.split-panels{grid-template-columns:1fr 2fr;min-height:600px}.panel-left .CodeMirror{font-size:11px}.panel-header{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;padding-bottom:8px;margin-bottom:8px;border-bottom:1px solid var(--border)}.output-card{display:flex;flex-direction:column;flex:1;min-height:550px}.header-actions-row{display:flex;align-items:center;gap:8px;padding-bottom:8px;margin-bottom:4px;border-bottom:1px solid var(--border);flex-wrap:wrap}.zoom-group{display:flex;align-items:center;gap:4px;flex-shrink:0}.zoom-btn{background:var(--bg3);border:1px solid var(--border);color:var(--muted);width:28px;height:28px;border-radius:var(--r);cursor:pointer;font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .15s}.zoom-btn:hover{background:#2d333b;color:var(--text)}.zoom-level{font-size:11px;font-family:JetBrains Mono,monospace;color:var(--muted);min-width:44px;text-align:center}.export-group{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-left:auto}.diagram-wrap{display:flex;flex-direction:column;overflow:hidden;min-height:500px;flex:1;gap:12px}.diagram-canvas{position:relative;overflow:hidden;min-height:480px;flex:1;display:flex;flex-direction:column}#mermaidContainer{width:100%;height:100%;min-height:480px;flex:1;cursor:grab;overflow:hidden;display:flex;align-items:center;justify-content:center}#mermaidContainer:active{cursor:grabbing}.diagram-wrap svg{display:block;width:100%;height:100%;overflow:hidden}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--dim);padding:60px 20px}.empty-icon{width:56px;height:56px;border:2px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;opacity:.5}.empty-state h3{font-size:15px;font-weight:500;color:var(--muted);margin:0}.empty-state p{font-size:12px;margin:0}.loading-overlay{position:absolute;inset:0;background:#0d1117b3;display:none;align-items:center;justify-content:center;gap:10px;font-size:14px;color:var(--muted);z-index:10;backdrop-filter:blur(2px)}.loading-overlay.show{display:flex}.panel-left textarea{width:100%;flex:1;min-height:200px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);color:var(--text);padding:12px;font-family:JetBrains Mono,monospace;font-size:13px;line-height:1.5;resize:vertical;outline:none;tab-size:2;-moz-tab-size:2}.panel-left textarea:focus{border-color:var(--accent)}.panel-actions{display:flex;gap:8px;margin-top:12px}.panel-actions .btn-primary:active{transform:scale(.98)}.char-count{font-size:10px;color:var(--dim);font-family:JetBrains Mono,monospace;margin-left:auto}.status-bar{padding:4px 16px;border-top:1px solid var(--border);background:var(--bg2);display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--dim);flex-shrink:0}.dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block;margin-right:6px;animation:pulse 2.5s infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.hidden,#mermaidCode{display:none}@media(max-width:768px){.split-panels{grid-template-columns:1fr}.header-actions-row{gap:4px}.export-group .btn-ghost.sm{padding:4px 6px;font-size:10px}}#codePanelWrap{display:none;flex-direction:column;border:1px solid var(--border);background:#0d1117;flex-shrink:0;height:260px;min-height:180px;max-height:420px;position:relative;border-radius:8px;margin-bottom:12px;overflow:hidden}#codePanelWrap.open{display:flex}#codePanelWrap .CodeMirror{flex:1;height:calc(100% - 33px)!important;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;border:none;background:#0d1117}#codePanelWrap .CodeMirror-scroll{margin-right:0!important;margin-bottom:0!important;padding-bottom:0!important;min-height:100%!important;max-height:100%!important;overflow-y:auto!important;overflow-x:auto!important}.mermaid-suite-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;padding:4px 2px 10px;margin-bottom:16px;scrollbar-width:thin;scrollbar-color:var(--border, #30363d) transparent;-webkit-overflow-scrolling:touch;border-bottom:1px solid var(--border, #30363d)}.mermaid-suite-nav::-webkit-scrollbar{height:4px}.mermaid-suite-nav::-webkit-scrollbar-thumb{background:var(--border, #30363d);border-radius:4px}.suite-tab{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;background:var(--bg2, #161b22);border:1px solid var(--border, #30363d);color:var(--muted, #8b949e);font-size:12px;font-weight:500;text-decoration:none;white-space:nowrap;transition:all .2s ease;flex-shrink:0}.suite-tab:hover{background:var(--bg3, #21262d);color:var(--text, #c9d1d9);border-color:#484f58}.suite-tab.active{background:linear-gradient(135deg,#1f6beb,#238636);color:#fff;border-color:transparent;font-weight:600;box-shadow:0 2px 8px #1f6beb4d}@media(max-width:1024px){.split-panels{grid-template-columns:1fr;gap:16px;min-height:auto}.panel-left{min-height:320px}.panel-right{min-height:400px}.diagram-canvas{min-height:380px}}@media(max-width:768px){.title-section h1{font-size:1.5rem!important}.title-section p{font-size:.85rem!important}.mermaid-suite-nav{padding:6px 2px 8px;margin-bottom:12px;gap:4px}.suite-tab{padding:5px 10px;font-size:11px;border-radius:16px}.split-panels{display:flex;flex-direction:column;gap:12px;min-height:auto}.panel-card,.output-card{padding:12px!important;border-radius:8px}.panel-header{font-size:11px;padding-bottom:6px;margin-bottom:6px}.panel-actions{flex-wrap:wrap;gap:6px}.panel-actions .btn{flex:1 1 auto;min-width:80px;padding:7px 10px;font-size:12px;justify-content:center}.header-actions-row{flex-wrap:wrap;gap:8px;padding-bottom:6px}.export-group{width:100%;justify-content:space-between;flex-wrap:wrap;gap:4px}.export-group .btn-ghost.sm{padding:5px 8px;font-size:11px;flex:1 1 auto;text-align:center;justify-content:center}.zoom-group{width:100%;justify-content:center;background:var(--bg2, #161b22);padding:4px;border-radius:6px}.panel-left .CodeMirror{font-size:11.5px;min-height:220px}#codePanelWrap{height:220px;max-height:300px}.diagram-canvas{min-height:320px;border-radius:6px}}@media(max-width:480px){.panel-actions .btn{font-size:11px;padding:6px 8px}.suite-tab{font-size:10.5px;padding:4px 8px}.diagram-canvas{min-height:280px}}