:root {
  --bg: #0e1014;
  --panel: #171a21;
  --ink: #d7dce5;
  --dim: #828b9c;
  --accent: #6ad0ff;
  --warn: #ffb454;
  --bad: #ff6a6a;
  --good: #7be08a;
  --grid: #2a2f3a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: #11131a;
  border-bottom: 1px solid var(--grid);
}
h1 { font-size: 18px; margin: 0; color: var(--accent); }
h2 { font-size: 14px; margin: 0 0 8px; color: var(--accent); }
h3 { font-size: 12px; margin: 12px 0 6px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.06em; }
.badge { padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.badge.off { background: #3a1f23; color: var(--bad); }
.badge.on { background: #1f3a26; color: var(--good); }
.timer { margin-left: auto; color: var(--warn); }
main {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1fr;
  grid-template-rows: auto auto;
  gap: 12px;
  padding: 12px;
}
.panel { background: var(--panel); border: 1px solid var(--grid); border-radius: 8px; padding: 12px; }
#arena-panel { grid-row: span 2; }
#log-panel { grid-row: span 2; }

.arena {
  display: grid;
  gap: 2px;
  background: var(--grid);
  border: 1px solid var(--grid);
  width: max-content;
}
.cell {
  width: 34px; height: 34px;
  background: #10131a;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; cursor: pointer; position: relative;
}
.cell.self { outline: 2px solid var(--accent); }
.cell.target { outline: 2px solid var(--warn); }
.cell.dead { opacity: 0.35; }
.cell .hp { position: absolute; bottom: 0; right: 2px; font-size: 9px; color: var(--dim); }

.actions { display: flex; gap: 24px; margin-top: 12px; align-items: center; }
.dpad { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.dpad-row { display: flex; gap: 2px; }
button {
  background: #222733; color: var(--ink); border: 1px solid var(--grid);
  border-radius: 5px; padding: 6px 10px; cursor: pointer; font: inherit;
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.4; cursor: not-allowed; }
.action-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.hint { color: var(--dim); font-size: 12px; }

.library { display: flex; gap: 6px; margin-bottom: 8px; }
.slot { border: 1px dashed var(--grid); border-radius: 5px; padding: 4px 8px; cursor: pointer; color: var(--dim); }
.slot.active { border-color: var(--accent); color: var(--accent); }
.tokens { display: flex; flex-wrap: wrap; gap: 4px; min-height: 30px; padding: 6px; background: #10131a; border-radius: 5px; }
.token { background: #232a36; border: 1px solid var(--grid); border-radius: 4px; padding: 2px 6px; font-size: 12px; cursor: pointer; }
.token:hover { border-color: var(--bad); }
.editor-controls { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 8px; }
.editor-controls label { display: flex; flex-direction: column; font-size: 10px; color: var(--dim); }
.editor-controls input { width: 64px; background: #10131a; border: 1px solid var(--grid); color: var(--ink); border-radius: 4px; padding: 3px; }
.editor-controls select { background: #10131a; border: 1px solid var(--grid); color: var(--ink); border-radius: 4px; padding: 4px; }

.diagnostics { margin-top: 12px; background: #10131a; border-radius: 5px; padding: 8px; }
.diag-row { margin: 2px 0; }
.diag-key { color: var(--dim); }
.warn { color: var(--warn); }

.domains { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.domain { background: #10131a; border: 1px solid var(--grid); border-radius: 5px; padding: 6px; }
.domain .name { color: var(--accent); font-size: 12px; }
.lane { display: inline-block; min-width: 40px; text-align: right; padding: 1px 4px; margin: 1px; border-radius: 3px; font-size: 11px; }
.lane.known { background: #15251a; color: var(--good); }
.lane.newly_observed { background: #2a2410; color: var(--warn); }
.lane.unknown { background: #25151a; color: var(--dim); }
.lane.suspected { background: #1a1a2a; color: #9aa0ff; }
.lane.contradicted { background: #2a1525; color: #ff9ae0; }
.redactions { color: var(--bad); font-size: 12px; }

.log { list-style: none; margin: 0; padding: 0; max-height: 320px; overflow-y: auto; }
.log li { padding: 2px 0; border-bottom: 1px solid #1c2029; font-size: 12px; }
.replay-controls { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.hashes { margin-top: 8px; font-size: 11px; color: var(--dim); word-break: break-all; }
.hash-ok { color: var(--good); }
.hash-bad { color: var(--bad); }
ul#inferred { margin: 0; padding-left: 16px; color: var(--dim); font-size: 12px; }