/* =========================================================
   Blackjack — Casino-style dark felt theme
   ========================================================= */

:root {
  --felt: #0a3a1a;
  --felt-light: #0d4a24;
  --felt-dark: #041f10;
  --gold: #ffd700;
  --gold-dim: #b8960f;
  --accent: #00e5ff;
  --accent-dim: #007a8a;
  --win-green: #00ff88;
  --lose-red: #ff4444;
  --white: #f0f0f0;
  --text-dim: #8899bb;
  --card-bg: #ffffff;
  --card-shadow: rgba(0, 0, 0, 0.4);
  --radius: 8px;
  --transition: 0.2s ease;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
}

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

html {
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0, 255, 100, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 215, 0, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at center, var(--felt-light) 0%, var(--felt) 50%, var(--felt-dark) 100%);
  background-color: var(--felt-dark);
}

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0, 255, 100, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(255, 215, 0, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at center, var(--felt-light) 0%, var(--felt) 50%, var(--felt-dark) 100%);
  color: var(--white);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  user-select: none;
}

#app {
  width: 100%;
  max-width: 960px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 8px;
  gap: 6px;
  position: relative;
}

/* ---- Title bar ---- */
.title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.12), rgba(0, 229, 255, 0.06));
  border-radius: var(--radius);
  border: 1px solid rgba(255, 215, 0, 0.15);
  flex-shrink: 0;
}

.title-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.game-title {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--gold), #fff8dc, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.game-subtitle {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.8;
}

/* ---- Buttons ---- */
.toggle-btn {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 5px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: var(--transition);
}

.toggle-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

.toggle-btn.active {
  background: rgba(0, 229, 255, 0.2);
  color: var(--accent);
  border-color: var(--accent);
}

/* ---- Trainer bar ---- */
.trainer-bar {
  display: flex;
  gap: 20px;
  justify-content: center;
  padding: 4px 8px;
  background: rgba(0, 229, 255, 0.08);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ---- Strategy chart ---- */
.chart-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  padding: 4px 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
  transition: color var(--transition);
  flex-shrink: 0;
  position: relative;
  z-index: 51;
}

.chart-toggle:hover { color: var(--white); }

.chart-toggle .arrow {
  font-size: 8px;
  transition: transform 0.2s ease;
}

.chart-toggle.open .arrow {
  transform: rotate(180deg);
}

.chart-container {
  position: fixed;
  inset: 0;
  z-index: 100;
  overflow-y: auto;
  background: var(--felt-dark);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 0 8px env(safe-area-inset-bottom) 8px;
}

.chart-container.open {
  opacity: 1;
  pointer-events: auto;
}

.chart-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  padding-top: max(12px, env(safe-area-inset-top));
  max-width: 960px;
  margin: 0 auto;
}

.chart-close {
  align-self: flex-end;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 4px;
  transition: background 0.15s ease;
}

.chart-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

.chart-section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 6px;
  border: 1px solid var(--border);
}

.chart-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--accent);
  text-align: center;
  margin-bottom: 4px;
}

.chart-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10px;
  font-weight: 700;
  text-align: center;
}

.chart-table th {
  color: var(--text-dim);
  font-size: 9px;
  padding: 2px 4px;
  font-weight: 700;
}

.chart-table td {
  padding: 3px 4px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  font-size: 10px;
}

.chart-row-label {
  color: var(--white) !important;
  background: none !important;
  font-weight: 800;
  text-align: left !important;
  padding-right: 6px !important;
}

.ch-hit { background: rgba(255, 68, 68, 0.25); color: #ff8888; }
.ch-stand { background: rgba(0, 255, 136, 0.2); color: #66ffaa; }
.ch-double { background: rgba(255, 215, 0, 0.25); color: #ffdd66; }
.ch-split { background: rgba(0, 229, 255, 0.25); color: #66eeff; }
.ch-surrender { background: rgba(180, 100, 255, 0.25); color: #cc99ff; }

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 12px;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 0;
}

.chart-legend span {
  padding: 2px 6px;
  border-radius: 3px;
}

/* ---- Table area ---- */
.table-area {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: start;
  gap: 8px;
  min-height: 0;
  padding: 8px 0;
}

.dealer-area, .player-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.area-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.divider {
  width: 60%;
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: 10px 0;
  flex-shrink: 0;
}

/* ---- Cards ---- */
.hand-cards {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 4px;
  flex-wrap: nowrap;
  min-height: 140px;
}

.hand-cards:has(.card:nth-child(3)) {
  gap: 0;
}

.hand-cards:has(.card:nth-child(3)) .card + .card {
  margin-left: -30px;
}

.player-hand.split .hand-cards:has(.card:nth-child(3)) .card + .card {
  margin-left: -38px;
}

.card {
  width: 96px;
  height: 134px;
  border-radius: 8px;
  background: var(--card-bg);
  box-shadow: 0 4px 14px var(--card-shadow);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  flex-shrink: 0;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card-face {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: white;
  border-radius: 4px;
  font-family: "Inter", sans-serif;
}

.card-rank-tl {
  position: absolute;
  top: 6px;
  left: 7px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
}

.card-rank-br {
  position: absolute;
  bottom: 6px;
  right: 7px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  transform: rotate(180deg);
}

.card-suit-center {
  font-size: 38px;
}

.card-back {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a3a7a, #0a2040);
  border: 2px solid #2a5aaa;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.card-back::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  background-image: repeating-linear-gradient(
    45deg, transparent, transparent 3px,
    rgba(255, 255, 255, 0.02) 3px, rgba(255, 255, 255, 0.02) 6px
  );
}

.card.face-down {
  background: linear-gradient(135deg, #1a3a6a, #0d2a5a);
  border: 1px solid #2a4a8a;
}

/* Card animations */
.card-enter {
  opacity: 0;
  transform: translateY(-20px) scale(0.9);
}

.card-dealt {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity 0.15s ease, transform 0.2s ease;
}

.card-flip {
  transition: transform 0.2s ease;
  transform: scaleX(0);
}

/* ---- Hand values ---- */
.hand-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  text-align: center;
  min-height: 1.2em;
}

.hand-value.bust { color: var(--lose-red); }
.hand-value.blackjack { color: var(--gold); }
.hand-value.surrender { color: var(--text-dim); }

/* ---- Player hands (split layout) ---- */
.player-hands {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  width: 100%;
}

.player-hand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  border-radius: var(--radius);
  position: relative;
  border: 2px solid transparent;
  padding: 6px;
}

.player-hand.active.split {
  border-color: rgba(255, 255, 255, 0.2);
}

.hand-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hand-bet-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--gold-dim);
}

.hand-result-badge {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-top: 4px;
  text-transform: uppercase;
}

.hand-result-badge.win {
  color: var(--win-green);
  background: rgba(0, 255, 136, 0.12);
}

.hand-result-badge.push {
  color: var(--gold);
  background: rgba(255, 215, 0, 0.12);
}

.hand-result-badge.lose {
  color: var(--lose-red);
  background: rgba(255, 68, 68, 0.12);
}

.player-hand.result-win {
  border-color: var(--win-green);
}

.player-hand.result-push {
  border-color: var(--gold-dim);
}

.player-hand.result-lose {
  border-color: rgba(255, 68, 68, 0.3);
}

/* ---- Trainer feedback ---- */
.trainer-feedback {
  position: fixed;
  bottom: 150px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 13px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 10;
}

.trainer-feedback.visible { opacity: 1; }

.trainer-correct {
  color: var(--win-green);
  font-weight: 700;
}

.trainer-wrong {
  color: var(--lose-red);
  font-weight: 700;
}

.trainer-optimal {
  color: var(--accent);
  font-size: 12px;
  margin-left: 8px;
  font-weight: 700;
}

/* ---- Message area ---- */
.message-area {
  position: fixed;
  bottom: 140px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 10;
}

.message-area.visible { opacity: 1; }

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  opacity: 0.7;
  padding: 40px 0;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state kbd {
  display: inline-block;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  font-family: inherit;
  font-weight: 700;
  color: var(--white);
  margin: 0 2px;
}

/* ---- Action bar ---- */
.action-bar {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 6px 0;
  flex-shrink: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  visibility: hidden;
}

.action-bar.visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.action-btn {
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-transform: uppercase;
}

.action-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.hit-btn {
  background: linear-gradient(180deg, #44cc44, #33aa33);
  color: white;
}

.hit-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #55dd55, #44bb44);
}

.stand-btn {
  background: linear-gradient(180deg, #dd4444, #bb3333);
  color: white;
}

.stand-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #ee5555, #cc4444);
}

.double-btn {
  background: linear-gradient(180deg, #ffcc00, #e6a800);
  color: #1a1a2e;
}

.double-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #ffdd33, #ffcc00);
}

.split-btn {
  background: linear-gradient(180deg, #4488ff, #2266dd);
  color: white;
}

.split-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #5599ff, #3377ee);
}

.surrender-btn {
  background: linear-gradient(180deg, #8866cc, #6644aa);
  color: white;
}

.surrender-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #9977dd, #7755bb);
}

/* ---- Deal button ---- */
.deal-btn {
  background: linear-gradient(180deg, #ffcc00, #e6a800);
  color: #1a1a2e;
  font-size: 18px;
  padding: 14px 28px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.25);
  border-radius: 8px;
  min-width: 132px;
}

.deal-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #ffdd33, #ffcc00);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}

.deal-btn:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
}

.deal-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ---- Insurance prompt ---- */
.insurance-prompt {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(2, 8, 20, 0.75);
  z-index: 1000;
}

.insurance-prompt.open { display: flex; }

.insurance-card {
  width: min(340px, calc(100vw - 24px));
  background: rgba(5, 15, 35, 0.95);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}

.insurance-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.insurance-hint {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}

.insurance-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.insurance-btn {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  letter-spacing: 1px;
}

.insurance-no {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.insurance-yes {
  background: #ffcc00;
  color: #1a1a2e;
  border-color: #ffcc00;
}

/* ---- Controls bar ---- */
.controls-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 10px 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.45));
  border-radius: var(--radius);
  border: 1px solid var(--border);
  backdrop-filter: blur(4px);
}

.control-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 0 16px;
  min-height: 40px;
  min-width: 124px;
}

.control-group + .control-group {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.control-group label,
.control-group .control-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-dim);
  text-transform: uppercase;
}

.control-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  min-width: 50px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.bet-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stepper-btn {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 26px;
  height: 26px;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.stepper-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.2);
}

.stepper-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.bet-group .control-value {
  font-size: 16px;
  min-width: 60px;
}

.denom-group { gap: 4px; }

.denom-toggle {
  border: 1px solid #ffcc00;
  background: linear-gradient(180deg, #ffdd55, #ffbf00);
  color: #1a1a2e;
  border-radius: 999px;
  padding: 5px 8px;
  width: 44px;
  min-height: 24px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
}

.denom-toggle:hover { filter: brightness(1.04); }
.denom-toggle:active { transform: translateY(1px); filter: brightness(0.96); }

.denom-toggle:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.balance-tap {
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  text-align: center;
  appearance: none;
  touch-action: manipulation;
}

.balance-tap:active { opacity: 0.85; }

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

.win-display.win-flash {
  animation: winFlash 1.5s ease-out;
}

@keyframes winFlash {
  0% { color: #ffffff; transform: scale(1.3); }
  50% { color: var(--gold); }
  100% { color: var(--gold); transform: scale(1); }
}

.controls-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---- Reset prompt ---- */
.reset-prompt {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(2, 8, 20, 0.75);
  z-index: 1000;
}

.reset-prompt.open { display: flex; }

.reset-prompt-card {
  width: min(360px, calc(100vw - 24px));
  background: rgba(5, 15, 35, 0.95);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.reset-prompt-text {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--white);
}

.reset-prompt-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

.reset-prompt-btn {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.reset-prompt-no {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.reset-prompt-yes {
  background: #ffcc00;
  color: #1a1a2e;
  border-color: #ffcc00;
}

/* ---- Desktop ---- */
@media (min-width: 769px) {
  #app {
    max-width: 800px;
    overflow-y: auto;
    padding-bottom: 10px;
  }

  .title-bar { padding: 10px 16px; }
  .game-title { font-size: 28px; }
  .game-subtitle { font-size: 12px; }
  .trainer-bar { font-size: 13px; }
  .toggle-btn { font-size: 12px; }

  .card {
    width: 110px;
    height: 154px;
  }

  .card-rank-tl { font-size: 22px; top: 8px; left: 9px; }
  .card-rank-br { font-size: 22px; bottom: 8px; right: 9px; }
  .card-suit-center { font-size: 46px; }

  .hand-cards { gap: 10px; min-height: 160px; }
  .hand-cards:has(.card:nth-child(3)) { gap: 0; }
  .hand-cards:has(.card:nth-child(3)) .card + .card { margin-left: -34px; }
  .player-hand.split .hand-cards:has(.card:nth-child(3)) .card + .card { margin-left: -42px; }
  .hand-value { font-size: 16px; }
  .hand-result-badge { font-size: 14px; }

  .action-btn { padding: 12px 20px; font-size: 14px; }

  .table-area { gap: 8px; padding: 16px 0; }
  .area-label { font-size: 12px; }

  .message-area { font-size: 16px; }
  .trainer-feedback { font-size: 14px; }

  .chart-table td { font-size: 11px; padding: 4px 6px; }
  .chart-table th { font-size: 10px; }

  .controls-bar {
    position: sticky;
    bottom: 0;
    z-index: 40;
    width: fit-content;
    max-width: fit-content;
    margin-top: auto;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 -6px 18px rgba(0, 0, 0, 0.25);
  }

  .control-value { font-size: 22px; }
  .bet-group .control-value { font-size: 18px; }
  .denom-toggle { font-size: 12px; }
  .deal-btn { font-size: 20px; }
}

/* ---- Mobile ---- */
@media (max-width: 768px) {
  #app {
    padding: 0 8px;
    gap: 3px;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
  }

  .title-bar {
    padding: 5px 8px;
    padding-top: max(5px, env(safe-area-inset-top));
    margin: 0 -8px;
    border-radius: 0;
    border: none;
  }
  .game-title { font-size: 16px; letter-spacing: 1px; }
  .game-subtitle { display: none; }
  .toggle-btn { padding: 6px 10px; font-size: 10px; min-height: 32px; }

  .trainer-bar { font-size: 10px; gap: 10px; padding: 3px 6px; }
  .chart-toggle { font-size: 10px; padding: 2px 0; }
  .chart-container.open { overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .chart-table td { font-size: 9px; padding: 2px 3px; }
  .chart-table th { font-size: 8px; padding: 2px 3px; }
  .chart-label { font-size: 9px; }
  .chart-legend { font-size: 9px; gap: 6px; }

  .table-area {
    flex: 1 1 0;
    min-height: 0;
    padding: 24px 0 0;
    gap: 4px;
  }

  .area-label { font-size: 9px; letter-spacing: 2px; }

  .card {
    width: 68px;
    height: 95px;
    border-radius: 6px;
  }

  .card-rank-tl { font-size: 14px; top: 3px; left: 4px; }
  .card-rank-br { font-size: 14px; bottom: 3px; right: 4px; }
  .card-suit-center { font-size: 28px; }

  .hand-cards { gap: 5px; min-height: 100px; }
  .hand-cards:has(.card:nth-child(3)) { gap: 0; }
  .hand-cards:has(.card:nth-child(3)) .card + .card { margin-left: -26px; }
  .player-hand.split .hand-cards:has(.card:nth-child(3)) .card + .card { margin-left: -40px; }
  .hand-value { font-size: 12px; }
  .hand-result-badge { font-size: 10px; padding: 2px 8px; }

  .player-hands { gap: 8px; }

  .divider { margin: 10px 0; }

  .action-bar {
    gap: 4px;
    padding: 4px 0;
  }

  .action-btn {
    padding: 8px 10px;
    font-size: 11px;
    letter-spacing: 0.5px;
  }

  .surrender-btn {
    font-size: 10px;
    padding: 8px 8px;
    letter-spacing: 0;
  }

  .trainer-feedback { font-size: 11px; bottom: 100px; }
  .message-area { font-size: 12px; bottom: 116px; }
  .empty-state { padding: 20px 0; font-size: 12px; }

  .controls-bar {
    flex-shrink: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: auto auto;
    gap: 4px;
    padding: 6px 8px;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
    margin: 0 -8px;
    align-items: center;
    border-radius: 0;
    border: none;
  }

  .control-group { min-width: 0; padding: 0; }
  .balance-tap { width: 100%; }
  .control-group + .control-group { border-left: none; }
  .control-group label,
  .control-group .control-label { font-size: 7px; letter-spacing: 1px; }
  .control-value { font-size: clamp(13px, 3.5vw, 16px); min-width: auto; }
  .bet-group .control-value { font-size: clamp(12px, 3vw, 14px); min-width: 40px; }
  .denom-toggle { min-width: 0; padding: 5px 4px; font-size: 11px; min-height: 28px; }
  .stepper-btn { width: 22px; height: 22px; font-size: 14px; }

  .denom-group label { display: none; }

  .controls-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 6px;
    padding: 0;
    border-left: none;
    justify-content: stretch;
  }

  .deal-btn {
    flex: 1;
    padding: 10px 14px;
    font-size: 14px;
    min-height: 40px;
    border-radius: 6px;
    min-width: 0;
  }

  .deal-btn.hand-active {
    display: none;
  }

  button { touch-action: manipulation; }
}