@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes skeleton-pulse{0%,to{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.02)}}@keyframes video-fade-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{--primary-bg: #ffffff;--secondary-bg: #f8fafc;--tertiary-bg: #f1f5f9;--accent-color: #3b82f6;--accent-hover: #2563eb;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--border-color: #e2e8f0;--border-light: #cbd5e1;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--border-radius: 12px;--border-radius-sm: 8px;--border-radius-lg: 16px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition: all .2s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--primary-bg);color:var(--text-primary);overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--secondary-bg);border-radius:3px}::-webkit-scrollbar-thumb{background:var(--tertiary-bg);border-radius:3px;-webkit-transition:var(--transition);transition:var(--transition)}::-webkit-scrollbar-thumb:hover{background:var(--border-color)}.app-container{height:100vh;display:flex;background:var(--primary-bg);overflow:hidden}.module-container{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.module-container:first-child{border-right:1px solid var(--border-light)}.module-header{padding:20px 24px;background:var(--secondary-bg);border-bottom:1px solid var(--border-light);flex-shrink:0}.module-title{font-size:18px;font-weight:600;color:var(--text-primary);margin:0}.sidebar{width:320px;min-width:320px;background:var(--secondary-bg);border-right:1px solid var(--border-light);display:flex;flex-direction:column;height:100%;overflow:hidden}.sidebar-content{flex:1;padding:24px;overflow-y:auto;overflow-x:hidden}.control-group{margin-bottom:24px}.control-label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:12px}.button-group{display:grid;gap:12px}.button-group.grid-2{grid-template-columns:1fr 1fr}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--border-radius);background:var(--tertiary-bg);color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition);text-decoration:none;outline:none;position:relative;overflow:hidden}.btn:hover{background:var(--border-color);border-color:var(--accent-color);transform:translateY(-1px);box-shadow:var(--shadow)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-card{flex-direction:column;align-items:flex-start;text-align:left;padding:16px;background:var(--tertiary-bg);border:1px solid var(--border-light)}.btn-card.active{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.btn-card .title{font-size:14px;font-weight:600;margin-bottom:4px}.btn-card .description{font-size:12px;color:var(--text-muted);opacity:.8}.btn-card.active .description{color:#ffffffe6}.content-area{flex:1;background:var(--primary-bg);display:flex;flex-direction:column;overflow:hidden;min-height:0}.content-header{padding:16px 24px;background:var(--secondary-bg);border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.content-title{font-size:16px;font-weight:600;color:var(--text-primary)}.counter{background:var(--tertiary-bg);color:var(--text-muted);padding:4px 12px;border-radius:9999px;font-size:12px;font-weight:500;border:1px solid var(--border-light)}.content-body{flex:1;padding:24px;overflow:auto;min-height:0}.progress-indicator{margin-bottom:16px;padding:16px;background:var(--secondary-bg);border-radius:var(--border-radius);border:1px solid var(--border-light)}.progress-text{display:flex;align-items:center;font-size:14px;color:var(--text-secondary);margin-bottom:8px}.progress-bar{width:100%;height:6px;background:var(--tertiary-bg);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--accent-color);transition:width .3s ease;border-radius:3px}.loading-state{display:flex;height:100%;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px}@media(max-width:1400px){.sidebar{width:280px;min-width:280px}.sidebar-content{padding:20px}}@media(max-width:1024px){.app-container{flex-direction:column}.module-container:first-child{border-right:none;border-bottom:1px solid var(--border-light);height:50%}.sidebar{width:100%;min-width:auto;height:auto;flex-direction:row}.sidebar-content{display:flex;flex-wrap:wrap;gap:20px;padding:20px}.control-group{flex:1;min-width:200px;margin-bottom:0}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s}.btn:hover:before{left:100%}