:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel-border: #262b33;
  --text: #eef1f5;
  --muted: #8a94a3;
  --amber-off: #3a2f14;
  --amber-on: #ffb400;
  --amber-glow: #ffcf4d;
  --green-off: #123018;
  --green-on: #24e05c;
  --green-glow: #7bffa3;
  --red: #ff4d4d;
  --accent: #4f8cff;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--panel-border);
}

.topbar h1 {
  font-size: 20px;
  letter-spacing: 0.12em;
  margin: 0;
}

.auth-area { display: flex; align-items: center; gap: 10px; }

.btn {
  font: inherit;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.btn:hover { border-color: var(--accent); }

.btn-google {
  background: #fff;
  color: #1f1f1f;
  border: none;
  font-weight: 600;
}

.btn-ghost {
  background: transparent;
  padding: 6px 10px;
  font-size: 13px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
}

.user-photo {
  width: 26px;
  height: 26px;
  border-radius: 50%;
}

.hidden { display: none !important; }

.layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
}

.game-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  width: 100%;
}

.mode-group {
  display: flex;
  background: #0f1115;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 4px;
}

.mode-btn {
  font: inherit;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.mode-btn.active {
  background: var(--accent);
  color: #fff;
}

.mode-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.tree-frame {
  background: #05070a;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 22px 40px;
}

.tree {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.bulb {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  transition: background-color 40ms linear, box-shadow 40ms linear;
}

.bulb.amber { background: var(--amber-off); }
.bulb.amber.lit {
  background: var(--amber-on);
  box-shadow: 0 0 28px 6px var(--amber-glow);
}

.bulb.green { background: var(--green-off); }
.bulb.green.lit {
  background: var(--green-on);
  box-shadow: 0 0 32px 8px var(--green-glow);
}

.readout {
  text-align: center;
}

.status-text {
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}

.status-text.foul { color: var(--red); }
.status-text.go { color: var(--green-on); }

.time-text {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
}

.perfect-badge {
  margin-top: 6px;
  font-weight: 700;
  color: var(--green-on);
  letter-spacing: 0.05em;
}

.stage-btn {
  font: inherit;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 18px 40px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  user-select: none;
  touch-action: none;
  min-width: 260px;
}

.stage-btn:active { filter: brightness(1.1); }

.stage-btn.armed { background: #d68b00; }
.stage-btn.live { background: var(--green-on); color: #05070a; }
.stage-btn.foul { background: var(--red); }

.help-text {
  max-width: 460px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.pb-row {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 8px;
}

.pb-row strong { color: var(--text); }

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 18px;
}

.panel-card h2 {
  margin: 0 0 6px;
  font-size: 15px;
  letter-spacing: 0.06em;
}

.panel-note {
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 10px;
}

.leaderboard-list, .club-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 300px;
  overflow-y: auto;
}

.leaderboard-list li, .club-list li {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 6px 8px;
  border-radius: 8px;
  background: #0f1115;
}

.leaderboard-list .placeholder, .club-list .placeholder {
  color: var(--muted);
  justify-content: center;
}

.club-card { border-color: #3a2f14; }