:root {
  --bg: #0c0d0f;
  --surface: #16181c;
  --text: #f1eee8;
  --muted: #9a958c;
  --line: #2a2d32;
  --gold: #c9a227;
  --gamma: #3d8ea8;
  --good: #6f9f7a;
  --bad: #c45c4a;
  --metal: #5a5f68;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}
button, a { font: inherit; color: inherit; }
button {
  background: #121417;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 7px 11px;
  cursor: pointer;
}
button:hover { color: var(--text); border-color: #4a4e55; }
button.on {
  color: var(--text);
  border-color: var(--gold);
  background: #1c1910;
}
button:focus-visible { outline: 1px solid var(--gold); outline-offset: 2px; }

#stage {
  position: fixed;
  inset: 0;
  z-index: 0;
}
#stage canvas { display: block; width: 100%; height: 100%; }
#labels {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hud { position: fixed; z-index: 2; pointer-events: none; }
.hud.hit, .hit { pointer-events: auto; }

.top {
  top: 0; left: 0; right: 0;
  display: grid;
  grid-template-columns: minmax(220px, 1.1fr) minmax(280px, 1.4fr) auto;
  gap: 16px;
  align-items: start;
  padding: 14px 16px 10px;
  background: linear-gradient(to bottom, rgba(12,13,15,.92) 40%, rgba(12,13,15,0));
}
.kicker {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
h1 {
  margin: 2px 0 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Hiragino Mincho", serif;
}
.legal {
  margin: 4px 0 0;
  color: #e6d7a0;
  font-size: 12px;
  border-left: 3px solid var(--gold);
  padding: 6px 10px;
  background: rgba(28, 25, 16, .85);
  max-width: 52em;
}
.asof { margin: 4px 0 0; color: var(--muted); font-size: 11px; text-align: right; }

.rail {
  top: 92px;
  width: 236px;
  max-height: calc(100vh - 168px);
  overflow: auto;
  background: rgba(22, 24, 28, .88);
  border: 1px solid var(--line);
  padding: 10px 10px 12px;
}
.rail.left { left: 12px; }
.rail.right { right: 12px; width: 292px; }
.rail-k {
  margin: 10px 0 6px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.rail-k:first-child { margin-top: 0; }
.row {
  display: block;
  width: 100%;
  text-align: left;
  margin: 0 0 4px;
  padding: 8px 8px 7px;
}
.row .name { display: block; color: var(--text); font-size: 13px; }
.row .meta { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; font-family: "SF Mono", Menlo, Consolas, monospace; }
.row.on { border-color: var(--gold); }

.inspect h2 { margin: 0 0 2px; font-size: 16px; font-weight: 600; }
.inspect .maker { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.chip {
  display: inline-block;
  font-size: 11px;
  padding: 2px 7px;
  border: 1px solid var(--line);
  color: var(--muted);
  margin-bottom: 10px;
}
.chip.gold { color: #e6d7a0; border-color: var(--gold); }
.chip.gamma { color: #b7d7e2; border-color: var(--gamma); }
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0 0 12px;
}
.m .n {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 20px;
  letter-spacing: -0.03em;
}
.m .l { color: var(--muted); font-size: 11px; }
.kv {
  display: grid;
  grid-template-columns: 5.6em 1fr;
  gap: 4px 8px;
  font-size: 12px;
}
.kv span:nth-child(odd) { color: var(--muted); }
.verdict {
  margin: 12px 0 0;
  padding: 8px 10px;
  background: #101216;
  border-left: 3px solid var(--gamma);
  font-size: 12px;
}
.verdict.warn { border-left-color: var(--gold); }
.vs { margin-top: 10px; font-size: 12px; }
.vs b.good { color: var(--good); font-weight: 600; }
.vs b.bad { color: var(--bad); font-weight: 600; }
.inspect a { color: #b7d7e2; }

.instructor {
  left: 260px;
  right: 316px;
  bottom: 64px;
  margin: 0;
  font-size: 12px;
  color: var(--text);
  text-align: center;
  pointer-events: none;
}
.instructor span {
  display: inline-block;
  background: rgba(12,13,15,.78);
  border: 1px solid var(--line);
  padding: 6px 10px;
}

.dock {
  left: 12px;
  right: 12px;
  bottom: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.seg { display: flex; gap: 4px; flex-wrap: wrap; }

.hint {
  left: 16px;
  bottom: 52px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  pointer-events: none;
}

.overlay {
  position: fixed;
  z-index: 6;
  inset: 10vh 12vw 12vh;
  background: rgba(16, 18, 22, .96);
  border: 1px solid var(--line);
  padding: 28px 32px 32px;
  overflow: auto;
}
.overlay[hidden] { display: none; }
.overlay h2 { margin: 0 0 12px; font-size: 18px; }
.overlay h3 { margin: 18px 0 8px; font-size: 14px; }
.overlay p, .overlay li { color: #d8d4cc; font-size: 13px; max-width: 62em; }
.overlay a { color: #b7d7e2; }
.overlay .close {
  position: absolute;
  top: 12px;
  right: 12px;
}
.overlay ol { padding-left: 1.2em; }

#fail {
  position: fixed;
  inset: 0;
  z-index: 7;
  background: var(--bg);
  padding: 32px;
  overflow: auto;
}
#fail[hidden] { display: none; }
#fail table { border-collapse: collapse; margin-top: 16px; }
#fail th, #fail td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }

.lbl {
  font-size: 11px;
  color: var(--text);
  background: rgba(12, 13, 15, .86);
  border: 1px solid var(--line);
  padding: 2px 6px;
  white-space: nowrap;
  font-family: "Hiragino Sans", "Yu Gothic UI", sans-serif;
}
.lbl.on { border-color: var(--gold); }
.lbl.dim {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  color: #e6d7a0;
  border-color: var(--gold);
}

@media (max-width: 860px) {
  .top { grid-template-columns: 1fr; padding-bottom: 8px; }
  .asof { text-align: left; }
  .rail.left {
    top: auto;
    bottom: 118px;
    left: 8px;
    right: 8px;
    width: auto;
    max-height: 96px;
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .rail.left .rail-k { display: none; }
  .rail.left .row { width: auto; min-width: 140px; flex: 0 0 auto; }
  .rail.right {
    top: auto;
    bottom: 52px;
    left: 8px;
    right: 8px;
    width: auto;
    max-height: 28vh;
  }
  .instructor, .hint { display: none; }
  .overlay { inset: 6vh 4vw 8vh; padding: 20px 16px; }
  h1 { font-size: 18px; }
}