:root {
  --bg: #10161c;
  --panel: #182029;
  --panel-2: #1f2933;
  --line: #2b3742;
  --text: #e6edf3;
  --muted: #8b9aa8;
  --accent: #3fb27f;
  --accent-dim: #2c7a58;
  --bad: #e05252;
  --spade: #e6edf3;
  --heart: #ff6b6b;
  --diamond: #57a6ff;
  --club: #4fd18b;
  --font: Helvetica, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 26px 16px 51px;
  background: var(--bg);
  color: var(--text);
  font: 12px/1.5 var(--font);
}

main { max-width: 768px; margin: 0 auto; }

header { margin-bottom: 18px; }
h1 { margin: 0; font-size: 21px; letter-spacing: -0.01em; }
.blurb { margin: 6px 0 0; color: var(--muted); max-width: 52em; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  margin-bottom: 13px;
}

/* Card slots. Hand sized here; the board overrides just below. */
.card {
  width: 34px; height: 42px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: 600 14px/1 var(--font);
  text-align: center;
  padding: 0;
  cursor: pointer;
  caret-color: transparent;
}
.card::placeholder { color: #4b5a68; font-weight: 400; font-size: 12px; }
.card:focus { outline: none; }
/* The slot the next deck click deals into. */
.card.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(63, 178, 127, 0.3); }
.card.invalid { border-color: var(--bad); box-shadow: 0 0 0 2px rgba(224, 82, 82, 0.2); }
/* The board has matched this rank, so the card is lying face up. */
.card.discarded { opacity: 0.4; text-decoration: line-through; border-style: dashed; }
.card.suit-s { color: var(--spade); }
.card.suit-h { color: var(--heart); }
.card.suit-d { color: var(--diamond); }
.card.suit-c { color: var(--club); }

/* The board, with the four streets standing off from one another */
.board-panel { position: relative; display: flex; justify-content: center; padding: 20px 13px; }
.felt {
  position: absolute; inset: 6px;
  border-radius: 50% / 34%;
  border: 1px solid var(--line);
  background: radial-gradient(ellipse at center, rgba(63, 178, 127, 0.10), rgba(63, 178, 127, 0.02) 72%, transparent);
}
.board {
  position: relative;
  display: flex; gap: 6px;
  flex-wrap: wrap; justify-content: center;
}
.board .card { width: 40px; height: 48px; font-size: 16px; }
.board .card::placeholder { font-size: 13px; }
.slot { display: flex; }
.board .slot.street { margin-left: 12px; }

/* Seats. Five cards plus a discard note will not fit a ring, so they lay out
   as a grid that reflows on its own. */
.players {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 10px;
}
.player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 8px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  min-width: 0;
}
.player.leader { border-color: var(--accent-dim); background: rgba(63, 178, 127, 0.07); }
.seat { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.holecards { display: flex; gap: 5px; }
.note { color: var(--muted); font-size: 10px; }
.note:empty { display: none; }

.result { width: 100%; text-align: center; }
.result.empty { display: none; }
.equity-pct { font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }
/* One line each, so a seat never grows into the one beside it. */
.breakdown {
  color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bar { height: 5px; border-radius: 3px; background: var(--panel); margin: 5px 0 4px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 3px; }

/* Deck */
.deck-panel { display: flex; align-items: flex-start; gap: 16px; }
.side { flex: 0 0 auto; display: flex; flex-direction: column; gap: 10px; }
.status-sizer {
  display: block; height: 0; overflow: hidden; visibility: hidden;
  white-space: nowrap; font-size: 10px;
}
.deck {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 5px;
  max-width: 624px;
}
.deck-card {
  display: flex; align-items: center; justify-content: center; gap: 1px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--text);
  font: 600 11px/1 var(--font);
  padding: 7px 0;
  cursor: pointer;
}
.deck-card:hover { background: #26323d; border-color: var(--accent); }
.deck-card.used { opacity: 0.28; }
.deck-card.suit-s { color: var(--spade); }
.deck-card.suit-h { color: var(--heart); }
.deck-card.suit-d { color: var(--diamond); }
.deck-card.suit-c { color: var(--club); }
.pip { font-size: 10px; }

/* Controls */
button {
  background: var(--accent); color: #06110b; border: 0; border-radius: 6px;
  padding: 9px 18px; font-size: 12px; font-weight: 600; cursor: pointer;
  font-family: var(--font);
}
button:hover { background: #4ac68e; }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
button.ghost:hover { background: var(--panel-2); color: var(--text); }

.status { margin: 0; color: var(--muted); font-size: 10px; min-height: 16px; }
.status.error { color: var(--bad); }

@media (max-width: 940px) {
  .deck-panel { flex-direction: column; }
  /* Column flex, so flex-grow works on the vertical axis: the deck has to be
     told to fill the width outright. */
  .deck { max-width: none; width: 100%; }
  .side { flex-direction: row; align-items: center; width: 100%; }
  .status-sizer { display: none; }
}

@media (max-width: 620px) {
  .deck { gap: 4px; }
  .deck-card { font-size: 10px; padding: 6px 0; }
  .pip { font-size: 9px; }
  .board .card { width: 34px; height: 42px; font-size: 14px; }
  .board .slot.street { margin-left: 8px; }
}