:root {
  --bg:#08090b;
  --panel:#0d0f13;
  --panel-2:#11141a;
  --ink:#f1efe9;
  --dim:#b7bac3;
  --muted:#7f838e;
  --line:rgba(241,239,233,.14);
  --line-strong:rgba(241,239,233,.3);
  --blue:#88b4ff;
  --violet:#b59cff;
  --amber:#efc36f;
  --sans:Inter,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}

* { box-sizing:border-box; }
html,body { width:100%; height:100%; margin:0; overflow:hidden; background:var(--bg); }
body { color:var(--ink); font-family:var(--sans); }
button,input { color:inherit; font:inherit; }
button { border:0; }
a { color:inherit; text-decoration:none; }

.sim-header {
  height:58px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  padding:0 18px;
  border-bottom:1px solid var(--line);
  background:rgba(8,9,11,.96);
  font-size:9px;
  letter-spacing:.13em;
}
.sim-header>a { justify-self:start; }
.header-title { justify-self:center; color:var(--muted); }
.language-switch { justify-self:end; display:flex; gap:7px; align-items:center; }
.language-switch button { padding:5px 2px; color:var(--muted); background:none; cursor:pointer; font-size:10px; }
.language-switch button[aria-pressed="true"] { color:var(--blue); }

.sim-shell {
  height:calc(100dvh - 58px);
  display:grid;
  grid-template-columns:minmax(0,1fr) clamp(330px,28vw,410px);
  overflow:hidden;
}

.monitor {
  min-width:0;
  min-height:0;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 33%,rgba(136,180,255,.09),transparent 37%),
    linear-gradient(180deg,#090b0f,#07080a);
}
#sim-canvas { width:100%; height:100%; position:absolute; inset:0; display:block; touch-action:none; }
.monitor::after { content:""; position:absolute; inset:0; pointer-events:none; background:linear-gradient(90deg,rgba(8,9,11,.38),transparent 23%,transparent 77%,rgba(8,9,11,.28)),linear-gradient(180deg,rgba(8,9,11,.2),transparent 28%,transparent 80%,rgba(8,9,11,.52)); }

.monitor-topline {
  position:absolute;
  z-index:2;
  top:18px;
  right:22px;
  left:22px;
  display:flex;
  justify-content:space-between;
  gap:18px;
  color:var(--muted);
  font-size:8px;
  letter-spacing:.12em;
}
.monitor-topline b { color:var(--ink); font-weight:500; }
.live-indicator { display:flex; gap:8px; align-items:center; }
.live-indicator i { width:5px; height:5px; border-radius:50%; background:var(--blue); box-shadow:0 0 10px var(--blue); }
.monitor[data-paused="true"] .live-indicator i { background:var(--amber); box-shadow:none; }
.monitor[data-phase="open"] .live-indicator i { background:var(--violet); box-shadow:0 0 10px var(--violet); }

.monitor-copy {
  width:min(760px,72%);
  position:absolute;
  z-index:2;
  top:10%;
  left:4.5%;
  pointer-events:none;
}
.monitor-copy>p:first-child { margin:0 0 11px; color:var(--blue); font-size:8px; letter-spacing:.16em; }
.monitor-copy h1 { max-width:730px; margin:0; font:400 clamp(2rem,3.8vw,4.25rem)/.94 var(--serif); letter-spacing:-.045em; text-wrap:balance; }
.monitor-copy>p:last-child { max-width:570px; margin:20px 0 0; color:var(--dim); font-size:12px; line-height:1.85; }

.monitor-metrics {
  position:absolute;
  z-index:2;
  right:22px;
  bottom:52px;
  left:22px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line-strong);
  border-bottom:1px solid var(--line);
  background:rgba(8,9,11,.54);
  backdrop-filter:blur(6px);
}
.monitor-metrics span { min-width:0; display:flex; flex-direction:column; gap:7px; padding:12px 13px; border-right:1px solid var(--line); }
.monitor-metrics span:last-child { border-right:0; }
.monitor-metrics small { overflow:hidden; color:var(--muted); font-size:7px; letter-spacing:.11em; text-overflow:ellipsis; white-space:nowrap; }
.monitor-metrics b { font-size:13px; font-weight:400; font-variant-numeric:tabular-nums; }

.monitor-legend {
  height:33px;
  position:absolute;
  z-index:2;
  right:22px;
  bottom:10px;
  left:22px;
  display:flex;
  gap:18px;
  align-items:center;
  color:var(--muted);
  font-size:7px;
  letter-spacing:.08em;
}
.monitor-legend span { display:flex; gap:6px; align-items:center; white-space:nowrap; }
.monitor-legend span:last-child { margin-left:auto; }
.monitor-legend b { font-weight:400; }
.monitor-legend i { width:7px; height:7px; display:block; border:1px solid currentColor; border-radius:50%; }
.legend-cell { color:var(--blue); background:rgba(136,180,255,.5); }
.legend-group { color:var(--violet); }
.legend-agent { color:var(--amber); box-shadow:0 0 7px rgba(239,195,111,.5); }

.console {
  min-width:0;
  min-height:0;
  display:grid;
  grid-template-rows:auto minmax(0,1fr);
  overflow:hidden;
  border-left:1px solid var(--line-strong);
  background:var(--panel);
}
.console-intro { padding:22px 22px 18px; border-bottom:1px solid var(--line); background:linear-gradient(145deg,rgba(136,180,255,.035),transparent 60%); }
.console-kicker { margin:0 0 8px; color:var(--blue); font-size:8px; letter-spacing:.14em; }
.console-intro h2 { margin:0; font:400 1.8rem/1.1 var(--serif); }
.prototype-note { display:grid; grid-template-columns:110px 1fr; gap:12px; margin:17px 0 0; padding-top:14px; border-top:1px solid rgba(239,195,111,.32); }
.prototype-note strong { color:var(--amber); font-size:8px; font-weight:500; letter-spacing:.08em; }
.prototype-note span { color:var(--muted); font-size:10px; line-height:1.65; }
.console-scroll { min-height:0; overflow-y:auto; overscroll-behavior:contain; scrollbar-width:thin; scrollbar-color:var(--line-strong) transparent; }
.control-section { padding:19px 22px 22px; border-bottom:1px solid var(--line); }
.section-heading { display:flex; gap:10px; margin-bottom:14px; color:var(--muted); font-size:8px; letter-spacing:.12em; }
.section-heading span { color:var(--blue); }
.section-heading b { font-weight:500; }

.phase-control { display:grid; grid-template-columns:repeat(3,1fr); border:1px solid var(--line-strong); }
.phase-control button { min-width:0; min-height:74px; display:grid; grid-template-columns:18px 1fr; grid-template-rows:1fr auto; gap:5px; padding:10px; border-right:1px solid var(--line); background:transparent; cursor:pointer; text-align:left; }
.phase-control button:last-child { border-right:0; }
.phase-control button span { color:var(--blue); font-size:7px; }
.phase-control button b { align-self:center; font-size:10px; font-weight:500; line-height:1.4; }
.phase-control button small { grid-column:2; color:var(--muted); font-size:6px; letter-spacing:.08em; }
.phase-control button:hover,.phase-control button:focus-visible { background:rgba(136,180,255,.05); }
.phase-control button[aria-pressed="true"] { color:var(--bg); background:var(--blue); }
.phase-control button[aria-pressed="true"] span,.phase-control button[aria-pressed="true"] small { color:rgba(8,9,11,.68); }

.transport-grid { display:grid; grid-template-columns:repeat(2,1fr); border:1px solid var(--line-strong); }
.transport-grid button { min-height:54px; display:flex; gap:9px; align-items:center; padding:9px 11px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:transparent; cursor:pointer; text-align:left; }
.transport-grid button:nth-child(2n) { border-right:0; }
.transport-grid button:nth-last-child(-n+2) { border-bottom:0; }
.transport-grid button:hover,.transport-grid button:focus-visible { background:rgba(136,180,255,.05); }
.transport-grid button[aria-pressed="true"] { color:var(--amber); }
.transport-grid button span { width:18px; color:var(--blue); font-size:13px; }
.transport-grid button b { font-size:9px; font-weight:500; line-height:1.4; }

.range-row { display:block; padding:11px 0; border-bottom:1px solid var(--line); }
.range-row:last-child { border-bottom:0; }
.range-row>span { display:flex; justify-content:space-between; gap:14px; margin-bottom:9px; }
.range-row b { color:var(--dim); font-size:10px; font-weight:400; }
.range-row output { color:var(--blue); font-size:9px; font-variant-numeric:tabular-nums; }
input[type="range"] { width:100%; height:14px; margin:0; appearance:none; background:transparent; cursor:pointer; }
input[type="range"]::-webkit-slider-runnable-track { height:1px; background:var(--line-strong); }
input[type="range"]::-webkit-slider-thumb { width:9px; height:9px; margin-top:-4px; appearance:none; border:1px solid var(--blue); border-radius:50%; background:var(--panel); box-shadow:0 0 8px rgba(136,180,255,.35); }
input[type="range"]::-moz-range-track { height:1px; background:var(--line-strong); }
input[type="range"]::-moz-range-thumb { width:9px; height:9px; border:1px solid var(--blue); border-radius:50%; background:var(--panel); }

.toggle-list { display:grid; grid-template-columns:1fr; }
.toggle-list label { min-height:38px; display:flex; gap:10px; align-items:center; border-bottom:1px solid var(--line); color:var(--dim); font-size:10px; cursor:pointer; }
.toggle-list label:last-child { border-bottom:0; }
.toggle-list input { width:11px; height:11px; margin:0; accent-color:var(--blue); }

.state-grid { display:grid; grid-template-columns:repeat(2,1fr); margin:0; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.state-grid div { min-width:0; padding:11px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.state-grid dt { overflow:hidden; margin-bottom:7px; color:var(--muted); font-size:7px; letter-spacing:.09em; text-overflow:ellipsis; white-space:nowrap; }
.state-grid dd { margin:0; overflow:hidden; color:var(--ink); font-size:10px; font-variant-numeric:tabular-nums; text-overflow:ellipsis; white-space:nowrap; }

.agent-status { display:flex; justify-content:space-between; gap:12px; padding:10px 11px; border:1px solid rgba(181,156,255,.35); color:var(--violet); font-size:8px; letter-spacing:.1em; }
.agent-status b { color:var(--ink); font-weight:500; }
.agent-log { margin:0; padding:0; list-style:none; }
.agent-log li { display:grid; grid-template-columns:44px 1fr; gap:10px; padding:11px 0; border-bottom:1px solid var(--line); }
.agent-log time { color:var(--blue); font-size:7px; font-variant-numeric:tabular-nums; }
.agent-log span { color:var(--dim); font-size:9px; line-height:1.5; }

@media (max-width:980px) {
  .sim-shell { grid-template-columns:minmax(0,1fr) 340px; }
  .monitor-copy { width:72%; }
  .monitor-copy>p:last-child { display:none; }
  .monitor-metrics { grid-template-columns:repeat(2,1fr); }
  .monitor-metrics span:nth-child(2) { border-right:0; }
  .monitor-metrics span:nth-child(-n+2) { border-bottom:1px solid var(--line); }
  .monitor-legend span:last-child { display:none; }
}

@media (max-width:720px) {
  .sim-header { height:50px; grid-template-columns:1fr auto; padding:0 12px; }
  .header-title { display:none; }
  .sim-shell { height:calc(100dvh - 50px); grid-template-columns:1fr; grid-template-rows:minmax(270px,55%) minmax(0,45%); }
  .console { border-top:1px solid var(--line-strong); border-left:0; }
  .console-intro { display:grid; grid-template-columns:1fr auto; align-items:end; padding:12px 14px 10px; }
  .console-kicker { grid-column:1; margin-bottom:4px; }
  .console-intro h2 { grid-column:1; font-size:1.25rem; }
  .prototype-note { grid-column:2; grid-row:1/3; width:150px; display:block; margin:0; padding:0 0 0 12px; border-top:0; border-left:1px solid rgba(239,195,111,.32); }
  .prototype-note strong { display:block; margin-bottom:3px; }
  .prototype-note span { display:block; max-height:2.8em; overflow:hidden; font-size:8px; line-height:1.4; }
  .control-section { padding:15px 14px 18px; }
  .monitor-topline { top:11px; right:12px; left:12px; }
  .monitor-topline span:nth-child(2) { display:none; }
  .monitor-copy { width:82%; top:15%; left:7%; }
  .monitor-copy>p:first-child { font-size:7px; }
  .monitor-copy h1 { font-size:clamp(1.75rem,9vw,2.8rem); }
  .monitor-metrics { right:12px; bottom:35px; left:12px; }
  .monitor-metrics span { gap:3px; padding:7px 8px; }
  .monitor-metrics small { font-size:6px; }
  .monitor-metrics b { font-size:10px; }
  .monitor-legend { right:12px; bottom:4px; left:12px; gap:10px; }
  .monitor-legend span { font-size:6px; }
  .monitor-legend span:nth-child(3) { display:none; }
}

@media (max-width:430px) {
  .prototype-note { width:128px; }
  .phase-control button { min-height:67px; padding:8px 6px; }
  .phase-control button b { font-size:9px; }
}

@media (prefers-reduced-motion:reduce) {
  .live-indicator i { box-shadow:none; }
}