:root {
  --bg: var(--tg-theme-bg-color, #12151c);
  --card: var(--tg-theme-secondary-bg-color, #1b2029);
  --text: var(--tg-theme-text-color, #eef1f6);
  --muted: var(--tg-theme-hint-color, #8b93a3);
  --up: #26c07f;
  --down: #ec4b5d;
  --accent: var(--tg-theme-button-color, #3b82f6);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  overscroll-behavior: none;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}
.brand { font-weight: 700; font-size: 17px; }
.brand span { letter-spacing: .3px; }
.balance {
  display: flex; align-items: center; gap: 6px;
  background: var(--card);
  padding: 6px 12px; border-radius: 999px;
  font-weight: 700; font-size: 16px;
}

.price-row {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 0 16px 8px;
}
.pair { color: var(--muted); font-size: 13px; font-weight: 600; }
.price { font-size: 26px; font-weight: 800; font-variant-numeric: tabular-nums; }
.price.flash-up { color: var(--up); }
.price.flash-down { color: var(--down); }

.chart {
  height: 300px;
  margin: 0 8px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--card);
}

.controls { padding: 14px 16px 6px; }
.label { color: var(--muted); font-size: 13px; font-weight: 600; margin-bottom: 8px; }

.durations { display: flex; gap: 8px; }
.durations button {
  flex: 1;
  padding: 10px 0;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
}
.durations button.active {
  border-color: var(--accent);
  color: var(--accent);
}

.stake-label { margin-top: 16px; }
.stakes { display: flex; gap: 8px; }
.stakes button {
  flex: 1;
  padding: 10px 0;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
}
.stakes button.active {
  border-color: var(--accent);
  color: var(--accent);
}
.stakes button:disabled { opacity: .4; }

.hint { color: var(--muted); font-size: 12px; margin: 12px 0 10px; text-align: center; }
.hint b { color: var(--text); }

.bet-buttons { display: flex; gap: 10px; }
.bet {
  flex: 1;
  padding: 16px 0;
  border: none;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 800;
  color: #fff;
}
.bet.up { background: var(--up); }
.bet.down { background: var(--down); }
.bet:active { transform: scale(.98); }
.bet:disabled { opacity: .5; }

.bets { padding: 16px; }
.bets-list { display: flex; flex-direction: column; gap: 8px; }
.empty { color: var(--muted); font-size: 14px; text-align: center; padding: 12px 0; }

.bet-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border-radius: 12px;
  padding: 10px 12px;
  border-left: 3px solid var(--muted);
}
.bet-card.pending { border-left-color: var(--accent); }
.bet-card.won { border-left-color: var(--up); }
.bet-card.lost { border-left-color: var(--down); }
.bet-card.refund { border-left-color: var(--muted); }

.bet-dir { font-size: 18px; font-weight: 800; }
.bet-dir.up { color: var(--up); }
.bet-dir.down { color: var(--down); }
.bet-meta { display: flex; flex-direction: column; gap: 2px; }
.bet-meta .row1 { font-weight: 700; font-size: 14px; }
.bet-meta .row2 { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.bet-status { font-size: 13px; font-weight: 800; text-align: right; }
.bet-status .countdown { color: var(--accent); font-variant-numeric: tabular-nums; }
.bet-status.won { color: var(--up); }
.bet-status.lost { color: var(--down); }
.bet-status.refund { color: var(--muted); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0,0,0,.85);
  color: #fff;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  max-width: 80%;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Full-screen overlay for the win fireworks; never intercepts touches. */
.fx {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}