/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --felt: #16613a;
  --felt-dark: #0d3f26;
  --felt-light: #1d7347;
  --gold: #f5c842;
  --gold-dark: #c9a418;
  --red:    #e53e3e;
  --blue:   #2b6cb0;
  --green:  #2f855a;
  --yellow: #b7791f;
  --wild-bg: linear-gradient(135deg, #e53e3e 0%, #2b6cb0 33%, #2f855a 66%, #b7791f 100%);
  --card-w: 72px;
  --card-h: 108px;
  --card-r: 10px;
  --shadow-card: 0 3px 10px rgba(0,0,0,.45);
  --shadow-deep: 0 8px 24px rgba(0,0,0,.55);
  --text: #f0f4f8;
  --text-muted: #a0aec0;
  --surface: rgba(0,0,0,.25);
  --surface-light: rgba(255,255,255,.08);
}

html, body {
  /* Lock body to match exactly what the browser shows — no more, no less.
     Combined with position:fixed on .screen, this prevents any content
     from sitting outside the visible area when browser chrome shifts. */
  height: 100%;
  max-height: -webkit-fill-available; /* iOS Safari: matches visible viewport */
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: radial-gradient(ellipse at top, var(--felt-light), var(--felt-dark) 80%);
  color: var(--text);
  overflow: hidden;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: .02em;
  transition: transform .12s, box-shadow .12s, opacity .12s;
}
button:active { transform: scale(.95); }
button:disabled { opacity: .45; cursor: not-allowed; }

input {
  font-family: inherit;
  border: none;
  outline: none;
}

/* ── Screens ─────────────────────────────────────────────────── */
.screen {
  position: fixed;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
}
.screen.active { display: flex; }

/* ── HOME SCREEN ─────────────────────────────────────────────── */
#screen-home {
  background: radial-gradient(ellipse at 50% 20%, #1e8c50, #0b2e1a 70%);
}

.home-wrap {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.logo {
  text-align: center;
  line-height: 1;
}
.logo-uno {
  font-size: clamp(72px, 18vw, 110px);
  font-weight: 900;
  color: var(--gold);
  text-shadow: 0 0 30px rgba(245,200,66,.5), 4px 4px 0 #8a5c00, -2px -2px 0 #a06a00;
  letter-spacing: -2px;
  display: block;
}
.logo-sub {
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-top: 4px;
}

.card-stack {
  display: flex;
  justify-content: center;
  margin-bottom: -10px;
}
.deco-card {
  width: 52px; height: 78px;
  border-radius: 7px;
  box-shadow: var(--shadow-card);
  margin: 0 -8px;
  transform-origin: bottom center;
}
.deco-card:nth-child(1) { background: linear-gradient(135deg,#e53e3e,#9b2c2c); transform: rotate(-15deg); }
.deco-card:nth-child(2) { background: linear-gradient(135deg,#f6c90e,#b7791f); transform: rotate(-5deg); z-index: 1; }
.deco-card:nth-child(3) { background: linear-gradient(135deg,#38a169,#276749); transform: rotate(5deg); }
.deco-card:nth-child(4) { background: linear-gradient(135deg,#4299e1,#2b6cb0); transform: rotate(15deg); }

.home-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-group {
  display: flex;
  align-items: center;
  background: var(--surface-light);
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 0 14px;
  transition: border-color .2s;
}
.input-group:focus-within { border-color: var(--gold); }
.input-group .icon { font-size: 18px; margin-right: 10px; opacity: .6; }
.input-group input {
  flex: 1;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  padding: 14px 0;
}
.input-group input::placeholder { color: rgba(255,255,255,.35); }

.divider {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.3);
  font-size: 12px;
  letter-spacing: 2px;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,.15);
}

.btn-primary {
  width: 100%;
  padding: 15px;
  border-radius: 12px;
  font-size: 16px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a1a1a;
  box-shadow: 0 4px 15px rgba(245,200,66,.35);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(245,200,66,.5);
  transform: translateY(-1px);
}

.btn-secondary {
  width: 100%;
  padding: 15px;
  border-radius: 12px;
  font-size: 16px;
  background: var(--surface-light);
  color: var(--text);
  border: 1.5px solid rgba(255,255,255,.15);
}
.btn-secondary:hover:not(:disabled) {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.3);
}

.join-row {
  display: flex;
  gap: 10px;
}
.join-row .input-group { flex: 1; }
.join-row .input-group input { text-transform: uppercase; letter-spacing: 3px; font-weight: 700; }
.btn-join-go {
  padding: 0 20px;
  border-radius: 12px;
  background: var(--surface-light);
  color: var(--text);
  border: 1.5px solid rgba(255,255,255,.15);
  font-size: 14px;
  white-space: nowrap;
}
.btn-join-go:hover:not(:disabled) { background: rgba(255,255,255,.15); }

/* ── LOBBY SCREEN ────────────────────────────────────────────── */
#screen-lobby {
  background: radial-gradient(ellipse at 50% 30%, #1a6640, #0b2e1a 70%);
}

.lobby-wrap {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.lobby-header {
  text-align: center;
}
.lobby-header h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 4px;
}
.lobby-header p {
  color: var(--text-muted);
  font-size: 14px;
}

.code-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.code-label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.code-value {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--gold);
  font-family: 'Courier New', monospace;
}
.btn-copy {
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--surface-light);
  border: 1px solid rgba(255,255,255,.15);
  color: var(--text);
  font-size: 14px;
  white-space: nowrap;
}
.btn-copy:hover { background: rgba(255,255,255,.15); }

.players-section {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 16px;
}
.players-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.players-header h3 { font-size: 14px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-muted); }
#player-count { font-size: 13px; color: var(--text-muted); }

#player-list { display: flex; flex-direction: column; gap: 8px; }

.lobby-player {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-light);
  border-radius: 10px;
  animation: slideIn .2s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}
.player-avatar-badge {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a1a1a;
  font-weight: 800;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.lobby-player-name { flex: 1; font-size: 15px; font-weight: 600; }
.host-chip {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #1a1a1a;
  background: var(--gold);
  padding: 3px 8px;
  border-radius: 20px;
}

.lobby-actions { display: flex; flex-direction: column; gap: 10px; }
#btn-start {
  width: 100%;
  padding: 16px;
  border-radius: 12px;
  font-size: 18px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a1a1a;
  box-shadow: 0 4px 15px rgba(245,200,66,.35);
}
#btn-start:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245,200,66,.5); }

#waiting-text {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  padding: 8px;
}

/* ── GAME SCREEN ─────────────────────────────────────────────── */
#screen-game {
  background: radial-gradient(ellipse at center, #1d7347, #0a2d1a);
  flex-direction: column;  /* explicit — not just inherited from .screen */
  align-items: stretch;
  justify-content: flex-start;
  padding: 0;
  overflow: hidden;
}
#screen-game.active { display: flex; }

/* Info bar */
.game-info-bar {
  flex-shrink: 0;  /* never squish — info bar is always fully visible */
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(0,0,0,.3);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex-wrap: nowrap;  /* single line always — last-action truncates via ellipsis */
  min-height: 46px;
  overflow: hidden;
}
.dir-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-light);
  border-radius: 20px;
  padding: 4px 10px;
}
#dir-arrow { font-size: 20px; transition: transform .3s; }
#dir-label { font-size: 11px; color: var(--text-muted); }

.color-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-light);
  border-radius: 20px;
  padding: 4px 10px;
}
.color-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.3);
}
.dot-red    { background: #e53e3e; }
.dot-blue   { background: #4299e1; }
.dot-green  { background: #48bb78; }
.dot-yellow { background: #ecc94b; }
.dot-wild   { background: conic-gradient(#e53e3e 0 25%, #4299e1 25% 50%, #48bb78 50% 75%, #ecc94b 75%); }

#color-label { font-size: 12px; font-weight: 600; }

#last-action {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flip-side-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}
.flip-side-badge.side-light { background: rgba(255,255,255,.15); color: #fff; }
.flip-side-badge.side-dark  { background: #2d1b69; color: #d4a8ff; border: 1px solid #7c3aed; }

/* Pending draw banner */
#pending-banner {
  background: linear-gradient(135deg, #9b2c2c, #c53030);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  padding: 8px 16px;
  animation: flash .8s infinite alternate;
}
@keyframes flash { from { opacity: 1; } to { opacity: .75; } }

/* Opponents — capped height so 5 players can't consume the whole screen */
#opponents-area {
  flex-shrink: 0;
  max-height: 40vh;  /* scrolls beyond 3-4 players; leaves room for game center */
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.opponent-slot {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 8px 12px;
  transition: border-color .3s, box-shadow .3s;
}
.opponent-slot.active-player {
  border-color: var(--gold);
  box-shadow: 0 0 12px rgba(245,200,66,.25);
}

.opp-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.opp-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a1a1a;
  font-size: 13px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.opp-info { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.opp-name { font-size: 13px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.opp-count { font-size: 11px; color: var(--text-muted); }

.uno-chip {
  font-size: 11px; font-weight: 800;
  color: #fff;
  background: #e53e3e;
  padding: 3px 8px;
  border-radius: 20px;
  animation: unoPulse .6s infinite alternate;
}
@keyframes unoPulse { from { opacity: 1; } to { opacity: .65; } }
.turn-chip {
  font-size: 11px; font-weight: 700;
  color: #1a1a1a;
  background: var(--gold);
  padding: 3px 8px;
  border-radius: 20px;
}
.extra-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 48px;
  background: var(--surface-light);
  border-radius: 5px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  vertical-align: top;
}

.opp-cards {
  display: flex;
  gap: 3px;
  flex-wrap: nowrap;
  overflow: hidden;
}

/* Center area — flex:1 fills spare space; min-height ensures piles always visible */
.game-center {
  flex: 1;
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 8px 16px;
}

.pile-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.pile-label {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.pile-slot {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-r);
  border: 2px dashed rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.deck-card {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-r);
  background: linear-gradient(135deg, #1a237e, #283593);
  border: 3px solid rgba(255,255,255,.15);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.deck-card::before {
  content: '';
  position: absolute; inset: 8px;
  border-radius: 5px;
  border: 2px solid rgba(255,255,255,.25);
}
.deck-card-label {
  font-size: 9px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.6);
  margin-bottom: 4px;
  font-weight: 700;
}
.deck-card-uno {
  font-size: 22px;
  font-weight: 900;
  color: #e53e3e;
  text-shadow: 0 0 6px rgba(229,62,62,.6), 2px 2px 0 rgba(0,0,0,.3);
  letter-spacing: -1px;
}
#deck-count {
  font-size: 11px;
  color: rgba(255,255,255,.5);
  margin-top: 4px;
}

/* Turn indicator */
.turn-indicator {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 4px;
}
.turn-indicator.my-turn {
  color: var(--gold);
  font-size: 15px;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .6; } }

/* My hand area — anchored to bottom; safe-area keeps buttons above iPhone home bar */
.my-area {
  flex-shrink: 0;
  background: rgba(0,0,0,.25);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 10px 12px max(10px, env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#my-hand {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 20px 8px 6px; /* 20px top = room for playable card lift (max 14px on hover) */
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.2) transparent;
  -webkit-overflow-scrolling: touch;
}
#my-hand::-webkit-scrollbar { height: 4px; }
#my-hand::-webkit-scrollbar-track { background: transparent; }
#my-hand::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); border-radius: 2px; }

/* ── Wrap mode (Show All) ─────────────────────────────────── */
#my-hand.wrap {
  flex-wrap: wrap;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-type: none;
  max-height: 36vh;  /* ≈3 card rows on most phones; game-center still visible */
  align-content: flex-start;
  padding: 8px 6px 4px;
  gap: 5px;
  /* Compact card size: fits 6/row on most phones */
  --card-w: 52px;
  --card-h: 78px;
  --card-r: 7px;
}
/* No lift in wrap mode — avoids layout shift; use glow + outline only */
#my-hand.wrap .card.playable {
  transform: none;
  box-shadow: 0 0 0 2.5px var(--gold), 0 0 14px rgba(245,200,66,.6), var(--shadow-card);
}
#my-hand.wrap .card.playable:hover {
  transform: scale(1.06);
  box-shadow: 0 0 0 3px var(--gold), 0 0 22px rgba(245,200,66,.9), var(--shadow-deep);
  z-index: 10;
}
#my-hand.wrap .c-sym    { font-size: 14px; }
#my-hand.wrap .c-corner { font-size: 10px; }

@media (min-width: 640px) {
  #my-hand.wrap {
    --card-w: 64px;
    --card-h: 96px;
    max-height: 36vh;
  }
}

.hand-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

#btn-draw {
  padding: 12px 24px;
  border-radius: 50px;
  background: var(--surface-light);
  border: 2px solid rgba(255,255,255,.2);
  color: var(--text);
  font-size: 14px;
  min-width: 130px;
}
#btn-draw:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.4); }

#btn-pass {
  padding: 12px 24px;
  border-radius: 50px;
  background: rgba(66,153,225,.2);
  border: 2px solid rgba(66,153,225,.4);
  color: #90cdf4;
  font-size: 14px;
  min-width: 130px;
}
#btn-pass:hover { background: rgba(66,153,225,.3); }

.btn-uno {
  padding: 12px 28px;
  border-radius: 50px;
  background: linear-gradient(135deg, #e53e3e, #9b2c2c);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  box-shadow: 0 4px 14px rgba(229,62,62,.4);
  animation: unoGlow 1.5s ease-in-out infinite;
}
.btn-uno.called {
  background: linear-gradient(135deg, #276749, #2f855a);
  box-shadow: 0 4px 14px rgba(72,187,120,.3);
  animation: none;
}
@keyframes unoGlow {
  0%,100% { box-shadow: 0 4px 14px rgba(229,62,62,.4); }
  50% { box-shadow: 0 4px 28px rgba(229,62,62,.8); }
}

.btn-toggle-cards {
  padding: 12px 18px;
  border-radius: 50px;
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.2);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
  min-width: 110px;
  transition: border-color .15s, color .15s, background .15s;
}
.btn-toggle-cards:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.35); }
.btn-toggle-cards.active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(245,200,66,.1);
}

/* ── CARDS ──────────────────────────────────────────────────── */
.card {
  flex-shrink: 0;
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-r);
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: start;
}

/* Card colors — vivid, clearly distinct */
.card-red    { background: linear-gradient(145deg, #ff7675, #d63031 45%, #922020); }
.card-blue   { background: linear-gradient(145deg, #74b9ff, #0052cc 45%, #003285); }
.card-green  { background: linear-gradient(145deg, #55efc4, #00b248 45%, #006b2e); }
.card-yellow { background: linear-gradient(145deg, #ffeaa7, #ffd32a 45%, #b8860b); }
.card-wild   { background: conic-gradient(from 180deg, #d63031 0 25%, #0052cc 25% 50%, #00b248 50% 75%, #ffd32a 75%); }

/* Yellow is too light for white text — use dark ink */
.card-yellow .c-corner,
.card-yellow .c-sym {
  color: rgba(0,0,0,.75);
  text-shadow: 0 1px 2px rgba(255,255,255,.15);
}

/* ── UNO Flip dark-side card colours ─────────────────────────── */
.card-pink   { background: linear-gradient(145deg, #ffb3cc, #e91e8c 45%, #880e4f); }
.card-teal   { background: linear-gradient(145deg, #80deea, #00838f 45%, #004d52); }
.card-orange { background: linear-gradient(145deg, #ffcc80, #ef6c00 45%, #8d3600); }
.card-purple { background: linear-gradient(145deg, #ce93d8, #8e24aa 45%, #4a0072); }
.card-dark-wild {
  background: conic-gradient(from 180deg, #e91e8c 0 25%, #00838f 25% 50%, #ef6c00 50% 75%, #8e24aa 75%);
}

/* Orange is lighter — darken text */
.card-orange .c-corner,
.card-orange .c-sym {
  color: rgba(0,0,0,.8);
  text-shadow: 0 1px 2px rgba(255,255,255,.1);
}

/* Dark side dots */
.dot-pink   { background: #e91e8c; }
.dot-teal   { background: #00838f; }
.dot-orange { background: #ef6c00; }
.dot-purple { background: #8e24aa; }
.dot-dark-wild {
  background: conic-gradient(#e91e8c 0 25%, #00838f 25% 50%, #ef6c00 50% 75%, #8e24aa 75%);
}

/* Dark-side wild colour bar tints */
.bar-pink   { background: #e91e8c; }
.bar-teal   { background: #00838f; }
.bar-orange { background: #ef6c00; }
.bar-purple { background: #8e24aa; }

/* ── Card animations ──────────────────────────────────────────── */
@keyframes cardLand {
  0%   { transform: scale(1.4) rotate(-10deg) translateY(-12px); opacity: 0.5; }
  60%  { transform: scale(1.05) rotate(2deg) translateY(0); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
@keyframes cardDeal {
  0%   { transform: translateX(-50px) scale(0.8); opacity: 0; }
  100% { transform: translateX(0) scale(1); opacity: 1; }
}
@keyframes deckBounce {
  0%   { transform: scale(1); }
  35%  { transform: scale(0.88) translateY(4px); }
  70%  { transform: scale(1.04); }
  100% { transform: scale(1); }
}
@keyframes dirFlash {
  0%   { transform: scale(1); background: var(--surface-light); }
  50%  { transform: scale(1.25); background: rgba(245,200,66,.35); box-shadow: 0 0 14px rgba(245,200,66,.7); }
  100% { transform: scale(1); background: var(--surface-light); }
}

.discard-land { animation: cardLand 0.38s cubic-bezier(.17,.67,.38,1.35) both; }
.card-deal-in { animation: cardDeal 0.28s ease both; }
.deck-bounce  { animation: deckBounce 0.35s ease; }
.dir-flash    { animation: dirFlash 0.55s ease; }

/* Card back */
.card-back {
  background: linear-gradient(145deg, #4a5568, #1a237e);
  border: 3px solid rgba(255,255,255,.1);
}
.card-back::before {
  content: 'UNO';
  position: absolute;
  font-size: 12px;
  font-weight: 900;
  color: #e53e3e;
  text-shadow: 0 0 4px rgba(229,62,62,.5), 1px 1px 0 rgba(0,0,0,.4);
  letter-spacing: -0.5px;
}
.card-back::after {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,.12);
}

/* Card inner elements */
.c-corner {
  position: absolute;
  font-size: 13px;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,.4);
  line-height: 1;
}
.c-tl { top: 6px; left: 7px; }
.c-br { bottom: 6px; right: 7px; transform: rotate(180deg); }

.c-center {
  width: 52%;
  height: 70%;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-20deg);
  border: 2px solid rgba(255,255,255,.25);
}
.c-sym {
  font-size: clamp(16px, 3vw, 22px);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,.4);
  transform: rotate(20deg);
  display: block;
}

/* Wild color bar */
.wild-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 7px;
  border-radius: 0 0 var(--card-r) var(--card-r);
}
.bar-red    { background: #e53e3e; }
.bar-blue   { background: #3182ce; }
.bar-green  { background: #38a169; }
.bar-yellow { background: #d69e2e; }

/* Small card variant */
.card-sm {
  width: 32px;
  height: 48px;
  border-radius: 5px;
}
.card-sm .c-corner, .card-sm .c-center, .card-sm .c-sym { display: none; }

/* Card states */
.card.playable {
  cursor: pointer;
  box-shadow: 0 0 16px rgba(245,200,66,.7), var(--shadow-card);
  transform: translateY(-6px);
}
.card.playable:hover {
  transform: translateY(-14px) scale(1.06);
  box-shadow: 0 0 26px rgba(245,200,66,1), var(--shadow-deep);
  z-index: 10;
}
.card.dimmed { opacity: .45; }
.card.drawn-card {
  box-shadow: 0 0 18px rgba(100,220,255,.8), var(--shadow-card);
  transform: translateY(-8px);
}

/* ── MODALS ──────────────────────────────────────────────────── */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal.visible { display: flex; }

.modal-box {
  background: linear-gradient(145deg, #1e5c3a, #0f3a26);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 28px 24px;
  width: 100%;
  max-width: 360px;
  text-align: center;
  box-shadow: var(--shadow-deep), 0 0 40px rgba(0,0,0,.4);
  animation: popIn .2s cubic-bezier(.34,1.56,.64,1);
}
@keyframes popIn {
  from { opacity: 0; transform: scale(.85); }
  to { opacity: 1; transform: scale(1); }
}

.modal-box h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--gold);
}
.modal-box h2 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 10px;
  color: var(--gold);
}
.modal-box p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 15px;
}

/* Color picker */
.hand-color-summary {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.hcs-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.hcs-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.25);
}
.hcs-count {
  font-size: 13px;
  font-weight: 800;
  color: #fff;
}

.color-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 4px;
}
.color-choice {
  height: 64px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,.4);
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
  transition: transform .15s, box-shadow .15s;
}
.color-choice:hover { transform: scale(1.05); box-shadow: 0 6px 18px rgba(0,0,0,.4); }

/* Light-side colours */
.color-choice[data-color=red]    { background: linear-gradient(135deg, #fc8181, #e53e3e); }
.color-choice[data-color=blue]   { background: linear-gradient(135deg, #63b3ed, #2b6cb0); }
.color-choice[data-color=green]  { background: linear-gradient(135deg, #68d391, #276749); }
.color-choice[data-color=yellow] { background: linear-gradient(135deg, #f6e05e, #c05621); }

/* Dark-side colours */
.color-choice[data-color=pink]   { background: linear-gradient(135deg, #f48fb1, #c2185b); }
.color-choice[data-color=teal]   { background: linear-gradient(135deg, #80deea, #00695c); }
.color-choice[data-color=orange] { background: linear-gradient(135deg, #ffcc80, #e64a19); }
.color-choice[data-color=purple] { background: linear-gradient(135deg, #ce93d8, #6a1b9a); }

/* Game over */
.go-scores {
  background: var(--surface);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
  text-align: left;
}
.go-scores-title { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; }

.btn-play-again {
  width: 100%;
  padding: 16px;
  border-radius: 12px;
  font-size: 16px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a1a1a;
  box-shadow: 0 4px 15px rgba(245,200,66,.35);
}
.btn-play-again:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245,200,66,.5); }

/* Flip mode lobby toggle */
.flip-toggle-wrap {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
.flip-toggle-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}
.flip-toggle-label input { display: none; }
.flip-toggle-pill {
  width: 44px; height: 24px;
  border-radius: 12px;
  background: rgba(255,255,255,.15);
  flex-shrink: 0;
  position: relative;
  transition: background .2s;
}
.flip-toggle-pill::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform .2s;
}
.flip-toggle-label input:checked ~ .flip-toggle-pill { background: #7c3aed; }
.flip-toggle-label input:checked ~ .flip-toggle-pill::after { transform: translateX(20px); }
.flip-toggle-text { font-size: 14px; font-weight: 700; }
.flip-toggle-hint { font-size: 11px; color: var(--text-muted); margin-top: 6px; line-height: 1.4; }

/* ── TOAST ───────────────────────────────────────────────────── */
.toast {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: #2d3748;
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s, transform .25s;
  z-index: 200;
  white-space: nowrap;
  max-width: 90vw;
  box-shadow: var(--shadow-deep);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.toast-error   { background: linear-gradient(135deg, #9b2c2c, #c53030); }
.toast.toast-info    { background: linear-gradient(135deg, #2b4c7e, #2b6cb0); }
.toast.toast-warn    { background: linear-gradient(135deg, #7b4f00, #c07c00); }
.toast.toast-success { background: linear-gradient(135deg, #1a5c2e, #276749); }

/* ── RESPONSIVE ──────────────────────────────────────────────── */

/* ─ Small phones (≤ 480px, portrait) */
@media (max-width: 480px) {
  :root {
    --card-w: 56px;
    --card-h: 84px;
  }

  /* Info bar: tighten up, hide verbose text labels */
  .game-info-bar { padding: 5px 10px; min-height: 38px; gap: 6px; }
  #dir-label, #color-label { display: none; }
  .dir-badge, .color-badge { padding: 4px 8px; }
  #last-action { font-size: 11px; }

  /* Opponents */
  #opponents-area { padding: 6px 10px; gap: 6px; }
  .opponent-slot { padding: 6px 10px; }
  .opp-header { margin-bottom: 4px; gap: 6px; }
  .opp-avatar { width: 26px; height: 26px; font-size: 11px; }
  .opp-name { font-size: 12px; }
  .card-sm { width: 22px; height: 33px; }

  /* Game center */
  .game-center { gap: 10px; padding: 4px 8px; }
  .pile-label { font-size: 10px; }
  .turn-indicator { font-size: 12px; }
  .turn-indicator.my-turn { font-size: 13px; }

  /* Card internals */
  .c-sym { font-size: 15px; }
  .c-corner { font-size: 10px; }
  .c-tl { top: 4px; left: 5px; }
  .c-br { bottom: 4px; right: 5px; }

  /* My hand & actions */
  .my-area { padding: 0 10px max(8px, env(safe-area-inset-bottom, 0px)); gap: 6px; }
  #my-hand { gap: 4px; padding: 18px 6px 4px; }
  .hand-actions { gap: 6px; flex-wrap: nowrap; }
  #btn-draw, #btn-pass {
    flex: 1;
    padding: 11px 8px;
    font-size: 13px;
    min-width: 0;
    border-radius: 40px;
  }
  .btn-uno { padding: 11px 16px; font-size: 13px; }
  .btn-toggle-cards {
    padding: 11px 10px;
    font-size: 11px;
    min-width: 0;
    flex-shrink: 0;
    border-radius: 40px;
  }
}

/* ─ Very small phones (≤ 360px) */
@media (max-width: 360px) {
  :root { --card-w: 48px; --card-h: 72px; }
  .c-sym { font-size: 13px; }
}

/* ─ Landscape phones (short screens) */
@media (max-height: 480px) and (orientation: landscape) {
  :root { --card-w: 52px; --card-h: 78px; }
  .game-info-bar { padding: 4px 10px; min-height: 32px; }
  #dir-label, #color-label { display: none; }
  .game-center { padding: 2px 8px; gap: 10px; min-height: 90px; }
  .pile-label { display: none; }
  .my-area { padding: 0 10px 6px; gap: 4px; }
  #my-hand { padding: 16px 6px 2px; }
  #opponents-area { padding: 4px 10px; max-height: 35vh; }
}

/* ─ Tablets and up */
@media (min-width: 768px) {
  :root { --card-w: 80px; --card-h: 120px; }
  .c-sym { font-size: 26px; }
  .c-corner { font-size: 14px; }
  .my-area { padding: 14px 24px; }
  #my-hand { gap: 8px; padding: 20px 8px 6px; }
  .game-center { gap: 32px; }
  #opponents-area { flex-direction: row; flex-wrap: wrap; gap: 10px; padding: 12px 16px; }
  .opponent-slot { flex: 1; min-width: 200px; }
  .hand-actions { gap: 16px; }
}

@media (min-width: 1024px) {
  .home-wrap { max-width: 440px; }
  .lobby-wrap { max-width: 560px; }
  #my-hand { justify-content: center; }
}