:root {
  --bg-page: #000000;
  --board-frame: #1a0f08;
  --board-felt: #0d1f24;
  --point-light-1: #d4a368;
  --point-light-2: #7a5530;
  --point-dark-1: #2a4f5c;
  --point-dark-2: #0e2730;
  --bar-bg: #1a0f08;
  --bar-edge: #3a2a18;
  --gold: #c9a25a;
  --text-primary: #ffffff;
  --text-secondary: #b8b8c0;
  --text-muted: #7a7a82;
  --checker-white-1: #f8f6ee;
  --checker-white-2: #cfc8b8;
  --checker-white-ring: #8a7f6a;
  --checker-black-1: #4a4a52;
  --checker-black-2: #14141a;
  --checker-black-ring: #6a6a72;
  --focus-ring: #00d4ff;
  --focus-glow: rgba(0, 212, 255, 0.55);
  --select-ring: #ffb84a;
  --select-glow: rgba(255, 184, 74, 0.6);
  --dest-ring: #34e89e;
  --dest-glow: rgba(52, 232, 158, 0.55);
  --danger: #ff4d6a;
}

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

html, body {
  width: 600px;
  height: 600px;
  overflow: hidden;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
}

#app { width: 100%; height: 100%; position: relative; }

.screen {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}
.screen.hidden { display: none; }
.hidden { display: none !important; }

.focusable {
  outline: none;
  border: 2px solid transparent;
  cursor: pointer;
  background: transparent;
  color: inherit;
  font-family: inherit;
  transition: transform 0.18s cubic-bezier(0.6, 0, 0.4, 1),
              box-shadow 0.18s ease,
              border-color 0.18s ease,
              opacity 0.18s ease;
}

/* =================== HOME =================== */
.home-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 32px;
}
.home-emblem {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  height: 120px;
}
.emblem-tri {
  width: 36px;
  height: 120px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}
.emblem-tri-light {
  background: linear-gradient(180deg, var(--point-light-1) 0%, var(--point-light-2) 100%);
}
.emblem-tri-dark {
  background: linear-gradient(180deg, var(--point-dark-1) 0%, var(--point-dark-2) 100%);
}
.home-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--gold);
  text-shadow: 0 0 18px rgba(201, 162, 90, 0.4);
}
.home-sub {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.primary-btn {
  padding: 18px 56px;
  font-size: 20px;
  font-weight: 600;
  background: var(--gold);
  color: #1a0f08;
  border-radius: 12px;
  min-width: 220px;
  letter-spacing: 0.5px;
}
.primary-btn:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 28px var(--focus-glow);
  transform: scale(1.03);
}
.secondary-btn {
  padding: 14px 42px;
  font-size: 16px;
  font-weight: 500;
  background: transparent;
  color: var(--text-primary);
  border-radius: 12px;
  border: 2px solid var(--text-muted);
  min-width: 220px;
}
.secondary-btn:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 24px var(--focus-glow);
}

/* =================== GAME HEADER =================== */
.game-header {
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: linear-gradient(180deg, #14110d 0%, #0a0805 100%);
  border-bottom: 1px solid #2a2218;
  flex-shrink: 0;
  gap: 12px;
}
.hdr-player {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 56px;
}
.hdr-chip {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-block;
}
.hdr-chip.white {
  background: radial-gradient(circle at 30% 30%, var(--checker-white-1) 0%, var(--checker-white-2) 80%);
  box-shadow: inset 0 0 0 1px var(--checker-white-ring);
}
.hdr-chip.black {
  background: radial-gradient(circle at 30% 30%, var(--checker-black-1) 0%, var(--checker-black-2) 80%);
  box-shadow: inset 0 0 0 1px var(--checker-black-ring);
}
.hdr-count {
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}
.hdr-black { justify-content: flex-end; }
.hdr-status {
  flex: 1;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* =================== BOARD =================== */
.board {
  flex-shrink: 0;
  width: 600px;
  height: 412px;
  position: relative;
  background:
    linear-gradient(180deg, #0a1418 0%, #0d1f24 50%, #0a1418 100%);
  border-top: 2px solid var(--board-frame);
  border-bottom: 2px solid var(--board-frame);
}
.row {
  display: flex;
  width: 100%;
  height: 180px;
  position: relative;
  z-index: 1;
}
.row-top { padding-top: 4px; }
.row-bot { padding-bottom: 4px; }
.half {
  display: flex;
  width: 276px;
  height: 100%;
}
.half-left { padding-left: 6px; }
.half-right { padding-right: 6px; }
.bar-col {
  width: 48px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  padding: 6px 0;
  position: relative;
}
.bar-col-top { justify-content: flex-start; }
.bar-col-bot { justify-content: flex-end; }

/* =================== MIDBAR =================== */
.midbar {
  width: 100%;
  height: 48px;
  background: linear-gradient(180deg, #0a0805 0%, var(--bar-bg) 50%, #0a0805 100%);
  border-top: 1px solid var(--bar-edge);
  border-bottom: 1px solid var(--bar-edge);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 0;
}
.midbar::before, .midbar::after {
  content: '';
  position: absolute;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.4;
}
.midbar::before { left: 20px; right: 320px; }
.midbar::after { left: 320px; right: 20px; }
.midbar-label {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gold);
  opacity: 0.55;
  text-transform: uppercase;
  font-weight: 600;
}

/* =================== POINTS =================== */
.point {
  width: 45px;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  outline: none;
}
.point .tri {
  position: absolute;
  left: 2px;
  right: 2px;
  top: 0;
  bottom: 0;
  z-index: 0;
}
.point.top .tri {
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.point.bot .tri {
  clip-path: polygon(50% 0, 0 100%, 100% 100%);
}
.point.light .tri {
  background: linear-gradient(180deg, var(--point-light-1) 0%, var(--point-light-2) 100%);
}
.point.dark .tri {
  background: linear-gradient(180deg, var(--point-dark-1) 0%, var(--point-dark-2) 100%);
}
.point.bot.light .tri {
  background: linear-gradient(0deg, var(--point-light-1) 0%, var(--point-light-2) 100%);
}
.point.bot.dark .tri {
  background: linear-gradient(0deg, var(--point-dark-1) 0%, var(--point-dark-2) 100%);
}
.point.focusable:focus .tri {
  filter: brightness(1.15) saturate(1.1);
}
.point.focusable:focus::after {
  content: '';
  position: absolute;
  inset: -3px 0;
  border: 2px solid var(--focus-ring);
  border-radius: 8px;
  box-shadow: 0 0 18px var(--focus-glow);
  pointer-events: none;
  z-index: 4;
}
.point.selected::after {
  content: '';
  position: absolute;
  inset: -3px 0;
  border: 2px solid var(--select-ring);
  border-radius: 8px;
  box-shadow: 0 0 22px var(--select-glow);
  pointer-events: none;
  z-index: 4;
}
.point.dest::before {
  content: '';
  position: absolute;
  inset: -3px 0;
  border: 2px dashed var(--dest-ring);
  border-radius: 8px;
  box-shadow: 0 0 18px var(--dest-glow);
  pointer-events: none;
  z-index: 3;
  animation: dest-pulse 1.2s ease-in-out infinite;
}
@keyframes dest-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.checker-stack {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}
.point.top .checker-stack { top: 4px; }
.point.bot .checker-stack { bottom: 4px; flex-direction: column-reverse; }

.checker {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: -4px;
  position: relative;
}
.point.top .checker:first-child,
.point.bot .checker:first-child { margin-top: 0; }
.checker.w {
  background: radial-gradient(circle at 32% 28%, #ffffff 0%, var(--checker-white-1) 35%, var(--checker-white-2) 90%);
  box-shadow: inset 0 0 0 1.5px var(--checker-white-ring),
              inset 0 -3px 4px rgba(80, 60, 30, 0.25),
              0 1px 2px rgba(0,0,0,0.4);
}
.checker.b {
  background: radial-gradient(circle at 32% 28%, #6a6a72 0%, var(--checker-black-1) 35%, var(--checker-black-2) 90%);
  box-shadow: inset 0 0 0 1.5px var(--checker-black-ring),
              inset 0 -3px 4px rgba(0,0,0,0.5),
              0 1px 2px rgba(0,0,0,0.4);
}
.checker-count {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: rgba(0,0,0,0.7);
  border-radius: 10px;
  padding: 1px 6px;
  font-variant-numeric: tabular-nums;
}
.checker.b .checker-count { color: #fff; }
.checker.w .checker-count { color: #1a1410; background: rgba(255,255,255,0.85); }

/* =================== BAR CHECKERS =================== */
.bar-checker {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  position: relative;
  background: transparent;
  border: 2px solid transparent;
  padding: 0;
  flex-shrink: 0;
  cursor: pointer;
}
.bar-checker[data-side="w"]::before {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #ffffff 0%, var(--checker-white-1) 35%, var(--checker-white-2) 90%);
  box-shadow: inset 0 0 0 1.5px var(--checker-white-ring);
}
.bar-checker[data-side="b"]::before {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #6a6a72 0%, var(--checker-black-1) 35%, var(--checker-black-2) 90%);
  box-shadow: inset 0 0 0 1.5px var(--checker-black-ring);
}
.bar-checker .bar-count {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: 700;
  background: rgba(0,0,0,0.75);
  color: #fff;
  border-radius: 10px;
  padding: 1px 5px;
  z-index: 2;
}
.bar-checker[data-side="w"] .bar-count {
  color: #1a1410;
  background: rgba(255,255,255,0.9);
}
.bar-checker:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 18px var(--focus-glow);
}
.bar-checker.selected {
  border-color: var(--select-ring);
  box-shadow: 0 0 22px var(--select-glow);
}

/* =================== BEAR-OFF TRAYS (in midbar) =================== */
.off-tray {
  display: none; /* counts shown in header instead */
}
.off-bar { display: none; }

/* =================== ACTION PANEL =================== */
.action-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #0a0805 0%, #14110d 100%);
  padding: 10px 16px 12px;
  gap: 8px;
  min-height: 0;
}
.dice-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 0;
}
.dice-placeholder {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.die {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #ffffff 0%, #e0ddd2 100%);
  border-radius: 9px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  padding: 7px;
  gap: 0;
  box-shadow: inset 0 -2px 4px rgba(0,0,0,0.15),
              0 2px 6px rgba(0,0,0,0.5),
              0 0 12px rgba(255, 255, 230, 0.2);
  position: relative;
}
.die .pip {
  width: 8px;
  height: 8px;
  background: #1a1410;
  border-radius: 50%;
  align-self: center;
  justify-self: center;
  box-shadow: inset 0 1px 1px rgba(0,0,0,0.4);
}
.die .pip.empty {
  background: transparent;
  box-shadow: none;
}
.die.used {
  opacity: 0.3;
  filter: grayscale(0.5);
}
.die.doubles-extra {
  width: 34px;
  height: 34px;
  padding: 4px;
}
.die.doubles-extra .pip {
  width: 5px;
  height: 5px;
}

.action-buttons {
  display: flex;
  gap: 8px;
  height: 44px;
  flex-shrink: 0;
}
.action-btn {
  flex: 1;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 600;
  background: #1f1810;
  color: var(--text-primary);
  border-radius: 8px;
  letter-spacing: 0.3px;
  height: 44px;
}
.action-btn:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 18px var(--focus-glow);
  background: #2a2018;
}
.action-btn.primary {
  background: var(--gold);
  color: #1a0f08;
}
.action-btn.primary:focus {
  background: #d8b46c;
}
.action-btn.dest {
  border-color: var(--dest-ring);
  box-shadow: 0 0 18px var(--dest-glow);
  background: #1a2820;
}

/* =================== GAME OVER =================== */
.winner-emblem {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  font-size: 48px;
}
.winner-emblem.w {
  background: radial-gradient(circle at 32% 28%, #ffffff, var(--checker-white-2) 80%);
  box-shadow: 0 0 32px rgba(255,240,200,0.3);
  color: #1a0f08;
}
.winner-emblem.b {
  background: radial-gradient(circle at 32% 28%, var(--checker-black-1), var(--checker-black-2) 80%);
  box-shadow: 0 0 32px rgba(80,80,80,0.4);
  color: #fff;
}

/* =================== TOAST =================== */
.toast {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(20, 17, 13, 0.95);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px;
  border: 1px solid var(--gold);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 100;
  white-space: nowrap;
  box-shadow: 0 0 18px rgba(201, 162, 90, 0.3);
}
.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}