:root{color:#111827;font-synthesis:none;background:#f8fafc;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{cursor:pointer}.app{width:min(1380px,100% - 28px);margin:0 auto;padding:34px 0 48px}.hero{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px;display:flex}.eyebrow{letter-spacing:.18em;color:#2563eb;margin-bottom:8px;font-size:12px;font-weight:800;display:inline-block}.hero h1{letter-spacing:-.045em;margin:0;font-size:clamp(34px,5vw,66px);line-height:.98}.hero p{color:#5f6b7b;max-width:700px;margin:16px 0 0;font-size:16px;line-height:1.65}.status{white-space:nowrap;color:#374151;align-items:center;gap:9px;font-size:13px;font-weight:700;display:flex}.dot{background:#22c55e;border-radius:50%;width:9px;height:9px;box-shadow:0 0 0 5px #22c55e1f}.viewer-shell{background:#fff;border:1px solid #d9e1ec;border-radius:24px;grid-template-columns:minmax(0,1fr) 310px;display:grid;overflow:hidden;box-shadow:0 20px 50px #0f172a14}.canvas-wrap{background:radial-gradient(circle at 50% 35%,#fff 0%,#eef2f7 60%,#e5ebf2 100%);min-height:620px;position:relative}.canvas-wrap canvas{touch-action:none;width:100%;height:100%;min-height:620px;display:block}.viewer-hint{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#64748b;background:#ffffffd1;border:1px solid #cdd6e2e6;border-radius:999px;align-items:center;gap:8px;padding:10px 14px;font-size:12px;display:flex;position:absolute;bottom:18px;left:20px}.viewer-hint strong{color:#111827}.controls-panel{background:#fbfdff;border-left:1px solid #d9e1ec;flex-direction:column;gap:24px;padding:22px;display:flex}.control-group{flex-direction:column;gap:12px;display:flex}.control-group label{letter-spacing:.04em;text-transform:uppercase;color:#475569;font-size:12px;font-weight:800}.paint-row{flex-wrap:wrap;gap:10px;display:flex}.paint{border:3px solid #0000;border-radius:50%;outline:1px solid #cbd5e1;width:38px;height:38px;transition:transform .18s}.paint:hover{transform:translateY(-1px)}.paint.active{border-color:#fff;outline:3px solid #2563eb}.view-grid{grid-template-columns:repeat(2,1fr);gap:9px;display:grid}.view-grid button,.wide,.reset{color:#172033;background:#fff;border:1px solid #d6deea;border-radius:12px;min-height:44px;font-weight:700}.view-grid button:hover,.wide:hover{background:#f3f6fa}.view-grid .active-button{color:#1d4ed8;background:#eff6ff;border-color:#2563eb}.wide{width:100%}.reset{color:#fff;background:#111827;border-color:#111827}.reset:hover{background:#1f2937}.mini-card{background:#eef3f8;border-radius:14px;flex-direction:column;gap:4px;margin-top:auto;padding:15px;display:flex}.mini-card span,.mini-card small{color:#64748b;font-size:12px}.mini-card strong{font-size:13px}.mini-card code{color:#1d4ed8;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}@media (width<=900px){.viewer-shell{grid-template-columns:1fr}.controls-panel{border-top:1px solid #d9e1ec;border-left:0}.canvas-wrap,.canvas-wrap canvas{min-height:520px}}@media (width<=620px){.app{width:min(100% - 18px,1380px);padding-top:22px}.hero{flex-direction:column;align-items:flex-start}.canvas-wrap,.canvas-wrap canvas{min-height:430px}.viewer-hint{border-radius:14px;flex-wrap:wrap;justify-content:center;bottom:12px;left:12px;right:12px}.controls-panel{padding:16px}}