.playground-container{display:flex;height:calc(100vh - 60px);margin-top:60px;background:var(--bg-primary);overflow:hidden}.debug-panel{width:400px;min-width:360px;max-width:480px;background:var(--bg-secondary);border-right:1px solid var(--border-color);overflow-y:auto;overflow-x:hidden;padding:0;display:flex;flex-direction:column}.debug-panel::-webkit-scrollbar{width:6px}.debug-panel::-webkit-scrollbar-track{background:transparent}.debug-panel::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.debug-panel::-webkit-scrollbar-thumb:hover{background:var(--border-color-hover)}.panel-header{padding:16px 20px;border-bottom:1px solid var(--border-color);background:var(--bg-tertiary);position:sticky;top:0;z-index:10}[data-theme=light] .panel-header{background:var(--bg-secondary)}.panel-title{font-size:.85rem;font-weight:600;color:var(--text-primary);margin:0;display:flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.8px}.panel-title svg{color:var(--accent)}.debug-panel-section{padding:16px 20px;border-bottom:1px solid var(--border-color);transition:background var(--transition-fast)}.debug-panel-section:last-child{border-bottom:none}.debug-panel-section:hover{background:#ffffff05}[data-theme=light] .debug-panel-section:hover{background:#00000005}.section-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.section-icon{color:var(--text-tertiary);flex-shrink:0}.section-header h3{font-size:.8rem;font-weight:600;color:var(--text-secondary);margin:0;text-transform:uppercase;letter-spacing:.5px}.status-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:12px}[data-theme=light] .status-card{background:#fafbfc;border-color:#1f232826}.status-indicator{display:flex;align-items:center;gap:12px}.status-dot{width:12px;height:12px;border-radius:50%;background:var(--text-tertiary);flex-shrink:0;position:relative}.status-dot[data-status=connected]{background:var(--accent);box-shadow:0 0 #3fb950b3;animation:pulse-ring 2s ease-out infinite}.status-dot[data-status=connecting]{background:var(--accent-2);animation:pulse 1.5s infinite}.status-dot[data-status=disconnected]{background:#dc2626}.status-dot[data-status=error]{background:#dc2626;animation:shake .5s}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}@keyframes pulse-ring{0%{box-shadow:0 0 #3fb950b3}70%{box-shadow:0 0 0 6px #3fb95000}to{box-shadow:0 0 #3fb95000}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.status-text{font-size:.85rem;font-weight:600;color:var(--text-primary);flex:1}.connection-info{display:flex;flex-direction:column;gap:10px;margin-top:12px}.info-row{display:flex;justify-content:space-between;align-items:center;font-size:.75rem;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm)}[data-theme=light] .info-row{background:#fafbfc;border-color:#1f232826}.info-row .label{color:var(--text-tertiary);font-weight:500}.info-row .value{color:var(--accent);font-family:var(--font-mono);font-size:.7rem;font-weight:600}.component-list{display:flex;flex-direction:column;gap:8px;max-height:300px;overflow-y:auto}.component-item{padding:10px 12px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-normal)}.component-item:hover{border-color:var(--accent);background:var(--accent-dim);transform:translate(2px)}.component-item.active{border-color:var(--accent);background:var(--accent-dim)}.component-name{font-weight:600;color:var(--text-primary);font-size:.875rem;margin-bottom:4px}.component-entry{font-family:var(--font-mono);font-size:.7rem;color:var(--text-tertiary)}.component-empty{font-size:.85rem;color:var(--text-tertiary);text-align:center;padding:16px}.props-editor{display:flex;flex-direction:column;gap:10px}.props-editor textarea{width:100%;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-mono);font-size:.8rem;padding:10px;resize:vertical;min-height:120px;transition:border-color var(--transition-normal)}.props-editor textarea:focus{outline:none;border-color:var(--accent)}.props-actions{display:flex;gap:8px}.hmr-log{max-height:250px;overflow-y:auto;font-family:var(--font-mono);font-size:.75rem}.log-empty{text-align:center;color:var(--text-tertiary);padding:20px;font-size:.8rem}.log-entry{padding:6px 8px;border-bottom:1px solid var(--border-color);display:flex;gap:10px;align-items:center;transition:background var(--transition-fast)}.log-entry:hover{background:var(--bg-primary)}.log-time{color:var(--text-tertiary);font-size:.7rem;white-space:nowrap}.log-event{color:var(--accent);font-size:.7rem}.perf-stats{display:flex;flex-direction:column;gap:10px}.stat-item{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:var(--bg-primary);border-radius:var(--radius-sm)}.stat-label{font-size:.8rem;color:var(--text-tertiary);font-weight:500}.stat-value{font-size:.85rem;color:var(--text-primary);font-family:var(--font-mono);font-weight:600}.playground-main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-primary)}.playground-toolbar{padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:12px}.component-select{flex:1;max-width:300px;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;cursor:pointer;transition:all var(--transition-normal)}.component-select:hover:not(:disabled){border-color:var(--accent)}.component-select:focus{outline:none;border-color:var(--accent)}.component-select:disabled{opacity:.5;cursor:not-allowed}.btn{padding:8px 16px;border:none;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-normal);display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-light);transform:translateY(-1px);box-shadow:0 4px 12px #3fb9504d}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.playground-frame-container{flex:1;position:relative;overflow:hidden}.playground-iframe{width:100%;height:100%;border:none;background:#fff}.loading-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--bg-primary);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:16px;z-index:10}.loading-overlay.hidden{display:none}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay p{color:var(--text-secondary);font-size:.875rem}.error-message{text-align:center;padding:24px;max-width:400px}.error-message h3{color:#dc2626;margin-bottom:12px;font-size:1.2rem}.error-message p{color:var(--text-secondary);margin-bottom:20px}.nav-links a.active{color:var(--accent)}@media (max-width: 968px){.playground-container{flex-direction:column}.debug-panel{width:100%;max-width:none;height:40vh;max-height:400px;border-right:none;border-bottom:1px solid var(--border-color);overflow-y:auto}.playground-main{height:60vh}}@media (max-width: 768px){.playground-container{height:calc(100vh - 50px);margin-top:50px}.debug-panel{height:35vh;padding:12px}.debug-panel-section{padding:12px}.component-select{max-width:none}.playground-toolbar{flex-wrap:wrap;gap:8px}}.section-quickstart{background:#3fb95008;border-left:3px solid var(--accent)}[data-theme=light] .section-quickstart{background:#2da44e14;border-left-color:var(--accent)}.section-quickstart .section-icon{color:var(--accent)}.guide-intro{font-size:.75rem;color:var(--text-tertiary);margin:0 0 14px;line-height:1.5}.pm-tabs{display:flex;gap:6px;margin-bottom:14px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:4px}[data-theme=light] .pm-tabs{background:#fafbfc;border-color:#1f232826}.pm-tab{flex:1;padding:5px 8px;border:none;background:transparent;color:var(--text-tertiary);font-size:.7rem;font-weight:600;border-radius:4px;cursor:pointer;transition:all var(--transition-fast);text-transform:lowercase}.pm-tab:hover{color:var(--text-primary);background:var(--bg-tertiary)}.pm-tab.active{background:var(--accent);color:#fff;box-shadow:0 2px 4px #3fb95033}.guide-steps{display:flex;flex-direction:column;gap:12px}.guide-step{display:flex;gap:12px;align-items:flex-start}.step-number{width:24px;height:24px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0}.step-content{flex:1;min-width:0}.step-content h5{font-size:.8rem;font-weight:600;color:var(--text-primary);margin:0 0 8px}.step-desc{font-size:.7rem;color:var(--text-secondary);margin:0;line-height:1.5}.step-hint{font-size:.65rem;color:var(--text-tertiary);margin:6px 0 0;padding:6px 10px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);line-height:1.4}[data-theme=light] .step-hint{background:#fafbfc;border-color:#1f232826}.code-block{display:flex;align-items:center;gap:8px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:8px 10px;overflow:hidden}[data-theme=light] .code-block{background:#fafbfc;border-color:#1f232826}.code-block code{flex:1;font-family:var(--font-mono);font-size:.7rem;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.copy-btn{flex-shrink:0;width:24px;height:24px;background:transparent;border:1px solid var(--border-color);border-radius:4px;color:var(--text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.copy-btn:hover{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);transform:scale(1.05)}.copy-btn.copied{background:var(--accent);border-color:var(--accent);color:#fff}.guide-footer{margin-top:14px;padding-top:12px;border-top:1px solid var(--border-color);text-align:center}.guide-link{font-size:.7rem;color:var(--accent);text-decoration:none;font-weight:600;transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:4px}.guide-link:hover{color:var(--accent-light);transform:translate(2px)}@media (max-width: 968px){.guide-steps{gap:12px}.code-block code{font-size:.65rem}}