*{box-sizing:border-box;margin:0;padding:0}:root,[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #f1f3f4;--accent: #1a73e8;--accent-hover: #1557b0;--accent-subtle: rgba(26, 115, 232, .08);--text-primary: #202124;--text-secondary: #5f6368;--border: #e0e0e0;--success: #34a853;--error: #ea4335;--shadow: rgba(0, 0, 0, .08);--canvas-bg: #e8eaed;--code-bg: #f8f9fa;--hover-overlay: rgba(0, 0, 0, .04)}[data-theme=dark]{--bg-primary: #1e1e1e;--bg-secondary: #252526;--bg-tertiary: #2d2d30;--accent: #4fc3f7;--accent-hover: #81d4fa;--accent-subtle: rgba(79, 195, 247, .12);--text-primary: #e4e4e4;--text-secondary: #9e9e9e;--border: #3c3c3c;--success: #4caf50;--error: #f44336;--shadow: rgba(0, 0, 0, .3);--canvas-bg: #1a1a1a;--code-bg: #1e1e1e;--hover-overlay: rgba(255, 255, 255, .05)}html,body,#root{height:100%;width:100%;overflow:hidden}body,.header,.sidebar,.panel-header,.preview-panel,.status-bar,.nav-link,.btn{transition:background-color .2s ease,border-color .2s ease,color .2s ease}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}.app-layout{display:grid;grid-template-columns:240px 1fr;grid-template-rows:56px 1fr;height:100%}.header{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--bg-tertiary);border-bottom:1px solid var(--border)}.header h1{font-size:18px;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.header-brand{display:flex;align-items:center;gap:16px}.header-title{color:inherit;text-decoration:none}.header-actions{display:flex;gap:12px}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);overflow-y:auto;padding:16px 0}.sidebar-section{padding:0 16px;margin-bottom:24px}.sidebar-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:12px}.sidebar-nav{display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text-secondary);text-decoration:none;font-size:14px;transition:all .15s ease}.nav-link:hover{background:var(--hover-overlay);color:var(--text-primary)}.nav-link.active{background:var(--accent-subtle);color:var(--accent)}.nav-icon{width:18px;height:18px;opacity:.7}.main-content{display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.split-divider{position:relative;cursor:col-resize;touch-action:none;outline:none}.split-divider:before{content:"";position:absolute;top:0;right:-4px;bottom:0;left:-4px;z-index:1}.split-divider:after{content:"";position:absolute;top:0;bottom:0;left:2px;width:1px;background:var(--border);transition:background-color .15s ease,left .15s ease,width .15s ease}.split-divider:hover:after,.split-divider:focus-visible:after{left:1px;width:3px;background:var(--accent)}.editor-panel{display:flex;flex-direction:column;overflow:hidden}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-tertiary);border-bottom:1px solid var(--border);flex-shrink:0}.panel-title{font-size:13px;font-weight:500;color:var(--text-secondary)}.panel-actions{display:flex;gap:8px}.editor-container{flex:1;overflow:auto}.editor-container .cm-editor{height:100%}.editor-container .cm-scroller{font-family:JetBrains Mono,Fira Code,monospace;font-size:13px;line-height:1.6}.preview-panel{display:flex;flex-direction:column;background:var(--bg-tertiary);overflow:hidden}.params-panel{display:flex;flex-direction:column;gap:16px;padding:16px;height:100%;overflow-y:auto}.params-panel textarea{width:100%;min-height:140px;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--bg-secondary);color:var(--text-primary);font-family:JetBrains Mono,Fira Code,monospace;font-size:11px;line-height:1.5;resize:vertical}.params-panel .field{flex:0 0 auto}.params-panel .field-inline{flex-direction:row;align-items:center}.panel-heading{display:flex;align-items:center;gap:12px}.segmented-compact{padding:2px}.segmented-compact button{padding:3px 10px;font-size:12px}.preview-container{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden;background:var(--canvas-bg);transition:background-color .2s ease}.preview-canvas{max-width:100%;max-height:100%;border-radius:8px;box-shadow:0 2px 12px var(--shadow)}.status-bar{display:flex;align-items:center;gap:16px;padding:8px 16px;background:var(--bg-secondary);border-top:1px solid var(--border);font-size:12px;color:var(--text-secondary)}.status-item{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;min-width:72px}.status-dot{width:8px;height:8px;border-radius:50%}.status-dot.success{background:var(--success)}.status-dot.error{background:var(--error)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--hover-overlay);color:var(--text-secondary)}.btn-secondary:hover{background:var(--border);color:var(--text-primary)}.btn-icon{padding:8px;font-size:16px;line-height:1}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:48px}.welcome h2{font-size:28px;font-weight:600;margin-bottom:16px}.welcome p{color:var(--text-secondary);max-width:400px;line-height:1.6}.welcome-page{grid-column:1 / -1;overflow-y:auto;padding:32px 40px 48px}.welcome-intro h2{font-size:24px;font-weight:600;margin-bottom:8px}.welcome-intro p{color:var(--text-secondary);max-width:720px;line-height:1.6}.welcome-section{margin-top:32px}.welcome-section h3{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:12px}.example-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.example-card{display:block;border:1px solid var(--border);border-radius:10px;background:var(--bg-secondary);overflow:hidden;text-decoration:none;transition:border-color .15s ease,box-shadow .15s ease}.example-card:hover{border-color:var(--accent);box-shadow:0 4px 16px #0000001f}.example-thumb{position:relative;aspect-ratio:16 / 9;background:var(--bg-tertiary)}.example-thumb img,.example-thumb canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.example-thumb img{object-fit:cover}.example-thumb-fallback{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.example-thumb-initial{font-size:32px;font-weight:600;color:var(--text-secondary);opacity:.5}.example-card-body{padding:10px 12px 12px}.example-card-title{font-size:13px;font-weight:600;color:var(--text-primary)}.example-card-desc{margin-top:4px;font-size:12px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.error-display{padding:16px;background:#f871711a;border:1px solid var(--error);border-radius:8px;margin:16px}.error-display pre{font-family:JetBrains Mono,monospace;font-size:12px;color:var(--error);white-space:pre-wrap;word-break:break-word}.loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary)}.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.header-link{display:inline-flex;align-items:center;height:40px;padding:0 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg-secondary);color:var(--text-secondary);font-size:13px;font-weight:500;text-decoration:none;transition:all .15s ease}.header-link:hover{background:var(--hover-overlay);color:var(--text-primary)}.theme-toggle{display:flex;align-items:center;gap:4px;padding:6px;border:1px solid var(--border);border-radius:8px;background:var(--bg-secondary)}.theme-btn{display:flex;align-items:center;justify-content:center;width:32px;height:28px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.theme-btn:hover{background:var(--hover-overlay);color:var(--text-primary)}.theme-btn.active{background:var(--accent-subtle);color:var(--accent)}.theme-btn svg{width:16px;height:16px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.animation-indicator{position:absolute;bottom:16px;right:16px;display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;font-size:12px;color:var(--text-secondary);box-shadow:0 2px 8px var(--shadow)}.animation-dot{width:8px;height:8px;border-radius:50%;background:var(--success);animation:pulse 1s ease-in-out infinite}.animation-dot.paused{background:var(--warning, #f59e0b);animation:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.stats-panel{position:absolute;bottom:16px;left:16px;display:flex;flex-direction:column;gap:4px;min-width:150px;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;font-size:12px;color:var(--text-secondary);box-shadow:0 2px 8px var(--shadow)}.stats-row{display:flex;justify-content:space-between;gap:16px}.stats-value{color:var(--text-primary);font-variant-numeric:tabular-nums}.preview-container{position:relative}.preview-surface{width:100%;height:100%;border-radius:8px;box-shadow:0 2px 12px var(--shadow);overflow:hidden}.preview-surface canvas{display:block;width:100%;height:100%}.timeline-bar{display:flex;flex:1;min-width:0;align-items:center;gap:12px}.timeline-slider{flex:1;min-width:0;accent-color:var(--accent);cursor:pointer}.timeline-time{font-size:12px;color:var(--text-secondary);font-variant-numeric:tabular-nums;white-space:nowrap}.timeline-time-untimed{flex:1}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#00000080}.modal{width:460px;max-width:calc(100vw - 48px);background:var(--bg-primary);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 40px var(--shadow)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);font-size:14px;font-weight:600}.modal-body{display:flex;flex-direction:column;gap:16px;padding:20px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--border)}.modal-hint{font-size:12px;color:var(--text-secondary);line-height:1.5}.modal-hint a{color:var(--accent);text-decoration:none}.modal-hint a:hover{text-decoration:underline}.modal-error{font-size:12px;color:var(--error)}.segmented{display:flex;gap:4px;padding:4px;background:var(--bg-tertiary);border-radius:8px}.segmented button{flex:1;padding:6px 12px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.segmented button.active{background:var(--bg-primary);color:var(--accent);box-shadow:0 1px 4px var(--shadow)}.field-row{display:flex;gap:12px}.field{display:flex;flex:1;flex-direction:column;gap:6px;font-size:12px;color:var(--text-secondary)}.field input,.field select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--bg-secondary);color:var(--text-primary);font-size:13px;font-family:inherit}.embed-snippet{margin:0;padding:12px;border:1px solid var(--border);border-radius:6px;background:var(--code-bg);color:var(--text-primary);font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;line-height:1.5;white-space:pre;overflow-x:auto}.progress{height:6px;border-radius:3px;background:var(--bg-tertiary);overflow:hidden}.progress-fill{height:100%;background:var(--accent);transition:width .1s linear}
