:root {
  --bg: #0c1018;
  --surface: #141c2a;
  --border: #2a3a52;
  --text: #e8eef8;
  --muted: #8a9bb8;
  --accent: #f5c518;
  --accent-dim: #c9a012;
  --lane-left: #e85d5d;
  --lane-right: #5d8ae8;
  --lane-up: #e8c85d;
  --lane-down: #8ae85d;
  --ok: #3dd6a0;
}

body.subway-shell {
  background: radial-gradient(ellipse 90% 50% at 50% -15%, #1a2840, var(--bg) 55%);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  margin: 0;
  min-height: 100vh;
}

.subway-wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1rem 1.15rem 2.5rem;
}

.subway-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.subway-top h1 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--accent);
}

.subway-top a {
  color: #7eb8ff;
  font-size: 0.92rem;
}

.subway-lead {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.pad-activate-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}

.pad-activate-banner[hidden] {
  display: none !important;
}

.pad-activate-banner .primary {
  background: linear-gradient(135deg, var(--accent-dim), var(--accent));
  color: #1a1408;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1.1rem;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.95rem;
}

.pad-activate-hint {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.device-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.device-strip strong {
  color: var(--text);
}

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}

.section h2 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.lane-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.lane-card {
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  background: #101820;
  transition: border-color 0.1s, box-shadow 0.1s, transform 0.08s;
}

.lane-card.pressed {
  transform: scale(0.98);
  box-shadow: 0 0 0 2px rgba(245, 197, 24, 0.35);
  border-color: var(--accent);
}

.lane-card[data-lane="left"] { border-left: 3px solid var(--lane-left); }
.lane-card[data-lane="right"] { border-left: 3px solid var(--lane-right); }
.lane-card[data-lane="up"] { border-left: 3px solid var(--lane-up); }
.lane-card[data-lane="down"] { border-left: 3px solid var(--lane-down); }

.lane-arrow {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
}

.lane-action {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  margin-top: 0.15rem;
}

.lane-key {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.2rem;
  font-family: ui-monospace, monospace;
}

.lane-index {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.mapping-table th,
.mapping-table td {
  text-align: left;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.mapping-table th {
  color: var(--muted);
  font-weight: 600;
}

.game-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.game-link-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
  background: #101820;
}

.game-link-card strong {
  display: block;
  margin-bottom: 0.25rem;
}

.game-link-card p {
  margin: 0.35rem 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.game-link-card .btn-open {
  display: inline-block;
  background: var(--accent);
  color: #1a1408;
  text-decoration: none;
  font-weight: 700;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.88rem;
}

.game-link-card .btn-open:hover {
  filter: brightness(1.08);
}

.steps {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.55;
}

.steps li {
  margin-bottom: 0.45rem;
}

.steps a {
  color: #7eb8ff;
}

.bridge-panel {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.bridge-toggle {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.88rem;
  cursor: pointer;
}

.bridge-toggle input {
  margin-top: 0.2rem;
}

.bridge-test {
  margin-top: 0.65rem;
  padding: 0.75rem;
  border: 2px dashed var(--border);
  border-radius: 8px;
  min-height: 4rem;
  outline: none;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--muted);
  background: #0a0e14;
}

.bridge-test:focus {
  border-color: var(--accent);
  color: var(--text);
}

.bridge-test.has-events {
  color: var(--ok);
}

.event-log {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  max-height: 8rem;
  overflow-y: auto;
  font-size: 0.82rem;
  font-family: ui-monospace, monospace;
  color: var(--muted);
}

.event-log li {
  padding: 0.2rem 0;
  border-bottom: 1px solid rgba(42, 58, 82, 0.5);
}

.note-box {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.75rem 0 0;
  line-height: 1.45;
}

.note-box code {
  font-size: 0.82em;
  background: #0a0e14;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}