:root {
  --felt: #1a5c3a;
  --felt-deep: #0f3d28;
  --card-w: 72px;
  --card-h: 100px;
  --card-radius: 8px;
  --fan-offset: 28px;
  --red: #c41e3a;
  --black: #1a1a1a;
  --card-face: #f7f3e9;
  --card-back: #8b1a1a;
  --card-back-pattern: #6e1212;
  --shadow: rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: "Source Sans 3", sans-serif;
  color: #f0e6d2;
  min-height: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1rem 1rem;
  background:
    radial-gradient(ellipse at center, #247a4a 0%, var(--felt) 45%, var(--felt-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.015) 2px,
      rgba(255, 255, 255, 0.015) 4px
    );
  pointer-events: none;
  z-index: 0;
}

.title {
  text-align: center;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.title h1 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e8d9b5;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.board {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.35rem;
  position: relative;
  z-index: 1;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
  width: min(280px, 80vw);
}

.menu-btn {
  font-family: "Cormorant Garamond", serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #1a3d28;
  background: #e8d9b5;
  border: none;
  border-radius: 8px;
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.menu-btn:hover {
  background: #f3e9d0;
}

.menu-btn:active {
  transform: translateY(1px);
}

.menu-btn:disabled,
.setup-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.setup-note {
  font-size: 0.85rem;
  color: rgba(232, 217, 181, 0.7);
  text-align: center;
  margin-top: 0.25rem;
}

.board.flipped {
  transform: rotate(180deg);
}

.board.flipped .game-over {
  transform: rotate(180deg);
}

.setup-backdrop {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 40, 25, 0.55);
  z-index: 20;
  padding: 1rem;
}

.setup-panel {
  width: min(340px, 100%);
  background: #163d28;
  border: 1px solid rgba(232, 217, 181, 0.35);
  border-radius: 12px;
  padding: 1.5rem 1.35rem 1.25rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.setup-panel h2 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #e8d9b5;
  text-align: center;
  margin-bottom: 0.25rem;
}

.setup-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(232, 217, 181, 0.65);
}

.setup-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.setup-option {
  flex: 1;
  min-width: 0;
  font-family: "Source Sans 3", sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: #e8d9b5;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(232, 217, 181, 0.3);
  border-radius: 6px;
  padding: 0.55rem 0.5rem;
  cursor: pointer;
}

.setup-option.selected {
  background: #e8d9b5;
  color: #1a3d28;
  border-color: #e8d9b5;
}

.setup-actions {
  display: flex;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.setup-actions .menu-btn {
  flex: 1;
  font-size: 1.05rem;
  padding: 0.75rem 1rem;
}

.setup-secondary {
  background: transparent;
  color: #e8d9b5;
  border: 1px solid rgba(232, 217, 181, 0.45);
  box-shadow: none;
}

.setup-secondary:hover {
  background: rgba(232, 217, 181, 0.1);
}

.game-over {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 40, 25, 0.55);
  z-index: 10;
  pointer-events: auto;
  padding: 1rem;
}

.game-over-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  width: min(320px, 100%);
}

.game-over p {
  font-family: "Cormorant Garamond", serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #e8d9b5;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.game-over-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
}

.game-over-actions .menu-btn {
  width: 100%;
}

.player-zone {
  display: grid;
  grid-template-columns: var(--card-w) auto var(--card-w);
  column-gap: 1.25rem;
  row-gap: 0.5rem;
  justify-content: center;
  align-items: start;
  flex-shrink: 0;
}

.player-zone.opponent {
  grid-template-areas:
    "win hands ."
    ". play .";
}

.player-zone.self {
  grid-template-areas:
    ". play ."
    ". hands win";
}

.player-zone .hands {
  grid-area: hands;
}

.player-zone .win-pile {
  grid-area: win;
  align-self: start;
}

.player-zone .play-slot {
  grid-area: play;
  justify-self: center;
}

.hands {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Fixed slot positions; gaps remain when cards are played mid-stack. */
.suit-column {
  position: relative;
  width: var(--card-w);
  height: calc(
    var(--card-h) + (var(--fan-count, 4) - 1) * var(--fan-offset)
  );
}

/* Self: fan downward (Ace near play area at top of column) */
.player-zone.self .suit-column .card {
  position: absolute;
  left: 0;
  top: calc(var(--fan-index) * var(--fan-offset));
  z-index: calc(var(--fan-index) + 1);
}

/* Opponent: fan upward (Ace near play area at bottom of column) */
.player-zone.opponent .suit-column .card {
  position: absolute;
  left: 0;
  bottom: calc(var(--fan-index) * var(--fan-offset));
  z-index: calc(var(--fan-index) + 1);
  transform: rotate(180deg);
}

.play-slot {
  position: relative;
  width: calc(var(--card-w) + 8px);
  height: calc(var(--card-h) + var(--fan-offset) + 8px);
  border: 2px dashed rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  pointer-events: none;
}

/* Self: first card at top of slot, second below */
.play-slot.self-play .card {
  position: absolute;
  left: 4px;
  top: calc(4px + var(--fan-index, 0) * var(--fan-offset));
  z-index: calc(var(--fan-index, 0) + 1);
}

/* Opponent: first card at bottom of slot, second above (mirrored) */
.play-slot.opponent-play .card {
  position: absolute;
  left: 4px;
  bottom: calc(4px + var(--fan-index, 0) * var(--fan-offset));
  z-index: calc(var(--fan-index, 0) + 1);
  transform: rotate(180deg);
}

.win-pile {
  position: relative;
  width: var(--card-w);
  height: calc(var(--card-h) + 3 * var(--fan-offset));
  flex-shrink: 0;
}

.win-pile .trick {
  position: absolute;
  left: 0;
  width: var(--card-w);
  height: var(--card-h);
  z-index: calc(var(--fan-index) + 1);
}

.player-zone.self .win-pile .trick {
  top: calc(var(--fan-index) * var(--fan-offset));
}

.player-zone.opponent .win-pile .trick {
  bottom: calc(var(--fan-index) * var(--fan-offset));
}

.win-pile .trick .card {
  position: absolute;
  left: calc(var(--layer, 0) * 1px);
  top: calc(var(--layer, 0) * -1px);
  z-index: calc(var(--layer, 0) + 1);
}

.win-pile .trick .card.back {
  position: absolute;
}

.card {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-radius);
  box-shadow:
    0 2px 4px var(--shadow),
    0 1px 0 rgba(255, 255, 255, 0.2) inset;
  user-select: none;
  flex-shrink: 0;
  font: inherit;
  color: inherit;
  appearance: none;
  -webkit-appearance: none;
  padding: 0;
  margin: 0;
  text-align: inherit;
}

.card.playable {
  cursor: pointer;
}

.card:disabled {
  cursor: default;
}

.card.face {
  background: var(--card-face);
  border: 1px solid #c8bfa8;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 5px 6px;
  font-family: "Cormorant Garamond", serif;
  font-weight: 700;
  line-height: 1;
}

.card.face.red {
  color: var(--red);
}

.card.face.black {
  color: var(--black);
}

.card .corner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  font-size: 0.95rem;
}

.card .corner .suit {
  font-size: 0.85rem;
  line-height: 1;
}

.card .corner.bottom {
  transform: rotate(180deg);
  justify-self: end;
}

.card .pip {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.card.back {
  background:
    linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.06) 50%, transparent 60%),
    repeating-linear-gradient(
      45deg,
      var(--card-back) 0,
      var(--card-back) 4px,
      var(--card-back-pattern) 4px,
      var(--card-back-pattern) 8px
    );
  border: 3px solid #f0e6d2;
  position: relative;
}

.card.back::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(240, 230, 210, 0.45);
  border-radius: 3px;
}

@media (max-width: 640px) {
  :root {
    --card-w: 52px;
    --card-h: 74px;
    --fan-offset: 22px;
  }

  body {
    padding: 0.5rem;
  }

  .hands {
    gap: 0.5rem;
  }

  .player-zone {
    column-gap: 0.65rem;
    row-gap: 0.35rem;
  }
}