:root{--bg:#f4f5f7;--panel:#fff;--panel2:#eef0f3;--fg:#1d2129;--muted:#5f6673;--line:#d6d9df;--accent:#2563eb;--accent-fg:#fff;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--chart-bg:#fff;--grid:#e3e6ea;--grid-strong:#b9bec7;--chart-fg:#4a5160;--ref-line:#d97706;color:var(--fg);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0f1115;--panel:#171a21;--panel2:#1f232c;--fg:#e6e8ec;--muted:#9aa1ad;--line:#2c313c;--accent:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--chart-bg:#0b0d11;--grid:#1f242d;--grid-strong:#3a414e;--chart-fg:#a3aab6;--ref-line:#f59e0b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0f1115;--panel:#171a21;--panel2:#1f232c;--fg:#e6e8ec;--muted:#9aa1ad;--line:#2c313c;--accent:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--chart-bg:#0b0d11;--grid:#1f242d;--grid-strong:#3a414e;--chart-fg:#a3aab6;--ref-line:#f59e0b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg)}button,select,input{font:inherit;color:inherit}button{background:var(--panel2);border:1px solid var(--line);cursor:pointer;white-space:nowrap;border-radius:6px;padding:5px 10px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}button.danger{color:var(--err)}button.small{padding:2px 7px;font-size:12px}button.link{text-align:left;white-space:normal;background:0 0;border:none;padding:0}select,input[type=number]{background:var(--panel);border:1px solid var(--line);border-radius:6px;min-width:0;padding:4px 6px}input.bad{border-color:var(--err)}input[type=range]{accent-color:var(--accent)}label{color:var(--muted);font-size:12px}:focus-visible{outline:2px solid var(--accent);outline-offset:1px}a{color:var(--accent)}.app{grid-template-rows:auto auto 1fr auto;min-height:100vh;display:grid}.toolbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:6px 14px;padding:8px 12px;display:flex}.toolbar .brand{font-size:17px;font-weight:700}.toolbar .grow{flex:1;min-width:200px;margin:0}label.inline{align-items:center;gap:6px;display:inline-flex}.tabs{background:var(--panel);border-bottom:1px solid var(--line);gap:4px;padding:6px 12px 0;display:flex;overflow-x:auto}.tabs button{color:var(--muted);background:0 0;border-bottom:none;border-radius:8px 8px 0 0;padding:7px 14px;font-weight:600}.tabs button.on{background:var(--bg);color:var(--fg);border-color:var(--line);box-shadow:0 2px 0 var(--accent) inset}.panelwrap{min-width:0}.body{grid-template-columns:330px minmax(0,1fr);align-content:start;display:grid}.body>.side{grid-area:1/1/span 2}.body>.main{grid-area:1/2}.body>.explain-wrap{grid-area:2/2;min-width:0;padding:0 8px 8px}.side{background:var(--panel);border-right:1px solid var(--line)}.panel{padding:10px 12px}.section{margin-bottom:14px}.section h3,.box h3{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 6px;font-size:12px}.row{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:6px;display:flex}.field{flex-direction:column;gap:2px;min-width:0;margin-bottom:6px;display:flex}.field>label{justify-content:space-between;gap:8px;display:flex}.field .val{color:var(--fg);font-variant-numeric:tabular-nums;font-weight:600}.field input[type=range]{width:100%;margin:2px 0}.field select{width:100%}.check{cursor:pointer;align-items:center;gap:6px;margin-bottom:6px;display:flex}.seg{flex-wrap:wrap;gap:0;display:flex}.seg button{border-radius:0;flex:auto;margin-left:-1px}.seg button:first-child{border-radius:6px 0 0 6px;margin-left:0}.seg button:last-child{border-radius:0 6px 6px 0}.seg button.on{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}.hint{color:var(--muted);margin:0 0 6px;font-size:12px;line-height:1.45}.mono{font-variant-numeric:tabular-nums}.ok-text{color:var(--ok)}.main{flex-direction:column;gap:8px;min-width:0;padding:8px 8px 0;display:flex}.box{background:var(--panel);border:1px solid var(--line);border-radius:8px;min-width:0;padding:10px 12px}.explain p{margin:0 0 8px;line-height:1.5}.explain p:last-child{margin-bottom:0}.sim-canvas{border:1px solid var(--line);background:var(--chart-bg);border-radius:8px;width:100%;height:auto;display:block}.canvas-wrap{min-width:0}.stack{width:100%;position:relative}.stack canvas{width:100%;height:100%;position:absolute;inset:0}.stack canvas.overlay{cursor:grab;background:0 0;border-color:#0000}.foot{border-top:1px solid var(--line);margin:0;padding:8px 12px}@media (width<=800px){.body{grid-template-columns:minmax(0,1fr)}.body>.side{border-right:none;border-bottom:1px solid var(--line);grid-area:2/1}.body>.main{grid-area:1/1}.body>.explain-wrap{grid-area:3/1;padding:8px}.panel,.main,.toolbar,.foot,.tabs{padding-left:14px;padding-right:14px}button{min-height:36px}select{min-height:36px;font-size:16px}.toolbar .grow{display:none}}