:root{--bg:#f4f5f7;--pane:#fff;--text:#1c1f24;--muted:#5d6573;--border:#c9ced6;--accent:#1f5fbf;--accent-text:#fff;--current:#fff1a8;--changed:#ffd7a1;--error:#b3261e;--error-bg:#fde8e6;--toolbar:#e9ecf1;--mono:"BIZ UDGothic", "MS Gothic", "Osaka-Mono", Consolas, "Courier New", monospace;--sans:"BIZ UDPGothic", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#15171b;--pane:#1d2026;--text:#e6e8ec;--muted:#a0a7b3;--border:#3a3f48;--accent:#6ea0f0;--accent-text:#0d1117;--current:#5a4b10;--changed:#6b4518;--error:#ff8a80;--error-bg:#3b1d1b;--toolbar:#23272e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#15171b;--pane:#1d2026;--text:#e6e8ec;--muted:#a0a7b3;--border:#3a3f48;--accent:#6ea0f0;--accent-text:#0d1117;--current:#5a4b10;--changed:#6b4518;--error:#ff8a80;--error-bg:#3b1d1b;--toolbar:#23272e;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--sans);margin:0;font-size:14px}#app{height:100%}.mono,pre{font-family:var(--mono);font-size:14px;line-height:1.45}button{font:inherit;color:var(--text);background:var(--pane);border:1px solid var(--border);cursor:pointer;border-radius:4px;padding:4px 10px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}button.link{color:var(--accent);background:0 0;border:none;padding:0;text-decoration:underline}button[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}kbd{font-family:var(--mono);color:var(--muted);margin-left:2px;font-size:11px}input{font:inherit;color:var(--text);background:var(--pane);border:1px solid var(--border);border-radius:3px;padding:3px 5px}.app{flex-direction:column;height:100%;display:flex}.toolbar{background:var(--toolbar);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:6px;padding:6px 10px;display:flex}.toolbar .title{margin-right:8px;font-weight:700}.toolbar .sep{background:var(--border);align-self:stretch;width:1px;margin:0 4px}.toolbar .status{color:var(--accent);margin-left:auto;font-weight:700}.notice{color:var(--muted);margin:0;padding:3px 10px;font-size:12px}.grid{flex:1;min-height:0;padding:0 6px 6px;display:grid}.pane-editor{grid-area:1/1}.pane-sim{grid-area:1/3}.pane-asm{grid-area:3/1}.pane-dump{grid-area:3/3}.gutter-col{cursor:col-resize;grid-area:1/2/4/3}.gutter-row{cursor:row-resize;grid-area:2/1/3/4}.grid.maximized{display:flex}.grid.maximized .gutter{display:none}.grid.maximized .pane{flex:1}.pane{background:var(--pane);border:1px solid var(--border);border-radius:4px;flex-direction:column;min-width:0;min-height:0;display:flex}.pane[hidden]{display:none}.pane>header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:3px 8px;display:flex}.pane>header h2{margin:0;font-size:13px}.pane>header .icon{padding:0 6px}.pane-body{flex:1;min-height:0;padding:6px 8px;overflow:auto}.placeholder{color:var(--muted)}.editor{height:100%}.editor .cm-editor{height:100%;font-size:14px}.editor .cm-scroller{font-family:var(--mono)}.editor .cm-errorLine{background:var(--error-bg)}.editor .cm-specialChar{color:var(--error)}pre{white-space:pre;margin:0}.listing .row,.sim-listing .row{display:inline}.listing .row.err{color:var(--error);background:var(--error-bg);cursor:pointer}.asm-head{color:var(--muted)}.error-list{border:1px solid var(--error);background:var(--error-bg);color:var(--error);border-radius:4px;margin-bottom:8px;padding:6px 10px}.error-list ul{margin:4px 0 0;padding-left:18px}.sim{flex-direction:column;gap:8px;height:100%;display:flex}.sim-main{flex:1;gap:10px;min-height:0;display:flex}.sim-listing{border:1px solid var(--border);flex:1;padding:4px 6px;overflow:auto}.sim-listing .current{background:var(--current)}.regs{flex:none;overflow:auto}.regs h3{color:var(--muted);margin:8px 0 2px;font-size:12px}.regs th{text-align:left;padding-right:8px;font-weight:400}.regs td{padding:0 6px 0 0}.reg-values td,.reg-values th{font-family:var(--mono);white-space:pre;padding:0 6px 0 0}.reg-values td.num{text-align:right;min-width:6ch}.reg-values td.chr{text-align:center;border:1px solid var(--border);min-width:2ch}.stack td{padding-right:12px}.stack .addr{color:var(--muted)}.ea{white-space:pre;margin:0}.sim-io{flex:none}.output{border:1px solid var(--border);min-height:4.5em;max-height:10em;padding:4px 6px;overflow:auto}.input-form{align-items:center;gap:6px;margin-top:6px;display:flex}.input-form input{width:min(40ch,60vw)}.dump-controls{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:6px;display:flex}.dump-controls form{align-items:center;gap:4px;display:flex}.dump-controls .range{color:var(--muted)}.dump-lines .changed{background:var(--changed)}.field-error{color:var(--error)}.overlay{z-index:10;background:#00000059;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.dialog{background:var(--pane);color:var(--text);border:1px solid var(--border);border-radius:6px;min-width:min(360px,100%);max-width:100%;padding:14px 18px}.dialog h2{margin:0 0 10px;font-size:15px}.dialog .buttons{justify-content:flex-end;align-items:center;gap:8px;margin-top:12px;display:flex}.reg-inputs{grid-template-columns:repeat(2,auto);gap:6px 16px;display:grid}.reg-inputs label,.option{font-family:var(--mono);align-items:center;gap:6px;display:flex}.mem-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.note{color:var(--muted);font-size:12px}@media (width<=900px){.grid,.grid.maximized{flex-direction:column;gap:8px;padding:0 8px 8px;display:flex}.gutter{display:none}.pane{min-height:60vh}.sim-main{flex-direction:column}.sim-listing{flex:none;min-height:12em;max-height:40vh}}