:root{--bg: #f4f5f7;--panel: #ffffff;--input-bg: #ffffff;--canvas-bg: #ffffff;--border: #e1e4e8;--text: #1c1c1e;--muted: #8e8e93;--accent: #0088ff;--tint-green: #248a3d;--tint-blue: #0071e3;--tint-purple: #8944ab;--tint-orange: #c93400;--tint-red: #d70015;--tint-gray: #6e6e73;font-family:Inter,-apple-system,Segoe UI,Arial,sans-serif}:root[data-theme=dark]{--bg: #1c1c1e;--panel: #2c2c2e;--input-bg: #3a3a3c;--canvas-bg: #161618;--border: #3a3a3c;--text: #f2f2f7;--muted: #98989f;--accent: #0a84ff;--tint-green: #30d158;--tint-blue: #409cff;--tint-purple: #da8fff;--tint-orange: #ff9f0a;--tint-red: #ff6961;--tint-gray: #aeaeb2;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}html,body{height:100%}body{overflow:hidden}.app{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden}.island,.panel{background:color-mix(in srgb,var(--panel) 86%,transparent);-webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4);border:1px solid var(--border);border-radius:14px;box-shadow:0 8px 28px #0000001a,0 1px 3px #0000000f}.island{padding:10px 12px;pointer-events:auto}.overlay-left{position:absolute;top:16px;left:16px;width:max-content;max-width:min(680px,calc(100vw - 368px));display:flex;flex-direction:column;align-items:stretch;gap:10px;pointer-events:none}.overlay-left>.island{max-width:100%}.app-head{display:flex;flex-direction:column;gap:8px}.app-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.app-head h1{margin:0;font-size:15px;font-weight:700}.canvas{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;background:var(--canvas-bg);touch-action:none}.reset-view{position:absolute;left:16px;bottom:16px}.tool.island{padding:8px 12px;border-radius:10px}.hover-node{fill:#0088ff1f;stroke:#8e8e93;stroke-opacity:.8;stroke-width:1}.cell{cursor:pointer}.preset-bar{display:flex;flex-direction:column;align-items:stretch;gap:6px}.preset-bar>.preset-select,.preset-bar>.preset-name{flex:none;width:0;min-width:100%}.action-list{display:flex;flex-direction:column;align-items:stretch;gap:2px}.action-btn{display:flex;align-items:center;gap:8px;height:30px;padding:0 9px;border:1px solid transparent;border-radius:8px;background:none;color:var(--text);font:inherit;font-size:13px;text-align:left;cursor:pointer}.action-btn svg{flex-shrink:0;color:var(--tint)}.action-btn:hover:not(:disabled){background:color-mix(in srgb,var(--tint) 14%,transparent)}.action-btn.active{background:color-mix(in srgb,var(--tint) 20%,transparent);border-color:color-mix(in srgb,var(--tint) 50%,transparent)}.action-btn:disabled{opacity:.35;cursor:default}.preset-select,.preset-name{flex:1;min-width:0;height:30px;border:1px solid var(--border);border-radius:8px;padding:0 8px;font-size:13px;font-family:inherit;background:var(--input-bg);color:var(--text)}.preset-select{cursor:pointer}.preset-name{border-color:var(--accent);outline:none}.toolbar{display:flex;flex-direction:column;align-items:stretch;gap:2px}.tool-row{display:flex;flex-direction:column;align-items:stretch;gap:2px;margin-top:6px;padding-top:8px;border-top:1px solid var(--border)}.turn-row{display:flex;align-items:center;gap:8px;height:30px;padding:0 0 0 9px;font-size:13px;color:var(--text)}.turn-row>svg{flex-shrink:0;color:var(--tint)}.turn-row>span{flex:1}.chip{display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 9px;border:1px solid transparent;border-radius:8px;background:none;color:var(--text);font:inherit;font-size:13px;cursor:pointer}.chip:hover{background:color-mix(in srgb,var(--text) 7%,transparent)}.chip.active{background:color-mix(in srgb,var(--accent) 14%,transparent);border-color:color-mix(in srgb,var(--accent) 50%,transparent)}.icon-btn{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;border:1px solid transparent;border-radius:8px;background:none;color:var(--muted);cursor:pointer}.icon-btn:hover:not(:disabled){color:var(--text);background:color-mix(in srgb,var(--text) 7%,transparent)}.icon-btn.tint{color:var(--tint)}.icon-btn.tint:hover:not(:disabled){color:var(--tint);background:color-mix(in srgb,var(--tint) 14%,transparent)}.icon-btn.tint.active{color:#fff;background:var(--tint)}.icon-btn:disabled{opacity:.35;cursor:default}.tool-group{display:flex;flex-wrap:wrap;gap:6px}.tool-group.tight{flex-wrap:nowrap;gap:2px}.tool{border:1px solid var(--border);background:var(--input-bg);color:var(--text);border-radius:8px;padding:8px 12px;font-size:14px;cursor:pointer}.tool:hover{border-color:var(--accent)}.tool.active{background:var(--accent);border-color:var(--accent);color:#fff}.tool.ghost{color:var(--muted)}.tool.small{padding:4px 8px;font-size:12px}.tool{display:inline-flex;align-items:center;gap:5px}.tool:disabled{opacity:.45;cursor:default}.tool.tint{color:var(--tint);border-color:color-mix(in srgb,var(--tint) 35%,var(--border));background:color-mix(in srgb,var(--tint) 10%,var(--input-bg))}.tool.tint:hover:not(:disabled){border-color:var(--tint);background:color-mix(in srgb,var(--tint) 18%,var(--input-bg))}.tool.tint.active{color:#fff;background:var(--tint);border-color:var(--tint)}.tint.green{--tint: var(--tint-green)}.tint.blue{--tint: var(--tint-blue)}.tint.purple{--tint: var(--tint-purple)}.tint.orange{--tint: var(--tint-orange)}.tint.red{--tint: var(--tint-red)}.tint.gray{--tint: var(--tint-gray)}.tool-hint{min-width:28px;text-align:center;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.sidebar{position:absolute;top:16px;right:16px;bottom:16px;width:320px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none;pointer-events:none}.sidebar::-webkit-scrollbar{display:none}.panel{flex-shrink:0;padding:16px;pointer-events:auto}.panel h2{margin:0 0 12px;font-size:16px}.panel-head{display:flex;justify-content:space-between;align-items:center}.panel-head h2{margin:0 0 12px}.muted{color:var(--muted);font-size:13px;line-height:1.5}.muscle-list,.param-list{display:flex;flex-direction:column;gap:10px}.muscle-row{display:grid;grid-template-columns:36px 1fr 42px;align-items:center;gap:8px}.muscle-name{font-weight:700;color:#ff383c}.pulse-row{display:grid;grid-template-columns:auto auto auto 1fr;align-items:center;gap:8px;padding-bottom:10px;margin-bottom:4px;border-bottom:1px solid var(--border)}.key-hint{justify-self:end;color:var(--muted);font-size:12px;white-space:nowrap}.key-hint.active{color:#ff383c}.key-hint kbd{font:inherit;border:1px solid var(--border);border-radius:5px;padding:2px 5px;background:var(--input-bg)}.key-hint.active kbd{border-color:currentColor}.num-input{width:68px;border:1px solid var(--border);border-radius:8px;padding:7px 8px;font-size:14px;font-family:inherit;background:var(--input-bg);color:var(--text)}.muscle-row.master{padding-bottom:10px;margin-bottom:4px;border-bottom:1px solid var(--border)}.muscle-row.master .muscle-name{color:var(--text)}.muscle-collapse{display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:8px;width:100%;padding:0;background:none;border:none;color:var(--muted);font:inherit;font-size:13px;text-align:left;cursor:pointer}.muscle-collapse:hover{color:var(--text)}.muscle-collapse .chevron{transition:transform .15s ease;line-height:1}.muscle-collapse 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8px;font-size:14px;font-family:inherit;width:100%;background:var(--input-bg);color:var(--text)}.species-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text)}@media (max-width: 880px){.overlay-left{top:8px;left:8px;max-width:calc(100vw - 16px);gap:8px}.sidebar{top:auto;left:8px;right:8px;bottom:8px;width:auto;max-height:42dvh}.reset-view{left:auto;right:8px;bottom:calc(42dvh + 16px)}}.muscle-group{display:flex;flex-direction:column;gap:2px}.muscle-meta{margin:0;padding-left:44px;font-size:12px;color:var(--muted)}.muscle-beat{display:flex;flex-wrap:wrap;gap:6px 12px;padding-left:44px;font-size:12px;color:var(--muted)}.muscle-beat label{display:inline-flex;align-items:center;gap:5px}.num-input.small{width:58px;padding:3px 6px;font-size:12px}