00000080;display:flex;align-items:center;justify-content:center}.colab-modal{width:90%;max-width:700px;max-height:80vh;border-radius:var(--radius-lg);background:var(--surface-strong);border:1px solid var(--border);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.colab-modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}.colab-modal-header h3{margin:0;font-family:var(--font-display);font-size:1.05rem}.colab-modal-tabs{display:flex;gap:6px;padding:10px 18px 0}.colab-modal-body{flex:1;overflow-y:auto;padding:16px 18px 20px}.colab-asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}.colab-asset-card{display:flex;flex-direction:column;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface);overflow:hidden;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition);padding:0;text-align:left}.colab-asset-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.colab-asset-thumb{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--surface-strong)}.colab-asset-name{padding:6px 8px;font-size:.72rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.colab-context-toolbar{position:fixed;transform:translate(-50%,-100%);z-index:50;display:flex;gap:4px;padding:6px 8px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-md);white-space:nowrap}.colab-context-row{display:flex;gap:4px;align-items:center}.colab-context-input{width:160px;padding:5px 8px;border-radius:8px;border:1px solid var(--border);background:var(--surface-strong);color:var(--text);font-size:.78rem}.colab-context-btn{padding:5px 10px;font-size:.75rem;border-radius:8px}.colab-canvas-container.dragover{outline:3px dashed var(--accent);outline-offset:-3px}.colab-drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;align-items:center;justify-content:center;background:#2563eb14;color:var(--accent);font-size:1.1rem;font-weight:600;pointer-events:none}.colab-gen-status{position:absolute;bottom:12px;left:50%;transform:translate(-50%);z-index:20;padding:8px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);font-size:.82rem;color:var(--muted);white-space:nowrap}