:root {
  --bg: #efe5d2;
  --ink: #1e1b18;
  --panel: #fff7ea;
  --accent: #9b2c2c;
  --accent-2: #c56a17;
  --line: #5a4632;
  --win: #2f855a;
  --lose: #c53030;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "STKaiti", "KaiTi", "Noto Serif SC", serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 10%, #f8ecd2, #e4d2b8 60%, #d1b896);
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.topbar h1 {
  margin: 0;
  font-size: 32px;
  color: var(--accent);
}

.hud {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

button {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff6df, #efd8b0);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 700;
}

main {
  display: grid;
  gap: 14px;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.lane {
  border: 2px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 8px;
}

.lane-title {
  margin: 0;
  font-size: 18px;
}

.lane-desc {
  margin: 2px 0 8px;
  font-size: 13px;
}

.lane-score {
  font-weight: 700;
  margin-bottom: 8px;
}

.slot-row {
  min-height: 92px;
  border: 1px dashed #866;
  border-radius: 8px;
  padding: 6px;
  margin-bottom: 8px;
  background: #fffdf7;
}

.slot-row.ai {
  background: #fff4f4;
}

.slot-row.player {
  background: #f6fff8;
}

.cards-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card {
  border: 1px solid #734;
  border-radius: 8px;
  width: 94px;
  background: linear-gradient(180deg, #fffef9, #f2e4cb);
  padding: 5px;
  font-size: 12px;
}

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

.card .meta {
  display: flex;
  justify-content: space-between;
}

.card.selectable:hover {
  outline: 2px solid #2f855a;
}

.card.selected {
  outline: 3px solid #2f855a;
}

.lane.playable {
  box-shadow: inset 0 0 0 3px #2f855a;
  cursor: pointer;
}

.hand {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 110px;
}

.status-panel {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 10px;
}

.status-panel > div {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fffbee;
  padding: 8px;
}

.win {
  color: var(--win);
}

.lose {
  color: var(--lose);
}

@media (max-width: 900px) {
  .board {
    grid-template-columns: 1fr;
  }

  .status-panel {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}