:root {
  --bg: radial-gradient(circle at 20% 20%, #1f8f68, #0c5b3f 60%, #08402c);
  --felt-line: rgba(255, 255, 255, 0.07);
  --card-back: repeating-linear-gradient(45deg, #254, #254 6px, #3a6 6px, #3a6 12px);
  --card-w: clamp(46px, 12.4vw, 94px);
  --card-h: calc(var(--card-w) * 1.4);
  --pile-gap: clamp(4px, 1.4vw, 10px);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: #fff;
  min-height: 100vh;
}

.app {
  padding: calc(env(safe-area-inset-top) + 10px) 10px calc(env(safe-area-inset-bottom) + 86px);
  max-width: 1240px;
  margin: 0 auto;
}

.topbar,
.panel,
.dock {
  background: rgba(7, 18, 16, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.topbar {
  border-radius: 16px;
  padding: 12px;
}

.title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.topbar h1 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.2px;
}

.player-row { margin-top: 10px; }
.player-row label { display: grid; gap: 6px; font-size: .85rem; color: rgba(255,255,255,.9); }

input, button, select {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 11px 12px;
  min-height: 44px;
  font-size: .95rem;
}

input, select {
  background: rgba(255, 255, 255, 0.96);
  color: #1a1a1a;
}

button {
  background: #1f8f68;
  color: white;
  font-weight: 700;
}

.icon-btn {
  width: 44px;
  padding: 0;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
}

.stats-row {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.stat-pill {
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 8px 9px;
  font-size: .82rem;
  display: grid;
  gap: 1px;
}
.stat-pill strong {
  font-size: 1.05rem;
  letter-spacing: .2px;
}

main { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 10px; }
@media (min-width: 980px) {
  .app { padding-bottom: 18px; }
  .topbar h1 { font-size: 1.1rem; }
  main { grid-template-columns: minmax(0, 3fr) minmax(260px, 1fr); }
  .dock { position: static; margin-top: 10px; }
}

.board {
  padding: 8px;
  border-radius: 16px;
  background-image:
    linear-gradient(var(--felt-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--felt-line) 1px, transparent 1px);
  background-size: 22px 22px;
  border: 1px solid rgba(255,255,255,.15);
}

.row { display: flex; gap: var(--pile-gap); margin-bottom: 10px; }
.stock-waste { display: flex; gap: var(--pile-gap); }
.foundations { margin-left: auto; display: flex; gap: var(--pile-gap); }
.tableau { justify-content: space-between; align-items: flex-start; }

.pile {
  width: var(--card-w);
  height: var(--card-h);
  border: 2px dashed rgba(255,255,255,.37);
  border-radius: 12px;
  position: relative;
}

.tableau-pile { min-height: calc(var(--card-h) + 20vh); }

.card {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: 12px;
  position: absolute;
  left: 0;
  top: 0;
  background: linear-gradient(160deg, #fff, #f5f5f5);
  color: #101010;
  border: 1px solid #d4d4d4;
  box-shadow: 0 5px 14px rgba(0,0,0,.38), 0 1px 0 rgba(255,255,255,.45) inset;
  user-select: none;
  touch-action: none;
  transition: transform .18s ease, box-shadow .18s ease, top .2s ease;
}

.card.face-down {
  background: var(--card-back);
  border-color: rgba(255,255,255,.24);
  box-shadow: 0 5px 14px rgba(0,0,0,.45);
  color: transparent;
}

.card .corner { position: absolute; font-size: .95rem; font-weight: 800; line-height: 1; text-shadow: 0 0 0.2px rgba(0,0,0,.25); }
.card .tl { top: 6px; left: 7px; }
.card .br { bottom: 6px; right: 7px; transform: rotate(180deg); }
.card.red { color: #bb1a2d; }
.card.selected {
  outline: 3px solid #ffd84f;
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 10px 18px rgba(0,0,0,.45);
}

.sidebar {
  display: grid;
  gap: 10px;
  align-content: start;
}

@media (max-width: 979px) {
  .sidebar {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: calc(env(safe-area-inset-bottom) + 78px);
    max-height: 62vh;
    overflow: auto;
    z-index: 40;
    transform: translateY(calc(100% + 14px));
    opacity: 0;
    pointer-events: none;
    transition: transform .25s ease, opacity .2s ease;
  }
  .sidebar.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

.panel {
  border-radius: 14px;
  padding: 12px;
}
.panel h2 { margin: 0 0 8px; font-size: 1rem; }
.panel label { display: grid; gap: 4px; margin-bottom: 8px; }
#leaderboard { margin: 0; padding-left: 18px; }
.empty-note { opacity: .7; font-size: .85rem; }

.dock {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: calc(env(safe-area-inset-bottom) + 8px);
  z-index: 45;
  border-radius: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 8px;
  gap: 8px;
}

.dock button {
  font-size: .85rem;
  min-height: 46px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + 78px);
  transform: translate(-50%, 18px);
  background: rgba(0, 0, 0, 0.76);
  color: #fff;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: .86rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 60;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.win-banner {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.72);
  display: grid;
  place-items: center;
  z-index: 100;
}
.win-banner .content {
  background: #103f2f;
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,.14);
}