:root{--bg: #0b0f14;--panel: #0f1720;--ink: #dbe4ee;--muted: #8fa1b3;--accent: #6ea8fe;--on: #19c37d;--danger: #ef4444;--border: #1f2a36}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica Neue,Arial,"Apple Color Emoji","Segoe UI Emoji"}.app-root{padding:16px 20px}.title{margin:0 0 8px;font-weight:800;font-size:32px;color:#cfe1ff;letter-spacing:.2px}.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:8px;border:1px solid var(--border);background:var(--panel);border-radius:12px;margin-bottom:12px}.toolbar button{background:#17202a;color:var(--ink);border:1px solid var(--border);padding:6px 10px;border-radius:8px;cursor:pointer;font-size:13px}.toolbar button:hover{background:#1d2733}.toolbar button.on{background:#15302a;border-color:#1f6f55;color:#bdf5dc}.toolbar .sep{width:1px;height:24px;background:var(--border);margin:0 4px}.toolbar label{color:var(--muted);font-size:12px}.toolbar .val{color:var(--muted);font-size:12px;min-width:48px;display:inline-block;text-align:right}.toolbar input[type=range]{width:140px}.toolbar .num{width:64px;padding:4px 6px;background:#0e1319;color:var(--ink);border:1px solid var(--border);border-radius:8px}.toolbar .debug{margin-left:6px;display:flex;align-items:center;gap:6px}.stage{display:grid;grid-template-columns:200px 1fr;gap:12px;align-items:start}.left-dock{border:1px solid var(--border);background:var(--panel);border-radius:12px;padding:10px}.palette-title{color:var(--muted);font-size:12px;margin-bottom:6px}.swatches{display:grid;grid-template-columns:repeat(6,28px);gap:8px}.swatch{width:28px;height:28px;border-radius:6px;border:1px solid var(--border);cursor:pointer}.swatch.active{outline:2px solid var(--accent)}.canvas-wrap{border:1px solid var(--border);border-radius:12px;background:radial-gradient(900px 600px at 40% -15%,#111f32,transparent 60%),#0a0f14;padding:12px;display:flex;justify-content:center;align-items:center;min-height:540px}.canvas-wrap canvas{display:block;background:transparent;border-radius:8px}.canvas-wrap.grab{cursor:grab}.canvas-wrap.grabbing{cursor:grabbing}.canvas-wrap.crosshair{cursor:crosshair}html,body,#root,.chainmail-stage,.stage-center,canvas{width:100%;height:100%;margin:0;padding:0;background:#0b0f14}input[type=checkbox]{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:4px;border:1px solid var(--border);background-color:#111827;position:relative}input[type=checkbox]:checked:after{content:"✓";position:absolute;top:-2px;left:3px;color:#19c37d;font-size:14px;font-weight:700}html,body{-webkit-touch-callout:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}input[type=checkbox]{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:4px;border:1px solid rgba(100,116,139,.8);background-color:#111827;position:relative;cursor:pointer}input[type=checkbox]:checked:after{content:"✓";position:absolute;top:-1px;left:3px;color:#19c37d;font-size:15px;font-weight:700}.fade-enter{opacity:0}.fade-enter-active{opacity:1;transition:opacity .4s ease-in}.fade-exit{opacity:1}.fade-exit-active{opacity:0;transition:opacity .3s ease-out}button,.icon-btn{-webkit-user-select:none;user-select:none;touch-action:manipulation;cursor:pointer}.icon-btn:before{content:"−";display:inline-block;font-weight:700;font-size:20px;line-height:1;color:#dbe4ee}.icon-btn.collapsed:before{content:"+"}button:active,.icon-btn:active{transform:scale(.96);opacity:.9}.chainmail-stage{position:relative;width:100%;height:100%;background-color:#1f2937;background-image:radial-gradient(#3b4252 1px,transparent 1px);background-size:24px 24px;overflow:hidden}.stage-center{position:absolute;inset:0;display:grid;place-items:center}.panel{background:#111827e6;border:1px solid rgba(71,85,105,.8);border-radius:10px;box-shadow:0 8px 30px #00000059;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.panel-heading{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#cbd5e1;padding:8px 10px 0}.panel-section{padding:8px 10px 10px}.icon-btn{width:34px;height:34px;border-radius:8px;border:1px solid rgba(71,85,105,.8);background:#1e293be6;display:grid;place-items:center;cursor:pointer}.icon-btn:hover{background:#334155f2}.dock{position:absolute;padding:8px}.toolbar-left{left:12px;top:80px;display:grid;gap:8px}.toolbar-right{right:12px;top:80px;display:grid;gap:8px}.top-left-controls{position:absolute;left:12px;top:12px;display:flex;gap:8px;align-items:center}.palette-dock{left:12px;bottom:12px}.preview-dock{right:12px;bottom:12px;width:280px}.palette-row{display:flex;gap:6px;flex-wrap:wrap;padding:8px}.swatch{width:22px;height:22px;border-radius:999px;border:1px solid rgba(255,255,255,.65);cursor:pointer}.swatch:hover{transform:scale(1.06)}.mini-input{width:64px;padding:4px 6px;font-size:12px;color:#e5e7eb;background:#111827;border:1px solid #475569;border-radius:6px}#chainmail-canvas{outline:1px solid rgba(255,255,255,.06);background:#111827;border-radius:10px}