:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel2: #1f2630;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #ffc53d;
  --good: #3fb950;
  --bad: #f85149;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }

#app { display: flex; flex-direction: column; height: 100%; }

header {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--border);
}
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 16px 0 8px; }
h3 { font-size: 13px; margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.tag { font-size: 10px; background: var(--accent); color: #111; padding: 1px 6px; border-radius: 8px; vertical-align: middle; }
#phase { color: var(--muted); flex: 1; min-width: 120px; }
.controls { display: flex; align-items: center; gap: 8px; }
.controls label { color: var(--muted); display: flex; align-items: center; gap: 4px; }

button, select {
  font: inherit; color: var(--text); background: var(--panel2);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px 12px; cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--muted); }
button:disabled { opacity: .4; cursor: not-allowed; }
button.primary { background: var(--accent); color: #111; border-color: var(--accent); font-weight: 600; }
button.wide { width: 100%; margin-top: 20px; padding: 10px; }

main { flex: 1; display: flex; min-height: 0; }
#viewport { flex: 1; position: relative; min-width: 0; }
#canvas { position: absolute; inset: 0; }
#canvas canvas { display: block; cursor: grab; touch-action: none; }

#banner {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  background: rgba(22, 27, 34, .92); border: 1px solid var(--accent); border-radius: 8px;
  padding: 10px 16px; max-width: 80%; text-align: center;
}

#legend {
  position: absolute; left: 12px; bottom: 12px; font-size: 12px;
  background: rgba(22, 27, 34, .85); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
}
.legend-row { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.swatch { width: 12px; height: 12px; border-radius: 2px; display: inline-block; }
.swatch { border-radius: 50%; }
.swatch.vessel { background: #e5383b; }
.swatch.normal { background: #9fb4c8; width: 6px; height: 6px; margin: 3px; }
.ramp { height: 10px; width: 170px; border-radius: 3px; background: linear-gradient(90deg, #3547e8, #d63ac0, #ffc53d); }
.ramp-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
.hint { color: var(--muted); margin-top: 6px; font-size: 11px; }

#toasts { position: absolute; right: 12px; top: 12px; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; pointer-events: none; }
.toast {
  background: rgba(22, 27, 34, .95); border: 1px solid var(--border); border-left: 3px solid var(--muted);
  border-radius: 6px; padding: 6px 10px; font-size: 13px; animation: toast 4s forwards;
}
.toast.up { border-left-color: var(--good); }
.toast.down { border-left-color: var(--bad); }
@keyframes toast { 0% { opacity: 0; transform: translateX(20px); } 8% { opacity: 1; transform: none; } 85% { opacity: 1; } 100% { opacity: 0; } }

#side {
  width: 380px; flex-shrink: 0; overflow-y: auto; padding: 12px 14px 20px;
  background: var(--panel); border-left: 1px solid var(--border);
}

#hud { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.stat { background: var(--panel2); border-radius: 6px; padding: 6px 10px; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.stat span { color: var(--muted); font-size: 12px; }
.stat.big { flex-direction: column; align-items: flex-start; gap: 0; }
.stat.big b { font-size: 22px; }
.stat.wide { grid-column: 1 / -1; }
#sPoints { color: var(--accent); }

.hallmark { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; overflow: hidden; }
.hallmark.open { border-color: var(--muted); }
.hm-head { display: grid; grid-template-columns: 30px 1fr auto; gap: 8px; align-items: center; padding: 8px 10px; cursor: pointer; background: var(--panel2); width: 100%; border: 0; border-radius: 0; text-align: left; }
.hm-icon { font-size: 20px; text-align: center; }
.hm-name { font-weight: 600; font-size: 13px; }
.hm-mult { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.bar { height: 6px; background: #0d1117; border-radius: 3px; margin-top: 5px; overflow: hidden; }
.bar > i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .25s; }
.hallmark.special .bar > i { background: #a371f7; }
.hm-body { display: none; padding: 4px 10px 8px; }
.hallmark.open .hm-body { display: block; }
.hm-blurb { color: var(--muted); font-size: 12px; margin: 4px 0 6px; }

.gene { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; padding: 7px 0; border-top: 1px solid var(--border); align-items: center; }
.gene-name { font-weight: 600; }
.gene-desc { grid-column: 1 / -1; color: var(--muted); font-size: 12px; }
.pips { display: inline-flex; gap: 3px; margin-left: 8px; vertical-align: middle; }
.pips i { width: 14px; height: 6px; border-radius: 2px; background: #0d1117; border: 1px solid var(--border); }
.pips i.on { background: var(--accent); border-color: var(--accent); }
.gene button { padding: 3px 10px; font-size: 12px; min-width: 92px; }
.gene.flash-up { animation: flashUp 1.2s; }
.gene.flash-down { animation: flashDown 1.2s; }
@keyframes flashUp { 0% { background: rgba(63, 185, 80, .35); } 100% { background: transparent; } }
@keyframes flashDown { 0% { background: rgba(248, 81, 73, .35); } 100% { background: transparent; } }

#log { font-size: 12px; color: var(--muted); max-height: 160px; overflow-y: auto; }
#log div { padding: 2px 0; }
#log .up { color: var(--good); }
#log .down { color: var(--bad); }

.overlay {
  position: fixed; inset: 0; background: rgba(5, 8, 12, .82); z-index: 10;
  display: flex; align-items: center; justify-content: center; padding: 20px; overflow-y: auto;
}
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px 28px; width: 640px; max-width: 100%; max-height: 100%; overflow-y: auto;
}
.card h1 { font-size: 24px; }
.lead { color: var(--muted); margin: 8px 0 0; }
.fine { color: var(--muted); font-size: 11px; text-align: center; margin: 12px 0 0; }
.choices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.choice { text-align: left; padding: 10px; display: flex; flex-direction: column; gap: 4px; }
.choice .c-icon { font-size: 22px; }
.choice .c-name { font-weight: 600; }
.choice .c-note { color: var(--muted); font-size: 12px; }
.choice.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }

.end-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 16px; }
.end-hm { display: grid; grid-template-columns: 190px 1fr; gap: 8px; padding: 5px 0; border-top: 1px solid var(--border); font-size: 12px; }
.end-hm .g { display: inline-block; margin-right: 10px; white-space: nowrap; color: var(--muted); }
.end-hm .g b { color: var(--text); }

@media (max-width: 820px) {
  main { flex-direction: column; }
  #viewport { min-height: 45vh; }
  #side { width: 100%; border-left: 0; border-top: 1px solid var(--border); }
  .choices, .end-stats { grid-template-columns: 1fr; }
}