:root{--bg: #FFFFFF;--bg-surface: #F7F8FA;--bg-panel: rgba(247, 248, 250, .95);--bg-card: rgba(255, 255, 255, .9);--bg-hover: rgba(0, 0, 0, .04);--border: rgba(0, 0, 0, .1);--border-active: rgba(0, 0, 0, .2);--fg: #1A1D23;--fg-muted: #5F6B7A;--fg-dim: #8F99A8;--accent-mint: #0FAF82;--accent-cyan: #0891B2;--accent-icy: #0284C7;--accent-lavender: #7C3AED;--accent-fuchsia: #C026D3;--accent-amber: #D97706;--accent-red: #DC2626;--accent-green: #16A34A;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--rail-width: 220px;--inspector-width: 320px;--header-height: 52px;--timeline-height: 120px;color-scheme:light}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-width:320px;overflow:hidden}*,*:before,*:after{box-sizing:border-box}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:none;border:none}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px}a{color:var(--accent-cyan);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,p{margin:0}h1{font-size:24px;font-weight:700;letter-spacing:-.5px}h2{font-size:16px;font-weight:600;letter-spacing:-.3px}h3{font-size:13px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--fg-muted)}code,pre{font-family:var(--font-mono)}::selection{background:#0891b233}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#0000002e;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#0000004d}.app-shell{display:grid;grid-template-columns:var(--rail-width) 1fr var(--inspector-width);grid-template-rows:var(--header-height) 1fr var(--timeline-height);height:100vh;width:100vw;overflow:hidden}.app-header{grid-column:1 / -1;grid-row:1;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:var(--bg-surface);border-bottom:1px solid var(--border);z-index:20}.header-left{display:flex;align-items:center;gap:16px}.header-brand{display:flex;align-items:center;gap:10px;color:var(--fg);font-weight:700;font-size:15px;letter-spacing:.12em;text-transform:uppercase}.brand-mark{width:28px;height:28px;border:2px solid var(--accent-cyan);border-radius:8px;position:relative;transform:rotate(-12deg)}.brand-mark span{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--accent-cyan)}.brand-mark span:nth-child(1){left:4px;top:4px}.brand-mark span:nth-child(2){right:4px;top:7px}.brand-mark span:nth-child(3){left:9px;bottom:4px}.header-search{display:flex;align-items:center;gap:8px;background:#0000000a;border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 12px;color:var(--fg-dim);font-size:13px;min-width:220px;cursor:pointer;transition:border-color .15s}.header-search:hover{border-color:var(--border-active)}.header-search kbd{font-family:var(--font-mono);font-size:11px;background:#0000000f;border-radius:3px;padding:1px 5px;margin-left:auto}.header-right{display:flex;align-items:center;gap:12px}.header-icon-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);color:var(--fg-muted);transition:background .15s,color .15s}.header-icon-btn:hover{background:var(--bg-hover);color:var(--fg)}.header-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--accent-lavender),var(--accent-cyan));display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff}.side-rail{grid-column:1;grid-row:2 / 4;background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;z-index:10}.rail-scroll{flex:1;overflow-y:auto;padding:16px 12px}.workspace-switcher{position:relative;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border)}.workspace-switcher-btn{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;color:var(--fg);font-size:13px;font-weight:600;cursor:pointer;transition:background .12s,border-color .12s;text-align:left}.workspace-switcher-btn:hover{background:var(--bg-hover);border-color:var(--border)}.workspace-switcher-indicator{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--accent-lavender),var(--accent-cyan));flex-shrink:0}.workspace-switcher-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-switcher-chevron{flex-shrink:0;color:var(--fg-dim);transition:transform .15s}.workspace-switcher-chevron.rotated{transform:rotate(180deg)}.workspace-switcher-dropdown{position:absolute;top:calc(100% - 8px);left:0;right:0;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:0 8px 24px #00000059;z-index:50;max-height:260px;overflow-y:auto;padding:4px}.workspace-switcher-empty{padding:12px 10px;font-size:12px;color:var(--fg-dim);text-align:center}.workspace-switcher-option{display:flex;align-items:center;gap:8px;width:100%;padding:7px 10px;border-radius:4px;background:transparent;border:none;color:var(--fg-muted);font-size:13px;cursor:pointer;text-align:left;transition:background .12s,color .12s}.workspace-switcher-option:hover{background:var(--bg-hover);color:var(--fg)}.workspace-switcher-option.selected{background:#0891b214;color:var(--accent-cyan);font-weight:600}.workspace-switcher-option-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-mint);flex-shrink:0}.workspace-switcher-option.selected .workspace-switcher-option-dot{background:var(--accent-cyan);box-shadow:0 0 6px #0891b24d}.workspace-switcher-option-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-switcher-option-status{font-size:10px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:.06em}.workspace-switcher-new{border-top:1px solid var(--border);margin-top:4px;padding-top:8px;color:var(--fg-dim);font-size:12px}.workspace-switcher-new:hover{color:var(--accent-cyan)}.rail-section{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}.rail-section:last-child{border-bottom:none}.rail-label{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-dim);padding:0 8px;margin-bottom:8px}.rail-nav-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border-radius:var(--radius-sm);color:var(--fg-muted);font-size:13px;font-weight:500;transition:background .12s,color .12s;text-decoration:none}.rail-nav-item:hover{background:var(--bg-hover);color:var(--fg);text-decoration:none}.rail-nav-item.active{background:#0891b214;color:var(--accent-cyan);font-weight:600}.rail-nav-item svg{width:16px;height:16px;flex-shrink:0}.rail-nav-indicator{margin-left:auto;width:6px;height:6px;border-radius:50%;background:var(--accent-mint)}.rail-bottom{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px;font-size:11px;color:var(--fg-dim)}.connection-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.connection-dot.connected{background:var(--accent-green);box-shadow:0 0 6px #16a34a4d}.connection-dot.disconnected{background:var(--accent-red);box-shadow:0 0 6px #dc26264d}.main-canvas{grid-column:2;grid-row:2;overflow:auto;position:relative;background:var(--bg)}.page-content{padding:24px 28px;max-width:1200px;min-height:100%}.inspector-panel{grid-column:3;grid-row:2;background:var(--bg-panel);border-left:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.inspector-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}.inspector-header h3{font-size:11px}.inspector-section{padding:16px 18px;border-bottom:1px solid var(--border)}.inspector-section-title{display:flex;align-items:center;gap:8px;margin-bottom:12px}.inspector-icon{width:26px;height:26px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.inspector-icon.mint{background:#0faf821a;color:var(--accent-mint)}.inspector-icon.cyan{background:#0891b21a;color:var(--accent-cyan)}.inspector-icon.lavender{background:#7c3aed1a;color:var(--accent-lavender)}.inspector-icon.amber{background:#d977061a;color:var(--accent-amber)}.inspector-section h4{font-size:12px;font-weight:600;color:var(--fg-muted)}.inspector-section p{font-size:12px;color:var(--fg-dim);line-height:1.5;margin-top:4px}.timeline-dock{grid-column:2 / -1;grid-row:3;background:var(--bg-surface);border-top:1px solid var(--border);padding:12px 20px;overflow:hidden;display:flex;flex-direction:column}.timeline-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.timeline-header h3{font-size:11px}.timeline-count{font-size:11px;color:var(--fg-dim);font-family:var(--font-mono)}.timeline-track{flex:1;display:flex;align-items:flex-start;gap:12px;overflow-x:auto;position:relative;padding-top:8px}.timeline-track:before{content:"";position:absolute;top:12px;left:0;right:0;height:1px;background:var(--border-active)}.timeline-event{position:relative;min-width:140px;max-width:200px;padding-left:14px;flex-shrink:0}.timeline-node{position:absolute;left:0;top:0;width:9px;height:9px;border-radius:50%;background:var(--accent-cyan);border:2px solid var(--bg-surface);box-shadow:0 0 0 1px var(--border-active)}.timeline-event-label{font-size:11px;font-weight:600;color:var(--fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.timeline-event-time{font-size:10px;color:var(--fg-dim);margin-top:2px}.timeline-empty{color:var(--fg-dim);font-size:12px;padding:16px 0}.app-shell--landing{display:block}.main-canvas--landing{grid-column:unset;grid-row:unset;width:100vw;height:100vh;overflow:hidden}.rail-nav-item--disabled{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border-radius:var(--radius-sm);color:var(--fg-dim);font-size:13px;font-weight:500;opacity:.4;cursor:not-allowed;pointer-events:none}.rail-nav-item--disabled svg{width:16px;height:16px;flex-shrink:0}.mobile-menu-btn{display:none}@media(max-width:1100px){.app-shell{grid-template-columns:var(--rail-width) 1fr}.inspector-panel{display:none}.timeline-dock{grid-column:2}}@media(max-width:768px){.app-shell{grid-template-columns:1fr;grid-template-rows:var(--header-height) 1fr var(--timeline-height)}.side-rail{position:fixed;left:0;top:0;bottom:0;width:260px;transform:translate(-100%);transition:transform .2s ease;z-index:100;box-shadow:4px 0 24px #00000026}.side-rail.open{transform:translate(0)}.inspector-panel{display:none}.timeline-dock{grid-column:1}.mobile-menu-btn{display:flex}.header-search{display:none}}