:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --line: #334155;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #22c55e;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, #1e293b, #020617 70%);
  position: relative;
  overflow-x: hidden;
}

.shell {
  width: min(1000px, 92vw);
  margin: 24px auto;
  position: relative;
  z-index: 2;
}

.bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.bg::before,
.bg::after {
  content: "";
  position: absolute;
}

.bg::before {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  right: -80px;
  top: 70px;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.18), transparent 42%),
    radial-gradient(circle at 60% 62%, rgba(16, 185, 129, 0.26), rgba(16, 185, 129, 0) 68%),
    linear-gradient(135deg, rgba(30, 41, 59, 0.45), rgba(15, 23, 42, 0.12));
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.35);
}

.bg::after {
  left: 24px;
  bottom: 18px;
  content: "A K Q J 10   ♠ ♥ ♣ ♦";
  color: rgba(148, 163, 184, 0.2);
  letter-spacing: 0.28em;
  font-weight: 700;
  font-size: 15px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card {
  background: linear-gradient(180deg, rgba(31, 41, 55, 0.95), rgba(17, 24, 39, 0.96));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}

h1, h2 { margin: 0 0 10px; }
h3 { margin: 0; font-size: 15px; }
p { margin: 0 0 12px; color: var(--muted); }
.title-icon {
  font-size: 15px;
  color: #9ca3af;
  margin-left: 4px;
}

input, select, button {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0b1220;
  color: var(--text);
  padding: 9px 10px;
}

input[readonly] {
  background: #0a1020;
  color: #cbd5e1;
}

button {
  background: var(--accent);
  color: #052e16;
  border: none;
  font-weight: 700;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab.active {
  background: #86efac;
  color: #052e16;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 10px 0;
}

.player-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr auto;
  gap: 8px;
  margin: 8px 0;
}

.grid-head {
  display: grid;
  gap: 8px;
  margin: 8px 0;
  color: #9ca3af;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.accounting-head {
  grid-template-columns: 1fr 1fr 1fr 1fr auto;
}

.odds-head {
  grid-template-columns: 1fr 1.3fr auto;
}

#oddsPlayers .player-row {
  grid-template-columns: 1fr 1fr auto;
}

.result {
  border: 1px solid var(--line);
  background: #020617;
  border-radius: 10px;
  padding: 12px;
  min-height: 70px;
  overflow: auto;
}

.odds-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}

.odds-config {
  display: grid;
  gap: 10px;
}

.odds-block {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.72);
  padding: 12px;
}

.odds-player-row {
  grid-template-columns: 1fr 1.3fr auto;
}

.board-inputs {
  display: grid;
  grid-template-columns: repeat(5, minmax(52px, 1fr)) auto;
  gap: 8px;
}

.board-card {
  text-align: center;
  font-weight: 700;
  text-transform: uppercase;
}

.hand-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.card-field {
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  user-select: none;
}

.card-field.suit-h,
.card-field.suit-d {
  color: #fecaca;
  border-color: #7f1d1d;
  background: #1f0a0a;
}

.card-field.suit-c,
.card-field.suit-s {
  color: #d1d5db;
}

.card-field.used-card {
  opacity: 0.55;
}

.odds-output {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.72);
  padding: 12px;
}

.odds-cards {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.odds-card {
  border: 1px solid var(--line);
  background: #050b18;
  border-radius: 12px;
  padding: 10px;
}

.odds-card-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.odds-name {
  font-weight: 700;
}

.odds-equity {
  font-weight: 700;
  color: #86efac;
}

.odds-bar {
  height: 9px;
  border-radius: 999px;
  background: #111827;
  border: 1px solid #1f2937;
  overflow: hidden;
  margin-bottom: 6px;
}

.odds-bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #34d399, #22c55e);
}

.odds-meta {
  color: var(--muted);
  font-size: 13px;
}

.card-picker {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: min(420px, calc(100vw - 28px));
  background: #020617;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  z-index: 30;
}

.card-picker-title {
  font-weight: 700;
  margin-bottom: 10px;
}

.picker-ranks {
  display: grid;
  grid-template-columns: repeat(13, minmax(24px, 1fr));
  gap: 6px;
}

.picker-rank,
.picker-suit {
  border: 1px solid var(--line);
  background: #0b1220;
  color: var(--text);
  border-radius: 8px;
  padding: 6px 0;
  font-weight: 700;
}

.picker-rank.active {
  border-color: #22c55e;
  background: #062915;
}

.picker-suits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.picker-suit {
  font-size: 18px;
}

.picker-suit.suit-d,
.picker-suit.suit-h {
  color: #fca5a5;
}

.picker-row {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 10px;
}

.hidden { display: none; }
.error { color: var(--danger); }
.muted { color: var(--muted); }
.history-item { padding: 10px; border-bottom: 1px solid var(--line); }

.history-item .row {
  margin: 6px 0 0;
}

@media (max-width: 760px) {
  .bg::before,
  .bg::after {
    display: none;
  }

  .grid-head {
    display: none;
  }

  .player-row,
  #oddsPlayers .player-row {
    grid-template-columns: 1fr;
  }

  .odds-layout {
    grid-template-columns: 1fr;
  }

  .board-inputs {
    grid-template-columns: repeat(3, minmax(52px, 1fr));
  }

  .odds-player-row {
    grid-template-columns: 1fr;
  }

  .card-picker {
    right: 10px;
    bottom: 10px;
  }

  .picker-ranks {
    grid-template-columns: repeat(7, minmax(24px, 1fr));
  }
}