:root {
  --bg: #0f3d2e;
  --felt: #1a5c45;
  --ink: #f4f1e8;
  --muted: #b8c9c0;
  --accent: #e8c547;
  --danger: #c0392b;
  --card: #faf8f2;
  --shadow: rgba(0,0,0,.35);
  --tap: 48px; /* minimum comfortable touch target */
  --pad: max(0.85rem, env(safe-area-inset-left));
  --pad-r: max(0.85rem, env(safe-area-inset-right));
  --pad-b: max(1rem, env(safe-area-inset-bottom));
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(ellipse at center, var(--felt), var(--bg));
  color: var(--ink);
  display: flex;
  justify-content: center;
  padding: max(0.75rem, env(safe-area-inset-top)) var(--pad-r) var(--pad-b) var(--pad);
  overflow-x: hidden;
}

#app {
  width: 100%;
  max-width: 420px;
}

header { text-align: center; margin-bottom: 0.75rem; }
h1 {
  margin: 0;
  font-size: clamp(1.8rem, 8vw, 2.4rem);
  letter-spacing: 0.08em;
}
.tagline {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.panel {
  background: rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 1rem 1.1rem 1.25rem;
  box-shadow: 0 12px 40px var(--shadow);
}

.hidden { display: none !important; }

.row { margin-bottom: 0.85rem; }
label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input {
  width: 100%;
  min-height: var(--tap);
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(0,0,0,.25);
  color: var(--ink);
  font-size: 1.05rem; /* avoid iOS zoom on focus */
}

input.code {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  text-align: center;
  font-weight: 700;
  font-size: 1.25rem;
  flex: 1;
  min-width: 0;
}

.join-row {
  display: flex;
  gap: 0.6rem;
  align-items: stretch;
}

.actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.actions.stack {
  flex-direction: column;
}
.actions.stack > button { width: 100%; }

button {
  cursor: pointer;
  border: none;
  border-radius: 12px;
  min-height: var(--tap);
  padding: 0.75rem 1.15rem;
  font-size: 1.05rem;
  font-weight: 600;
  background: rgba(255,255,255,.12);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
button.big { min-height: 52px; font-size: 1.1rem; }
button.primary { background: var(--accent); color: #1a1a1a; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button:active:not(:disabled) { transform: scale(0.98); }

.divider {
  text-align: center;
  color: var(--muted);
  margin: 1rem 0;
  font-size: 0.9rem;
}

.status {
  min-height: 1.5em;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1.35;
  margin: 0.75rem 0 0;
  word-wrap: break-word;
}

.room-info {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255,255,255,.1);
}

.share-block { margin-bottom: 0.85rem; }
.share-label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.share-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  min-width: 0;
}
.code-display {
  flex: 1;
  min-width: 0;
  font-size: clamp(1.5rem, 7vw, 1.85rem);
  letter-spacing: 0.22em;
  font-variant-numeric: tabular-nums;
}
.share-url {
  flex: 1;
  min-width: 0;
  color: var(--accent);
  font-size: 0.85rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
  word-break: break-all;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.copy-btn {
  flex-shrink: 0;
  min-width: var(--tap);
  min-height: var(--tap);
  padding: 0.55rem 0.9rem;
  font-size: 0.95rem;
  background: rgba(232, 197, 71, 0.2);
  border: 1px solid rgba(232, 197, 71, 0.45);
  color: var(--accent);
}
.copy-btn.copied {
  background: var(--accent);
  color: #1a1a1a;
  border-color: var(--accent);
}
.copy-toast {
  min-height: 1.25em;
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

#roster {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0.85rem;
}
#roster li {
  padding: 0.45rem 0;
  color: var(--muted);
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
#roster li.host::after { content: " (host)"; color: var(--accent); }

.table {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: center;
}
.side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
}
.meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.label { font-size: 0.95rem; color: var(--muted); }
.deck-count {
  background: rgba(0,0,0,.3);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.05rem;
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
}

.card-slot {
  width: min(112px, 28vw);
  height: calc(min(112px, 28vw) * 1.42);
  border-radius: 12px;
  border: 2px dashed rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.15);
}

.playing-card {
  width: min(112px, 28vw);
  height: calc(min(112px, 28vw) * 1.42);
  border-radius: 12px;
  background: var(--card);
  color: #111;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.5rem 0.55rem;
  font-weight: 700;
  box-shadow: 0 6px 16px var(--shadow);
}
.playing-card .rank { font-size: clamp(1.2rem, 5vw, 1.45rem); line-height: 1; }
.playing-card .suit {
  font-size: clamp(1.5rem, 6vw, 1.85rem);
  text-align: center;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.playing-card.red { color: var(--danger); }
.playing-card.back {
  background: repeating-linear-gradient(45deg, #2c3e6b, #2c3e6b 8px, #3d5288 8px, #3d5288 16px);
  color: transparent;
  border: 3px solid #fff;
}

.pile {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 2rem;
  max-width: 100%;
  padding: 0 0.15rem;
}
.pile .playing-card {
  width: 44px;
  height: 62px;
  padding: 0.2rem 0.25rem;
}
.pile .playing-card .rank { font-size: 0.7rem; }
.pile .playing-card .suit { font-size: 0.85rem; }

.sticky-play {
  margin-top: 1rem;
  position: sticky;
  bottom: max(0.5rem, env(safe-area-inset-bottom));
}

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.55);
  z-index: 10;
  padding: 1rem;
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}
.win-box {
  background: #163d30;
  border-radius: 16px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  border: 1px solid rgba(255,255,255,.12);
  max-width: 360px;
  width: 100%;
}
.win-box h2 { margin: 0 0 0.5rem; font-size: clamp(1.6rem, 7vw, 2rem); }
.win-box p { color: var(--muted); margin: 0 0 1rem; }

/* Slightly roomier on larger phones / tablets */
@media (min-width: 400px) {
  .panel { padding: 1.25rem 1.35rem; }
  .pile .playing-card { width: 52px; height: 72px; }
}