:root{color-scheme:light;--bg: #f5f1e8;--panel: #fffdf8;--panel-2: #f1ece2;--line: #d8cfbf;--text: #142033;--muted: #5d687a;--accent: #214d65;--accent-2: #d8a45c;--good: #1f7a52;--warn: #b56a16;--bad: #9e2b2b;--shadow: 0 20px 50px rgba(20, 32, 51, .09);--radius: 20px;--radius-sm: 14px;--space-1: 6px;--space-2: 10px;--space-3: 14px;--space-4: 18px;--space-5: 24px;--space-6: 32px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:radial-gradient(circle at top left,rgba(33,77,101,.08),transparent 36%),radial-gradient(circle at top right,rgba(216,164,92,.09),transparent 30%),var(--bg);color:var(--text)}button,select,input{font:inherit}button{border:0;background:transparent;color:inherit}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh}.surface{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.surface-soft{background:#fffdf8d6;border:1px solid rgba(216,207,191,.72);border-radius:var(--radius);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.page{width:min(1440px,calc(100vw - 32px));margin:0 auto;padding:24px 0 32px}.grid-shell{display:grid;grid-template-columns:300px minmax(0,1fr) 320px;gap:16px;align-items:start}.rail{display:flex;flex-direction:column;gap:14px;min-height:82vh}.rail.collapsed{width:76px}.rail-card,.workspace-card,.panel-card{padding:16px}.header-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.title{margin:0;font-size:18px;letter-spacing:-.02em}.section-title{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.muted{color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 14px;border-radius:999px;background:var(--accent);color:#fff;cursor:pointer;transition:transform .12s ease,opacity .12s ease,background .12s ease}.button:hover{transform:translateY(-1px)}.button.secondary{background:var(--panel-2);color:var(--text);border:1px solid var(--line)}.button.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;background:#214d6514;color:var(--accent);font-size:12px}.chip.good{background:#1f7a521f;color:var(--good)}.chip.warn{background:#b56a161f;color:var(--warn)}.chip.bad{background:#9e2b2b1f;color:var(--bad)}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;align-items:center;justify-content:space-between;gap:10px}.tree{display:flex;flex-direction:column;gap:8px}.tree-node{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;cursor:pointer;border:1px solid transparent}button.tree-node{width:100%;color:inherit;font:inherit;text-align:left;background:transparent}.tree-group{font-weight:700}.tree-leaf{margin-left:18px;width:calc(100% - 18px)}.tree-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-icon{width:24px;height:24px;flex:0 0 24px;display:grid;place-items:center;border-radius:8px;color:var(--accent);background:#214d6514}.tree-icon svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.tree-icon-classes,.tree-icon-classification{color:#9a5a24;background:#9a5a241a}.tree-icon-branches,.tree-icon-branch{color:#35704b;background:#35704b1a}.tree-icon-detection{color:#b6483f;background:#b6483f1a}.tree-icon-semantic{color:#247d7a;background:#247d7a1a}.tree-icon-instance{color:#73598e;background:#73598e1a}.tree-node:hover{background:#214d650d}.tree-node.active{background:#214d6514;border-color:#214d6529}.tree-indent{padding-left:18px}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 7px;border-radius:999px;background:#14203314;color:var(--muted);font-size:12px}.toolbar{display:flex;flex-wrap:wrap;gap:8px}.input,.select,.textarea{width:100%;border:1px solid var(--line);background:#ffffffb8;color:var(--text);border-radius:14px;padding:11px 12px}.textarea{min-height:88px;resize:vertical}.segmented{display:inline-flex;padding:4px;border-radius:999px;background:var(--panel-2);gap:4px}.segmented button{min-height:34px;padding:0 12px;border-radius:999px;color:var(--muted)}.segmented button.active{background:var(--panel);color:var(--text);box-shadow:0 2px 8px #14203314}.workspace-frame{display:flex;flex-direction:column;gap:14px}.workspace-main{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:16px}.canvas{min-height:500px;border-radius:24px;background:linear-gradient(145deg,rgba(33,77,101,.06),transparent 42%),linear-gradient(180deg,#ffffffe0,#f1ece2b3);border:1px solid var(--line);position:relative;overflow:hidden}.canvas:after{content:"";position:absolute;top:18px;right:18px;bottom:18px;left:18px;border:1px dashed rgba(20,32,51,.14);border-radius:18px}.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.thumb{border:1px solid var(--line);border-radius:16px;background:#ffffffc7;padding:10px;display:flex;flex-direction:column;gap:8px}.thumb.active{border-color:#214d6561;box-shadow:0 0 0 3px #214d6514}.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);gap:20px;align-items:stretch}.hero-copy{padding:36px}.hero-visual{padding:24px;display:grid;gap:14px}.mini-stat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.stat{padding:12px;border-radius:16px;background:#214d650f}.stat strong{display:block;font-size:18px}.flow-steps{display:grid;gap:10px}.flow-step{padding:12px 14px;border-radius:16px;background:#ffffffbd;border:1px solid var(--line)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.status-dot{width:10px;height:10px;border-radius:999px;background:var(--good)}.status-dot.warn{background:var(--warn)}.status-dot.bad{background:var(--bad)}@media (max-width: 1200px){.grid-shell{grid-template-columns:280px minmax(0,1fr)}.grid-shell .right-rail{display:none}}@media (max-width: 900px){.page{width:min(100vw - 20px,100vw);padding-top:12px}.grid-shell,.workspace-main,.hero,.card-grid,.mini-stat,.image-grid{grid-template-columns:minmax(0,1fr)}.rail{min-height:auto}}