@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500&family=DM+Serif+Display&display=swap');

:root {
  --void: #05070a;
  --panel: #0a0f18;
  --line: #111a2a;
  --text: #c8d6e5;
  --dim: #4a5568;
  --muted: #2d3748;
  --gold: #d4a26a;
  --gold-glow: rgba(212,162,106,0.15);
  --blue: #5b8fb9;
  --blue-glow: rgba(91,143,185,0.12);
  --green: #6abf8a;
  --red: #e07070;
  --red-glow: rgba(224,112,112,0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--void);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  height: 100vh;
  overflow: hidden;
  cursor: crosshair;
}

canvas { display: block; touch-action: manipulation; }

.title-card {
  position: fixed;
  top: 28px;
  left: 32px;
  z-index: 100;
  pointer-events: none;
}
.title-card h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.title-card .sub {
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.legend {
  position: fixed;
  bottom: 24px;
  left: 32px;
  z-index: 100;
  pointer-events: none;
}
.legend div {
  font-size: 9px;
  color: var(--dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.legend .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.dot-up { background: var(--gold); box-shadow: 0 0 6px var(--gold); }
.dot-down { background: var(--blue); box-shadow: 0 0 6px var(--blue); }
.dot-both { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot-idle { background: var(--muted); }

.station-label {
  position: fixed;
  z-index: 100;
  pointer-events: none;
  text-align: center;
}
.station-label .name {
  font-size: 11px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 1px;
}
.station-label .loc {
  font-size: 8px;
  color: var(--dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.sc-tooltip {
  position: fixed;
  z-index: 200;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 16px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  max-width: 260px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}
.sc-tooltip.visible { opacity: 1; }
.sc-tooltip.has-links { pointer-events: auto; }
.sc-tooltip .sc-name {
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 4px;
}
.sc-tooltip .sc-meta {
  font-size: 9px;
  color: var(--dim);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.sc-tooltip .sc-detail {
  font-size: 11px;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-line;
}
.sc-tooltip .sc-desc {
  font-size: 10px;
  color: var(--dim);
  margin-top: 6px;
  line-height: 1.5;
  white-space: pre-line;
}
.sc-tooltip .sc-desc a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px dotted var(--dim);
}
.sc-tooltip .sc-desc a:hover {
  color: var(--text);
}

.status-bar {
  position: fixed;
  top: 28px;
  right: 32px;
  z-index: 100;
  text-align: right;
  pointer-events: none;
}
.status-bar .ts {
  font-size: 9px;
  color: var(--dim);
  letter-spacing: 1px;
}
.status-bar .active-count {
  font-size: 11px;
  color: var(--gold);
  margin-top: 2px;
}

.source-link {
  position: fixed;
  bottom: 24px;
  right: 32px;
  z-index: 100;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.source-link a {
  color: var(--dim);
  text-decoration: none;
  transition: color 0.2s;
}
.source-link a:hover { color: var(--gold); }

.light-counter {
  position: fixed;
  bottom: 42px;
  right: 32px;
  z-index: 100;
  pointer-events: none;
  text-align: right;
}
.light-counter .light-value {
  font-size: 13px;
  color: var(--dim);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.light-counter .light-label {
  display: block;
  font-size: 8px;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 1px;
}

.audio-toggle {
  position: fixed;
  top: 80px;
  right: 32px;
  z-index: 100;
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--dim);
  font-size: 16px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s;
}
.audio-toggle:hover { color: var(--gold); border-color: var(--gold); }
.audio-toggle.active { color: var(--gold); border-color: var(--gold); }

.pulse-hint {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  pointer-events: none;
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 1s;
}
.pulse-hint.visible { opacity: 1; }

.source-link .sep {
  color: var(--muted);
  margin: 0 6px;
}

.about-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(5,7,10,0.85);
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.about-overlay.visible { display: flex; }
.about-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 36px 40px;
  max-width: 520px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  color: var(--text);
  font-size: 13px;
  line-height: 1.7;
}
.about-panel h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 24px;
  font-weight: 400;
  color: var(--gold);
  margin-bottom: 16px;
}
.about-panel h3 {
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 20px;
  margin-bottom: 8px;
}
.about-panel p {
  margin-bottom: 12px;
  color: var(--dim);
}
.about-panel a {
  color: var(--gold);
  text-decoration: none;
}
.about-panel a:hover { text-decoration: underline; }
.about-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--dim);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.about-close:hover { color: var(--text); }
.about-footer {
  margin-top: 24px;
  font-size: 11px;
  color: var(--muted);
}

@media (max-width: 600px) {
  .title-card { top: 16px; left: 16px; }
  .title-card h1 { font-size: 18px; }
  .title-card .sub { font-size: 8px; }
  .status-bar { top: 56px; right: auto; left: 16px; text-align: left; }
  .status-bar .active-count { font-size: 10px; }
  .legend { bottom: 16px; left: 16px; display: flex; flex-wrap: wrap; gap: 6px 14px; max-width: 200px; }
  .legend div { font-size: 7px; margin-bottom: 0; gap: 5px; }
  .legend .dot { width: 6px; height: 6px; }
  .source-link { bottom: 16px; right: 16px; font-size: 8px; }
  .light-counter { bottom: 42px; right: 16px; }
  .light-counter .light-value { font-size: 10px; }
  .audio-toggle { top: 50px; right: 16px; width: 28px; height: 28px; font-size: 14px; }
  .about-panel { padding: 24px 20px; }
  .sc-tooltip { max-width: 220px; }
  .pulse-hint { font-size: 8px; bottom: 50px; }
}

body.game-active .title-card, body.game-active .legend,
body.game-active .status-bar, body.game-active .light-counter,
body.game-active .source-link, body.game-active .pulse-hint,
body.game-active .audio-toggle, body.game-active .sc-tooltip,
body.game-active .about-overlay { display: none !important; }