:root{--background: #eae1d0;--foreground: #221b12;--card: #f6f1e7;--surface-2: #efe7d6;--primary: #2f6b3a;--primary-hi: #357a43;--primary-foreground: #f6f1e7;--accent-deep: #234e2c;--accent-soft: #e2eadd;--destructive: #a8531f;--sienna-soft: #f2e0d2;--ocre: #b07a2e;--text-soft: #5c4a36;--text-faint: #8b7654;--line: #d6c9b2;--line-soft: #e3d8c3;--soil-h1: #3a2817;--soil-h2: #6b4423;--soil-h3: #b07a2e;--soil-h4: #8a5a3c;--shadow: rgba(58, 40, 23, .16);--shadow-soft: rgba(58, 40, 23, .08);--shadow-card: 0 4px 18px var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, .6);--shadow-btn: 0 2px 6px rgba(35, 78, 44, .35), inset 0 1px 0 rgba(255, 255, 255, .18);--shadow-elev: 0 3px 10px var(--shadow-soft);--radius: .75rem;--radius-md: calc(var(--radius) - 2px);color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,Helvetica Neue,Roboto,Arial,sans-serif;background-color:var(--background);color:var(--foreground);font-feature-settings:"rlig" 1,"calt" 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4px;color:var(--text-soft)}.grid{display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:860px){.grid{grid-template-columns:1.1fr 1fr}.grid .full{grid-column:1 / -1}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:16px}.card h2{font-size:11px;text-transform:uppercase;letter-spacing:1.4px;color:var(--text-faint);margin:0 0 12px}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid transparent;white-space:nowrap}.badge .dot{width:8px;height:8px;border-radius:50%;background:currentColor}.badge.real,.badge.on{color:var(--primary);background:#2f6b3a1f}.badge.mock{color:var(--soil-h4);background:#b07a2e29}.badge.off{color:var(--destructive);background:#a8531f1f}.badge.neutral{color:var(--text-faint);background:var(--surface-2)}.badge.busy{color:var(--accent-deep);background:#2f6b3a1f}.states{display:flex;flex-wrap:wrap;gap:10px}.state-item{flex:1 1 140px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}.state-item .label{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--text-faint)}.state-item .value{font-size:16px;font-weight:700;margin-top:4px;color:var(--accent-deep);font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}.field{display:flex;flex-direction:column;gap:4px;flex:1 1 140px}.field label{font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.6px}input,select{background:#fffdf8;border:1px solid var(--line);color:var(--foreground);border-radius:var(--radius-md);padding:8px 10px;font-size:14px;font-family:inherit;box-shadow:var(--shadow-soft) 0 1px 2px}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2f6b3a2e}.btns{display:flex;flex-wrap:wrap;gap:8px}button{font-family:inherit;font-size:13px;font-weight:600;border-radius:var(--radius-md);padding:8px 14px;height:36px;border:1px solid var(--line);background:var(--surface-2);color:var(--text-soft);box-shadow:var(--shadow-elev);cursor:pointer;transition:transform .05s ease,filter .15s ease,background .15s ease}button:hover:not(:disabled){background:var(--line-soft)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.45;cursor:not-allowed}button.primary,button.leaf{background:linear-gradient(180deg,var(--primary-hi),var(--primary));border-color:transparent;color:var(--primary-foreground);box-shadow:var(--shadow-btn)}button.primary:hover:not(:disabled),button.leaf:hover:not(:disabled){filter:brightness(1.06);background:linear-gradient(180deg,var(--primary-hi),var(--primary))}button.ghost{background:transparent;border-color:transparent;box-shadow:none}button.ghost:hover:not(:disabled){background:var(--surface-2)}button.danger{color:var(--destructive);border-color:var(--line)}button.danger:hover:not(:disabled){background:var(--sienna-soft)}.hint{font-size:12px;color:var(--text-faint);margin:8px 0 0;line-height:1.5}.warn{font-size:12.5px;line-height:1.5;margin:12px 0 0;padding:10px 12px;border-radius:var(--radius-md);color:var(--destructive);background:var(--sienna-soft);border:1px solid rgba(168,83,31,.3)}.warn .mono{color:var(--soil-h2)}.kv{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px}.kv:last-child{border-bottom:none}.kv .k{color:var(--text-faint)}.template-list{display:flex;flex-direction:column;gap:6px}.template-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-md);font-size:13px}.log{max-height:340px;overflow-y:auto;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fffdf8}.log-empty{padding:18px;color:var(--text-faint);text-align:center}.log-entry{display:grid;grid-template-columns:96px 92px 1fr;gap:8px;padding:6px 10px;border-bottom:1px solid var(--line-soft);align-items:baseline}.log-entry:hover{background:var(--surface-2)}.log-entry .t{color:var(--text-faint);white-space:nowrap}.log-entry .arrow{font-weight:700;white-space:nowrap}.log-entry.w2a .arrow{color:var(--destructive)}.log-entry.a2w .arrow{color:var(--accent-deep)}.log-entry .name{color:var(--foreground)}.log-entry .args{color:var(--text-faint)}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.guide{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--radius);box-shadow:var(--shadow-card);overflow:hidden}.guide>summary{list-style:none;cursor:pointer;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;font-weight:700;color:var(--foreground)}.guide>summary::-webkit-details-marker{display:none}.guide>summary:hover{background:var(--surface-2)}.guide-toggle{font-size:11px;font-weight:500;color:var(--text-faint)}.guide-body{padding:4px 16px 18px;border-top:1px solid var(--line-soft)}.guide-body h3{font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--destructive);margin:18px 0 10px}.guide-body p{line-height:1.55;font-size:13.5px;color:var(--text-soft);margin:4px 0}.op-cards{display:grid;grid-template-columns:1fr;gap:10px}@media(min-width:720px){.op-cards{grid-template-columns:repeat(3,1fr)}}.op-card{display:flex;gap:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:12px}.op-card strong{color:var(--foreground)}.op-card p{font-size:12.5px;color:var(--text-faint);margin-top:4px}.op-num{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:linear-gradient(180deg,var(--primary-hi),var(--primary));color:#fff;font-weight:700;font-size:13px;display:grid;place-items:center;box-shadow:var(--shadow-btn)}.rule{margin-top:16px;padding:14px;border-radius:var(--radius-md);background:var(--sienna-soft);border:1px solid rgba(168,83,31,.3)}.rule p{color:var(--text-soft)}.rule-badge{display:inline-block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--destructive);margin-bottom:6px}.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}.flow-step{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600;color:var(--text-soft)}.flow-step.highlight{border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 1px var(--primary)}.flow-arrow{color:var(--text-faint);font-weight:700}.steps,.legend{margin:0;padding-left:22px}.steps li,.legend li{line-height:1.6;font-size:13.5px;color:var(--text-soft);margin-bottom:8px}.steps b,.legend b{color:var(--foreground)}.warn-inline,.c-out{color:var(--destructive);font-weight:700}.c-in{color:var(--accent-deep);font-weight:700}.guide-foot{margin-top:16px!important;padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px!important;color:var(--text-faint)!important}.machine{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:720px){.machine{grid-template-columns:repeat(3,1fr)}}.region{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:12px}.region-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.region-name{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-soft)}.state-nodes{display:flex;flex-direction:column;gap:8px}.state-node{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:var(--card);opacity:.7;transition:border-color .15s,opacity .15s,box-shadow .15s}.state-node.current{opacity:1;border-color:var(--primary);box-shadow:0 0 0 1px var(--primary);background:var(--accent-soft)}.state-node-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.state-key{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:13px;font-weight:700;color:var(--foreground);display:inline-flex;align-items:center;gap:6px}.init-dot{width:7px;height:7px;border-radius:50%;background:var(--primary)}.here{font-size:10px;font-weight:700;color:var(--primary);letter-spacing:.5px}.transitions{display:flex;flex-direction:column;gap:4px}.transition{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:11px;display:inline-flex;align-items:center;gap:6px;color:var(--text-faint);padding:2px 0}.transition .ev{color:var(--text-soft);font-weight:700}.transition.available .ev{color:var(--destructive)}.transition.available .to{color:var(--foreground)}.transition.internal .to{font-style:italic}.transition.terminal{font-style:italic;opacity:.6}.transition .guard{font-size:10px;cursor:help}.region-transitions{margin-top:10px;padding-top:8px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}.region-transitions-label{font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-faint)}.trace-entry{display:grid;grid-template-columns:96px 140px 1fr;gap:8px;padding:6px 10px;border-bottom:1px solid var(--line-soft);align-items:baseline;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12px}.trace-entry .t{color:var(--text-faint);white-space:nowrap}.trace-event{color:var(--destructive);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.trace-state{display:flex;flex-wrap:wrap;gap:4px 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toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.toast.success{border-left-color:var(--primary)}.toast.error{border-left-color:var(--destructive)}.toast.warn{border-left-color:var(--ocre)}.toast.info{border-left-color:var(--soil-h4)}.toast-icon{font-size:16px;line-height:1.3}.toast-body{flex:1;min-width:0}.toast-title{font-size:13.5px;font-weight:700;color:var(--foreground)}.toast-detail{font-size:12px;color:var(--text-soft);margin-top:2px;word-break:break-word}.toast-detail .mono{color:var(--accent-deep)}.toast-close{height:auto;padding:0 4px;background:transparent;border:none;box-shadow:none;color:var(--text-faint);font-size:16px;line-height:1;cursor:pointer}.toast-close:hover:not(:disabled){background:transparent;color:var(--foreground)}