:root{color-scheme:dark;--bg: #0f1115;--fg: #e6e6e6;--muted: #888;--pos: #4aa3ff;--neg: #ff5a5a;--halo: #ffd96b;--wire: #a8aebc}.theme-cool{--bg: #0f1115;--pos: #4aa3ff;--neg: #ff5a5a;--halo: #ffd96b;--wire: #a8aebc;--fg: #e6e6e6}.theme-neon{--bg: #0a0f1a;--pos: #aef64f;--neg: #ff3aa6;--halo: #ffe27a;--wire: #a8b0bc;--fg: #ecf2f6}.theme-mono{--bg: #4d5158;--pos: #ffffff;--neg: #18181a;--halo: #f5a623;--wire: #1c1c1f;--fg: #f1f1f1}.theme-cyber{--bg: #08081a;--pos: #00e1ff;--neg: #ff5cf7;--halo: #ffea29;--wire: #8b91a8;--fg: #e9e9ff}.theme-warm{--bg: #1a1410;--pos: #ffb547;--neg: #8a4dff;--halo: #ffe27a;--wire: #c4b1a5;--fg: #f4ebdf}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}.app{display:flex;flex-direction:column;height:100%}.header{padding:8px 16px;border-bottom:1px solid #222;display:flex;gap:16px;align-items:center;flex-wrap:wrap}.header h1{font-size:14px;font-weight:600;margin:0;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}.sample-picker{display:flex;flex-wrap:wrap;gap:10px}.sample-group{display:flex;gap:2px}.sample-picker button{background:#1a1d24;color:var(--fg);border:1px solid #2a2d36;padding:4px 10px;font-family:inherit;font-size:12px;cursor:pointer;border-radius:3px}.sample-picker button.active{background:var(--pos);color:#000;border-color:var(--pos)}.sample-picker button:disabled,.phase-bar button:disabled{opacity:.4;cursor:not-allowed}.focus-tabs{display:flex;gap:2px;margin-left:12px}.focus-tabs button{background:#14171c;color:var(--muted);border:1px solid #2a2d36;padding:4px 10px;font-family:inherit;font-size:12px;cursor:pointer}.focus-tabs button.active{background:var(--halo);color:#000;border-color:var(--halo)}.auto-focus{display:inline-flex;align-items:center;gap:4px;margin-left:8px;font-size:11px;color:var(--muted);-webkit-user-select:none;user-select:none;cursor:pointer}.auto-focus input{accent-color:var(--halo);cursor:pointer}.theme-picker{display:inline-flex;gap:4px;margin-left:8px;padding-left:8px;border-left:1px solid #2a2d36}.theme-picker button{width:18px;height:18px;border-radius:4px;border:1px solid #00000044;padding:0;cursor:pointer;opacity:.65;transition:opacity .12s,transform .12s}.theme-picker button:hover{opacity:1}.theme-picker button.active{opacity:1;box-shadow:0 0 0 2px var(--halo);transform:scale(1.06)}.phase-bar{display:flex;gap:6px;align-items:center;margin-left:auto}.phase-bar button{background:#1a1d24;color:var(--fg);border:1px solid #2a2d36;padding:4px 10px;font-family:inherit;font-size:12px;cursor:pointer;border-radius:3px}.phase-label{font-size:12px;color:var(--halo);font-variant-numeric:tabular-nums;min-width:200px;text-align:right}.board{flex:1;min-height:0;background:var(--bg)}.board svg{display:block;width:100%;height:100%}.wires-layer{opacity:0;transition:opacity .28s ease;pointer-events:none}.wires-layer.active{opacity:.72}.wires.show-all .wires-layer{opacity:.22}.wires.show-all .wires-layer.active{opacity:.78}.input-pixels{opacity:1;transition:opacity .28s ease-out}.input-pixels.gone{opacity:0}.marbles{opacity:1;transition:opacity .22s ease-in 60ms}.marbles.hidden{opacity:0;transition:none}.marbles.no-halos .halo{display:none}.input-pixels.editable rect{cursor:pointer}.input-pixels.editable rect:hover{stroke:var(--halo);stroke-width:.08}.draw-btn{background:#1a1d24;color:var(--fg);border:1px dashed #555a66;padding:4px 12px;font-family:inherit;font-size:12px;cursor:pointer;border-radius:3px;margin-left:8px}.draw-btn:hover{border-color:var(--halo);color:var(--halo)}.draw-btn:disabled{opacity:.4;cursor:not-allowed}.sample-group.user button{border-color:var(--halo);color:var(--halo)}.sample-group.user button.active{background:var(--halo);color:#000}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000009e;display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.draw-modal{background:#181b21;color:var(--fg);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:12px;width:min(440px,100%);box-shadow:0 30px 80px #0009}.draw-modal header{display:flex;align-items:center;justify-content:space-between}.draw-modal h2{font-size:14px;margin:0;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.draw-modal .ghost{background:none;border:none;color:var(--muted);font-size:22px;width:28px;height:28px;cursor:pointer;line-height:1}.draw-modal .ghost:hover{color:var(--halo)}.draw-canvas{width:100%;aspect-ratio:1;background:#000;border-radius:6px;touch-action:none;-webkit-user-select:none;user-select:none;cursor:crosshair;border:1px solid #2a2d36}.brush-row label{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted)}.brush-row input[type=range]{flex:1;accent-color:var(--halo)}.brush-readout{font-variant-numeric:tabular-nums;color:var(--fg);min-width:28px;text-align:right}.draw-modal .actions{display:flex;gap:8px;justify-content:flex-end}.draw-modal .actions button{background:#14171c;color:var(--fg);border:1px solid #2a2d36;padding:6px 14px;font-family:inherit;font-size:13px;border-radius:4px;cursor:pointer}.draw-modal .actions button:hover{border-color:#555a66}.draw-modal .actions button.primary{background:var(--halo);color:#000;border-color:var(--halo)}.draw-modal .actions button.primary:disabled{opacity:.4;cursor:not-allowed}.status{padding:6px 16px;font-size:12px;color:var(--muted);border-top:1px solid #222;display:flex;gap:24px}