/* ============================================ */
/* FORCE DARK THEME FOR BACKGAMMON PAGE */
/* ============================================ */

html {
  background-color: #0d1016 !important;
  visibility: visible !important;
  opacity: 1 !important;
}

body {
  background-color: #0d1016 !important;
  color: #e8edf7 !important;
  padding-top: 80px !important;
}

main,
.main-container,
#main-content {
  background-color: #0d1016 !important;
  margin-top: 0 !important;
  padding-top: 0 !important;
}

/* ============================================ */
/* HEADER STYLES */
/* ============================================ */

.site-header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(13, 16, 22, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(93, 240, 199, 0.1);
}

.site-header-wrapper nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #5df0c7;
  font-weight: 600;
  font-size: 18px;
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.site-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #5df0c7 0%, #38cfa4 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0d1016;
  font-weight: bold;
  font-size: 20px;
}

.site-nav-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.site-nav-btn {
  padding: 8px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  transition: all 0.2s;
  border: 1px solid rgba(93, 240, 199, 0.3);
  cursor: pointer;
  background: transparent;
  display: inline-block;
  color: #5df0c7;
}

.site-nav-btn--primary {
  background: linear-gradient(135deg, #5df0c7, #38cfa4);
  color: #0d1016;
  border-color: transparent;
}

.site-nav-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(93, 240, 199, 0.3);
  box-shadow: 0 4px 12px rgba(93, 240, 199, 0.3);
}

.site-nav-btn--ghost {
  color: #5df0c7;
  border: 1px solid rgba(93, 240, 199, 0.3);
  background: transparent;
}

.site-nav-btn--ghost:hover {
  background: rgba(93, 240, 199, 0.1);
  border-color: #5df0c7;
}

@media (max-width: 640px) {
  .site-header-wrapper nav {
    padding: 10px 16px;
  }
  
  .site-logo {
    font-size: 16px;
  }
  
  .site-logo-icon {
    width: 28px;
    height: 28px;
    font-size: 18px;
  }
  
  .site-nav-links {
    gap: 8px;
  }
  
  .site-nav-btn {
    padding: 6px 12px;
    font-size: 13px;
  }
  
  body {
    padding-top: 68px !important;
  }
}

/* ============================================ */
/* Chess-like Shell Styles for Backgammon */
/* ============================================ */
.chess-shell,
.backgammon-shell {
  display: flex;
  gap: 24px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  background: #0d1016;
  color: #e8edf7;
  overflow: visible;
}

.board-column {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.board-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #151a23;
  border: 1px solid #1f2633;
  border-radius: 14px;
  padding: 24px;
  min-height: 400px;
}

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #151a23;
  border: 1px solid #1f2633;
  border-radius: 14px;
  gap: 12px;
}

.timer {
  flex: 1;
  text-align: center;
  font-size: 14px;
  color: #9aa5b8;
}

.turn {
  flex: 2;
  text-align: center;
  font-size: 14px;
  color: #5df0c7;
  font-weight: 600;
}

.side-panel {
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: #151a23;
  border: 1px solid #1f2633;
  border-radius: 14px;
  overflow: visible;
  z-index: 100;
}

.control-row {
  display: flex;
  gap: 8px;
}

.button {
  padding: 10px 16px;
  background: linear-gradient(135deg, #5df0c7, #38cfa4);
  color: #0d1016;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  flex: 1;
  font-size: 14px;
  /* Touch-friendly sizing */
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(93, 240, 199, 0.3);
}

.button--ghost {
  background: transparent;
  color: #5df0c7;
  border: 1px solid #1f2633;
}

.button--ghost:hover {
  background: rgba(93, 240, 199, 0.1);
  border-color: #5df0c7;
}

.button--icon {
  padding: 8px 12px;
  font-size: 20px;
}

.button--xs {
  padding: 6px 12px;
  font-size: 12px;
}

.button--sm {
  padding: 8px 12px;
  font-size: 13px;
  flex: 0 0 auto;
}

.select,
.input {
  padding: 8px 10px;
  background: #0f131b;
  color: #e8edf7;
  border: 1px solid #1f2633;
  border-radius: 8px;
  font-size: 13px;
  font-family: inherit;
  flex: 1;
}

.select:focus,
.input:focus {
  outline: none;
  border-color: #5df0c7;
  box-shadow: 0 0 0 2px rgba(93, 240, 199, 0.1);
}

.select--sm {
  flex: 0 0 auto;
  min-width: 100px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.field__label {
  font-size: 11px;
  color: #9aa5b8;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  line-height: 1.2;
}

.field--inline {
  gap: 4px;
}

.input-row {
  display: flex;
  gap: 8px;
}

.dropdown {
  position: relative;
  z-index: 110;
}

.dropdown__trigger {
  padding: 10px 16px;
  background: #0f131b;
  color: #5df0c7;
  border: 1px solid #1f2633;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  transition: all 0.2s;
}

.dropdown__trigger:hover {
  background: rgba(93, 240, 199, 0.05);
}

details[open] .dropdown__trigger {
  background: rgba(93, 240, 199, 0.1);
  border-color: #5df0c7;
}

.dropdown__menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: auto;
  z-index: 120;
  margin: 0;
  padding: 8px;
  background: #151a23;
  border: 1px solid #1f2633;
  border-radius: 8px;
  width: 240px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.chip-group {
  display: flex;
  gap: 6px;
}

.chip {
  padding: 6px 12px;
  background: #0f131b;
  color: #9aa5b8;
  border: 1px solid #1f2633;
  border-radius: 20px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}

.chip:hover {
  border-color: #5df0c7;
  color: #5df0c7;
}

.chip--active {
  background: #5df0c7;
  color: #0d1016;
  border-color: #5df0c7;
}

.info-panels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: #151a23;
  border: 1px solid #1f2633;
  border-radius: 14px;
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.panel__header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: #e8edf7;
}

.game-status {
  font-size: 13px;
  color: #9aa5b8;
}

.game-status p {
  margin: 0;
  line-height: 1.5;
}

.muted {
  color: #9aa5b8;
}

.history {
  margin: 0;
  padding-left: 16px;
  font-size: 12px;
  color: #9aa5b8;
  max-height: 200px;
  overflow-y: auto;
}

.history li {
  padding: 4px 0;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal[open],
.modal:not([aria-hidden="true"]) {
  display: flex;
}

.modal__dialog {
  background: #151a23;
  border: 1px solid #1f2633;
  border-radius: 14px;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid #1f2633;
}

.modal__header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.modal__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.game-over-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.game-over-result {
  text-align: center;
  padding: 20px 0;
}

.game-over-result-text {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  text-transform: uppercase;
}

.game-over-result-text.won {
  color: #5df0c7;
  text-shadow: 0 0 20px rgba(93, 240, 199, 0.5);
}

.game-over-result-text.lost {
  color: #ef4444;
  text-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
}

.game-over-message {
  font-size: 1rem;
  color: #9aa5b8;
  margin: 10px 0;
}

.game-over-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .chess-shell,
  .backgammon-shell {
    flex-direction: column;
    gap: 8px;
    padding: 8px;
  }
  
  .side-panel {
    width: 100%;
  }
  
  .board-wrapper {
    min-height: 300px;
    padding: 8px;
    margin-bottom: 8px;
  }
}

/* Backgammon-specific overrides (scoped). Uses existing site theme variables. */

html.bg-scrollbar-stable {
  /* Fallback that works everywhere: keep vertical scrollbar stable to avoid subtle layout shifts. */
  overflow-y: scroll;
}

/* ============================================
   GLOBAL RESPONSIVE FIXES - All Devices
   ============================================ */

/* Prevent text size adjustment on landscape orientation change */
html, body {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Prevent horizontal overflow on all devices */
html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* Ensure game area never exceeds viewport */
.board-wrapper,
.chess-shell,
.backgammon-shell {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

/* Touch-action optimization */
button, [role="button"], input {
  touch-action: manipulation;
}

/* Prevent zoom on input focus */
input, textarea, select {
  font-size: 16px;
  font-size: max(16px, 1em);
}

/* ============================================ */

/* Scrollbar stable support */
@supports (scrollbar-gutter: stable) {
  html.bg-scrollbar-stable {
    overflow-y: auto;
    scrollbar-gutter: stable;
  }
}

.backgammon-root {
  --bg: #0d1016;
  --card: #151a23;
  --card-strong: #0f131b;
  --border: #1f2633;
  --text: #e8edf7;
  --muted: #9aa5b8;
  --accent: #5df0c7;
  --accent-strong: #38cfa4;
  --radius: 14px;
  
  /* Modern Theme (Green) - Default */
  --bg-tri-light: #e8f4f1;
  --bg-tri-dark: #2d4844;
  --bg-board-accent: #5df0c7;
  --bg-board-neutral: #e8f4f1;
  --bg-board-muted: #9aa5b8;
  --bg-board-border: #5df0c7;
  --bg-tri-opacity: 0.68;
  --bg-outline: #38cfa4;
  
  /* Dice Modern */
  --bg-dice-bg: #151a23;
  --bg-dice-border: #5df0c7;
  --bg-dice-pip: #5df0c7;
  
  /* Checker sizing (reduced 20% total from original) */
  --bg-checker-size: 39px;
  --bg-checker-border: 2px;
  --bg-stack-overlap: 15px;

  /* Board sizing */
  --bg-max-width: 986px;
  --bg-bar-width: 51px;

  --bg-offpanel-width: 80px;

  /* Legal-move highlight color (green). */
  --bg-legal: #2fd27a;
}

/* Classic Theme (Brown & Cream) */
.backgammon-root.theme-classic {
  --bg-tri-light: #e8d4b8;
  --bg-tri-dark: #8b6f47;
  --bg-board-accent: #8b6f47;
  --bg-board-neutral: #e8d4b8;
  --bg-board-muted: #999999;
  --bg-board-border: #8b6f47;
  --bg-outline: #5f4a2b;
  
  /* Dice Classic - White and Black */
  --bg-dice-bg: #f5f5f5;
  --bg-dice-border: #333333;
  --bg-dice-pip: #333333;
}

/* Difficulty buttons inline in game page - aligned to dice center */
/* Use exact same width calculation as board-col for perfect alignment */
.backgammon-root .bg-difficulty-buttons-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin: 0 auto var(--spacing-md);
  flex-wrap: wrap;
  /* Match board-wrap width for perfect alignment */
  width: min(92vw, 640px);
  /* Match board-wrap centering: margin: 0 auto centers within parent */
  box-sizing: border-box;
  /* No padding to ensure exact width match */
  padding: 0;
}

.backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn {
  flex: 0 0 auto;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-height: 36px;
  height: 36px;
  line-height: 36px;
}

.backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn.active {
  background-color: var(--color-accent);
  color: var(--color-text-on-accent);
  font-weight: 600;
}

/* Remove box-shadow from active difficulty button in dark mode to avoid shadow line at bottom */
body.dark-mode .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn.active,
body[data-theme="dark"] .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn.active {
  box-shadow: none !important;
}

/* New Game button in inline buttons */
.backgammon-root .bg-difficulty-buttons-inline #backgammon-new-game-inline {
  min-height: 36px;
  height: 36px;
  line-height: 36px;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}


/* Center subtitle on the dice center (exact same width and alignment as difficulty buttons) */
.backgammon-root .bg-subtitle {
  /* Match board-wrap width for perfect alignment */
  width: min(92vw, 640px);
  text-align: center;
  /* Same centering as buttons and board-wrap */
  margin: 0 auto var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  /* Match box-sizing and padding for exact alignment */
  box-sizing: border-box;
  padding: 0;
}

body.dark-mode .backgammon-root,
body[data-theme="dark"] .backgammon-root {
  --bg-board-neutral: var(--color-bg-primary);
  /* In dark mode, the "muted" triangle needs more contrast than bg-tertiary. */
  --bg-board-muted: var(--color-border);
  --bg-board-border: var(--color-card-border);
  --bg-tri-opacity: 0.62;
  --bg-outline: var(--color-text-primary);

  --bg-dice-bg: var(--color-card-bg);
  --bg-dice-border: var(--color-card-border);
  --bg-dice-pip: var(--color-text-primary);

  --bg-legal: #33d17a;
}

/* Remove borders and box-shadow from difficulty buttons and subtitle in dark mode to avoid double lines */
body.dark-mode .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn,
body[data-theme="dark"] .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn,
body.dark-mode .backgammon-root .bg-subtitle,
body[data-theme="dark"] .backgammon-root .bg-subtitle {
  border: none !important;
  border-top: none !important;
  border-bottom: none !important;
  border-left: none !important;
  border-right: none !important;
  box-shadow: none !important;
}

.backgammon-root .bg-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100%;
  width: 100%;
  max-width: 100%;
  padding: var(--spacing-md) var(--spacing-sm) var(--spacing-lg);
  box-sizing: border-box;
  gap: var(--spacing-md);
  overflow-y: auto;
  overflow-x: hidden;
}

/* Chess-like dark shell */
.backgammon-root {
  background: #0b1220;
  color: #e5e7eb;
}

.backgammon-root .bg-controls-panel {
  width: clamp(280px, 92vw, 700px);
  background: var(--color-bg-secondary, #0f172a);
  border: 1px solid var(--color-border, rgba(255,255,255,0.08));
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 10px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.28);
}

.backgammon-root .bg-control-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.backgammon-root .bg-ctl-btn {
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(135deg, #1f2937, #111827);
  color: #f8fafc;
  border-radius: 10px;
  padding: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
  /* Touch-friendly minimum size */
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.backgammon-root .bg-ctl-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  border-color: rgba(255,255,255,0.2);
}

.backgammon-root .bg-ctl-btn:active {
  transform: translateY(0);
}

.backgammon-root .bg-ctl-btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.16);
  color: #e5e7eb;
}

.backgammon-root .bg-field { width: 100%; }

.backgammon-root .bg-select {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: #0b1220;
  color: #f8fafc;
  font-weight: 600;
  appearance: none;
  position: relative;
}

.backgammon-root .bg-select:focus { outline: 2px solid var(--color-accent, #38bdf8); }

/* Loading screen styles */
.backgammon-root .bg-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-sm);
  text-align: center;
}

.backgammon-root .bg-screen .loading {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: var(--spacing-lg) 0;
}

/* SEO Content for difficulty selection */
.backgammon-root .bg-seo-content {
  width: clamp(270px, 92vw, 576px);
  margin: 0 auto var(--spacing-lg);
  text-align: left;
}

.backgammon-root .bg-seo-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-md);
  text-align: center;
}

.backgammon-root .bg-seo-description {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-lg);
}

.backgammon-root .bg-difficulty-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin: 0 0 var(--spacing-lg);
}

.backgammon-root .bg-difficulty-item {
  padding: var(--spacing-md);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
}

.backgammon-root .bg-difficulty-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs);
}

.backgammon-root .bg-difficulty-text {
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: 0;
}

.backgammon-root .bg-benefits {
  padding: var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  margin: 0 0 var(--spacing-lg);
}

.backgammon-root .bg-benefits-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs);
}

.backgammon-root .bg-benefits-text {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Difficulty list (same feel as chess) */
.backgammon-root .bg-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  width: clamp(270px, 92vw, 576px);
}

.backgammon-root .bg-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 1.125rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
}

.backgammon-root .bg-card-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text-primary);
}

.backgammon-root .bg-card:hover,
.backgammon-root .bg-card:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px) scale(1.01);
}

.backgammon-root .bg-card:hover .bg-card-title,
.backgammon-root .bg-card:focus-visible .bg-card-title {
  color: #fff;
}

.backgammon-root .bg-card:active {
  transform: translateY(0) scale(0.99);
}

.backgammon-root .bg-footnote {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.backgammon-root .bg-actions {
  width: clamp(320px, 94vw, var(--bg-max-width));
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.backgammon-root .bg-status {
  width: clamp(320px, 94vw, var(--bg-max-width));
  margin: 0 auto;
  color: var(--color-text-primary);
  font-weight: 700;
  min-height: 2.4em;
  display: flex;
  align-items: center;
}

/* Board - Responsive-first approach */
.backgammon-root .bg-board-wrap {
  width: min(95vw, 640px);
  max-width: 100%;
  margin: 0 auto;
  position: relative;
  box-sizing: border-box;
}

/* Ensure board-col has explicit width calculation for alignment */
.backgammon-root .bg-board-row {
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
  align-items: stretch;
  /* Mobile-first approach: stack vertically */
  --board-col-width: 100%;
}

.backgammon-root .bg-board-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  align-items: stretch;
  justify-content: center;
  /* Ensure box-sizing matches for consistent alignment */
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  /* No border that could affect width calculation */
  border: none;
  /* Note: width is handled by grid 1fr (equals board-wrap width - offpanel - gap) */
  /* This ensures alignment with buttons and subtitle which use the same calculation */
}

.backgammon-root .bg-above-board {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 0.75rem;
  margin: 0 auto 0.5rem;
  min-height: 94px;
  /* Ensure no padding that could affect alignment */
  padding: 0;
  box-sizing: border-box;
}

.backgammon-root .bg-dice-center {
  grid-column: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem; /* Reduced by 20%: 0.75rem * 0.8 */
  min-height: 94px;
  /* Center dice within board-col - same centering as buttons/subtitle */
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.backgammon-root .bg-board {
  width: 100%;
  aspect-ratio: 1.6 / 1;
  margin: 0;
  position: relative;
  border: 1px solid var(--bg-board-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-board-neutral);
  display: grid;
  grid-template-columns: 1fr var(--bg-bar-width) 1fr;
  /* Keep enlarged checkers fully inside the rounded/hidden board area. */
  box-sizing: border-box;
  padding: 19px 10px 10px;
  box-shadow:
    0 19px 41px rgba(0, 0, 0, 0.18),
    var(--shadow-sm),
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -15px 31px rgba(0, 0, 0, 0.10);
}

/* Bear-off pockets (right side) */

.backgammon-root .bg-offpanel {
  /* Mobile first - will be overridden in media query for larger screens */
  display: none;
}

/* MOBILE & TABLET RESPONSIVE (max-width: 900px) */
@media (max-width: 900px) {
  /* Root container fills viewport */
  .backgammon-root {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
  }
  
  /* Board wrapper adapts to viewport - 95vw or 100%, whichever is smaller */
  .backgammon-root .bg-board-wrap {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
  }
  
  .backgammon-root .bg-board {
    aspect-ratio: 1.6 / 1;
    width: 100%;
    max-width: 100%;
  }
  
  /* Controls panel responsive */
  .backgammon-root .bg-controls-panel {
    width: 100%;
    max-width: 100%;
  }
  
  .backgammon-root .bg-control-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  /* Board layout stacked on mobile */
  .backgammon-root .bg-board-row {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 12px;
    width: 100%;
  }
  
  /* Pockets side-by-side on mobile */
  .backgammon-root .bg-offpanel {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
    gap: 12px;
    min-height: auto;
  }
  
  /* Touch-friendly pocket sizing (minimum 44x44 for touch) */
  .backgammon-root .bg-pocket {
    min-height: 100px;
    height: 100px;
  }
  
  .backgammon-root .bg-pocket-well {
    min-height: 80px;
  }
  
  /* Board wrapper container */
  .board-wrapper {
    min-height: auto;
    padding: 8px;
    margin: 0;
  }
  
  /* Shell container responsive */
  .backgammon-shell {
    flex-direction: column;
    gap: 8px;
    padding: 8px;
  }
  
  .side-panel {
    width: 100%;
  }
}

/* TABLET LANDSCAPE (901px to 1200px) */
@media (min-width: 901px) and (max-width: 1200px) {
  .backgammon-root .bg-board-wrap {
    width: min(90vw, 600px);
  }
}

/* DESKTOP (1201px and up) */
@media (min-width: 1201px) {
  .backgammon-root .bg-board-wrap {
    width: min(85vw, 640px);
  }
}

@media (min-width: 769px) {
  /* On larger screens, show offpanel beside the board */
  .backgammon-root .bg-board-row {
    grid-template-columns: 1fr minmax(84px, var(--bg-offpanel-width)) !important;
  }
  
  .backgammon-root .bg-offpanel {
    display: flex !important;
    flex-direction: column;
    gap: 0.32rem;
    height: 90%;
    max-height: 90%;
    align-items: stretch;
    justify-content: space-between;
    align-self: center;
  }
}

@media (max-width: 600px) {
  .site-header { position: static; }
  .control-row { grid-template-columns: 1fr; }
  .dropdown__menu { position: relative; width: 100%; }
  
  body {
    padding-top: 68px !important;
  }
  
  .backgammon-root .bg-board-wrap {
    width: min(90vw, 100%);
    padding: 0 8px;
  }
}

/* Desktop scaling: increase all game elements by 35% + 25% more, then reduce by 30% = 1.19x total */
@media (min-width: 901px) {
  .backgammon-root {
    --bg-checker-size: calc(39px * 1.19);
    --bg-checker-border: calc(2px * 1.19);
    --bg-bar-width: calc(51px * 1.19);
    --bg-offpanel-width: calc(80px * 1.19);
    --spacing-xs: calc(var(--original-spacing-xs, 8px) * 1.19);
    --spacing-sm: calc(var(--original-spacing-sm, 12px) * 1.19);
    --spacing-md: calc(var(--original-spacing-md, 16px) * 1.19);
    --spacing-lg: calc(var(--original-spacing-lg, 24px) * 1.19);
    min-height: 450px;
    margin-top: -10px;
  }
  
  .backgammon-root .bg-board-wrap {
    width: min(calc(92vw - 16px), 950px);
    min-width: 1000px;
  }
  
  .backgammon-root .bg-board-row {
    grid-template-columns: 1fr minmax(84px, var(--bg-offpanel-width)) !important;
  }
  
  .backgammon-root .bg-offpanel {
    display: flex !important;
    flex-direction: column;
    gap: 0.32rem;
    height: 90%;
    max-height: 90%;
    align-items: stretch;
    justify-content: space-between;
    align-self: center;
  }
  
  .backgammon-root .bg-board {
    padding: 12px 6px 6px;
    min-height: 450px;
  }
  
  .backgammon-root .bg-dice-center {
    gap: calc(0.6rem * 1.19);
    min-height: calc(94px * 1.19);
  }
  
  .backgammon-root .bg-above-board {
    gap: calc(0.75rem * 1.19);
    min-height: calc(94px * 1.19);
  }
  
  .backgammon-root .bg-controls-panel {
    width: clamp(280px, calc(92vw - 16px), 1050px);
    padding: calc(12px * 1.19);
    gap: calc(10px * 1.19);
    min-width: 900px;
  }
  
  .backgammon-root .bg-control-row {
    gap: calc(10px * 1.19);
  }
}

.backgammon-root .bg-pocket {
  appearance: none;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr minmax(80px, var(--bg-offpanel-width));
  gap: var(--spacing-sm);
  padding: 0.21rem;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 0.17rem;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  flex: 1;
  min-height: 0;
  max-height: 100%;
  height: 100%;
}

.backgammon-root .bg-pocket:disabled {
  opacity: 0.75;
  cursor: default;
}

.backgammon-root .bg-pocket-well {
  border-radius: calc(var(--radius-lg) - 6px);
  border: 1px solid var(--color-card-border);
  box-shadow: inset 0 6px 10px rgba(0,0,0,0.16);
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 3.2px 2.7px;
}

/* Black pocket gets light background (inversed) */
.backgammon-root .bg-pocket[data-pocket="b"] .bg-pocket-well {
  background: #2a2d36 !important;
}

/* White pocket gets dark background (inversed) */
.backgammon-root .bg-pocket[data-pocket="w"] .bg-pocket-well {
  background: #e8edf7 !important;
  justify-content: flex-end;
}

.backgammon-root .bg-pocket-stack {
  --bg-checker-size-effective: var(--bg-checker-size-local, var(--bg-checker-size));
  --bg-stack-overlap-effective: var(--bg-stack-overlap-local, var(--bg-stack-overlap));
  display: flex;
  flex-direction: column;
  align-items: center;
}

.backgammon-root .bg-pocket-stack .bg-checker:not(:first-child) {
  margin-top: calc(-1 * var(--bg-stack-overlap-effective));
}

.backgammon-root .bg-pocket-meta {
  display: flex;
  flex-direction: column;
  gap: 0.06rem;
  align-items: center;
  flex-shrink: 0;
}

.backgammon-root .bg-pocket-label {
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--color-text-secondary);
}

.backgammon-root .bg-pocket-count {
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-primary);
}

.backgammon-root .bg-pocket.bg-pocket-legal {
  outline: 2px solid var(--bg-legal);
  outline-offset: 2px;
}

@supports (background: color-mix(in srgb, #000 50%, #fff)) {
  .backgammon-root .bg-board {
    background: linear-gradient(
      180deg,
      color-mix(in srgb, var(--bg-board-neutral) 92%, var(--bg-board-accent)) 0%,
      var(--bg-board-neutral) 70%
    );
  }
}

.backgammon-root .bg-half {
  display: grid;
  grid-template-rows: 1fr 1fr;
}

.backgammon-root .bg-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}

.backgammon-root .bg-bar {
  background: var(--bg-board-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  box-shadow:
    inset 1px 0 rgba(0,0,0,0.10),
    inset -1px 0 rgba(0,0,0,0.10);
}

@supports (background: color-mix(in srgb, #000 50%, #fff)) {
  .backgammon-root .bg-bar {
    background: linear-gradient(
      180deg,
      color-mix(in srgb, var(--bg-board-muted) 92%, var(--bg-board-accent)) 0%,
      var(--bg-board-muted) 100%
    );
  }
}

.backgammon-root .bg-bar-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.backgammon-root .bg-point {
  --bg-checker-size-effective: var(--bg-checker-size-local, var(--bg-checker-size));
  --bg-stack-overlap-effective: var(--bg-stack-overlap-local, var(--bg-stack-overlap));
  border: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  background: transparent;
  position: relative;
}

.backgammon-root .bg-point.bg-point-top {
  padding-top: 26px;
}

.backgammon-root .bg-point.bg-point-bottom {
  padding-bottom: 9px;
}

/* Bar slots don't have bg-point-top/bottom classes; pad the top slot explicitly
   so enlarged checkers don't get clipped by the board's rounded/hidden edge. */
.backgammon-root .bg-bar [data-bar="b"] {
  padding-top: 26px;
}

.backgammon-root .bg-point .bg-checker:not(:first-child) {
  margin-top: calc(-1 * var(--bg-stack-overlap-effective));
}

.backgammon-root .bg-hi {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  z-index: 0;
}

.backgammon-root .bg-point.bg-point-bottom {
  justify-content: flex-end;
}

.backgammon-root .bg-triangle {
  position: absolute;
  inset: 0;
  /* Top points should point DOWN toward the center (apex at bottom). */
  clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
  opacity: var(--bg-tri-opacity);
  z-index: 0;
}

.backgammon-root .bg-point-bottom .bg-triangle {
  /* Bottom points should point UP toward the center (apex at top). */
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

.backgammon-root .bg-tri-a {
  background: var(--bg-board-accent);
}

.backgammon-root .bg-tri-b {
  background: var(--bg-board-muted);
}

.backgammon-root .bg-checker {
  width: var(--bg-checker-size-effective);
  height: var(--bg-checker-size-effective);
  border-radius: 999px;
  border: var(--bg-checker-border) solid rgba(0,0,0,0.15);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 9px 19px rgba(0,0,0,0.20);
  position: relative;
  z-index: 1;
  transition: transform 160ms cubic-bezier(0.2, 0.9, 0.2, 1);
  will-change: transform;
}

/* Selection UX: lift only the selected checker (top-most), not the whole point. */
.backgammon-root .bg-point.bg-selected .bg-checker-pick {
  z-index: 3;
  filter: drop-shadow(0 12px 24px rgba(0,0,0,0.24));
  position: relative;
}

.backgammon-root .bg-point.bg-point-top.bg-selected .bg-checker-pick {
  transform: translateY(19px) scale(1.12);
}

.backgammon-root .bg-point.bg-point-bottom.bg-selected .bg-checker-pick {
  transform: translateY(-19px) scale(1.12);
}

/* Yellow overlay for the selected checker - 60% opacity */
.backgammon-root .bg-point.bg-selected .bg-checker-pick::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255, 255, 0, 0.6);
  pointer-events: none;
  z-index: 2;
}

/* Gray circle in the center of selected checker */
.backgammon-root .bg-point.bg-selected .bg-checker-pick::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: calc(var(--bg-checker-size-effective) * 0.4);
  height: calc(var(--bg-checker-size-effective) * 0.4);
  border-radius: 999px;
  background: rgba(128, 128, 128, 0.2);
  pointer-events: none;
  z-index: 3;
}

.backgammon-root .bg-checker::before {
  content: "";
  position: absolute;
  inset: calc(var(--bg-checker-size-effective) * 0.10);
  border-radius: 999px;
  pointer-events: none;
  opacity: 0.9;
}

.backgammon-root .bg-checker::after {
  content: "";
  position: absolute;
  inset: calc(var(--bg-checker-size-effective) * 0.20);
  border-radius: 999px;
  pointer-events: none;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    inset 0 10px 16px rgba(0, 0, 0, 0.12);
  opacity: 0.8;
}

.backgammon-root .bg-checker-w {
  background: radial-gradient(circle at 30% 28%, #ffffff 0%, #f3f4f6 55%, #e6e7ea 100%);
  border-color: rgba(0,0,0,0.22);
}

.backgammon-root .bg-checker-w::before {
  background: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0) 62%);
}

.backgammon-root .bg-checker-b {
  background: radial-gradient(circle at 30% 28%, #3a3a3a 0%, #151515 58%, #0b0b0b 100%);
  border-color: rgba(255,255,255,0.28);
}

.backgammon-root .bg-checker-b::before {
  background: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0) 64%);
}

/* Checker move animation (ghost overlay) */

.backgammon-root .bg-move-ghost {
  position: fixed;
  z-index: 12000;
  width: var(--bg-checker-size);
  height: var(--bg-checker-size);
  pointer-events: none;
  will-change: transform;
  transition: transform 260ms cubic-bezier(0.2, 0.9, 0.2, 1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 12px 24px rgba(0,0,0,0.25);
}

.backgammon-root .bg-count {
  position: absolute;
  right: 6px;
  bottom: 6px;
  z-index: 2;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 999px;
  padding: 0 6px;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
}

.backgammon-root .bg-point.bg-selected {
  outline: none;
}

.backgammon-root .bg-point.bg-legal {
  box-shadow: none;
}

@keyframes bgLegalPulse {
  0% { transform: scale(0.985); opacity: 0.68; }
  55% { transform: scale(1.03); opacity: 1; }
  100% { transform: scale(0.985); opacity: 0.68; }
}

/* Modern highlights: glow shaped to the point/triangle (no rectangular frame). */
@supports (background: color-mix(in srgb, #000 50%, transparent)) {
  .backgammon-root .bg-point.bg-selected .bg-hi {
    /* Don't glow the whole triangle on selection; the checker lift indicates selection. */
    opacity: 0;
  }

  .backgammon-root .bg-point.bg-legal .bg-hi {
    opacity: 1;
    inset: 8px;
    background: radial-gradient(
      circle at 50% 55%,
      color-mix(in srgb, var(--bg-legal) 72%, transparent) 0%,
      transparent 58%
    );
    filter:
      drop-shadow(0 12px 26px rgba(0, 0, 0, 0.16))
      drop-shadow(0 0 18px color-mix(in srgb, var(--bg-legal) 42%, transparent));
    transform: translateZ(0);
    animation: bgLegalPulse 1100ms ease-in-out infinite;
  }

  .backgammon-root .bg-point.bg-point-top.bg-legal .bg-hi {
    /* Match the point direction: top points apex at bottom. */
    clip-path: polygon(10% 4%, 90% 4%, 50% 94%);
    transform-origin: 50% 70%;
  }

  .backgammon-root .bg-point.bg-point-bottom.bg-legal .bg-hi {
    /* Match the point direction: bottom points apex at top. */
    clip-path: polygon(50% 6%, 10% 96%, 90% 96%);
    transform-origin: 50% 30%;
  }
}

/* Fallback (if color-mix unsupported): keep something visible and minimal. */
@supports not (background: color-mix(in srgb, #000 50%, transparent)) {
  .backgammon-root .bg-point.bg-selected { box-shadow: inset 0 0 0 2px var(--bg-outline); }
  .backgammon-root .bg-point.bg-legal { box-shadow: inset 0 0 0 2px var(--bg-legal); }
}

/* Dice */

.backgammon-root .bg-dice {
  display: none;
}

.backgammon-root .bg-dice-left {
  display: none;
}

.backgammon-root .bg-off-btn {
  appearance: none;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  background: var(--color-card-bg);
  color: var(--color-text-primary);
  padding: 0.5rem 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.backgammon-root .bg-off-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.backgammon-root .bg-off-btn.bg-off-legal {
  outline: 2px solid var(--bg-legal);
  outline-offset: 2px;
}

.backgammon-root .bg-below-board {
  margin-top: 0.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
  align-items: center;
  min-height: 72px;
}

.backgammon-root .bg-roll-under {
  justify-self: center;
  height: 64px;
  width: min(320px, 92vw);
  border-radius: 999px;
  border: 1px solid var(--color-card-border);
  background: var(--color-accent);
  color: #fff;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.backgammon-root .bg-roll-under.bg-roll-hidden {
  visibility: hidden;
  pointer-events: none;
}

.backgammon-root .bg-roll-under:active {
  transform: scale(0.98);
}

.backgammon-root .bg-off-label {
  font-weight: 900;
}

.backgammon-root .bg-off-count {
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-secondary);
}

.backgammon-root .bg-dieface {
  width: 58.4px; /* Reduced by 20%: 73px * 0.8 */
  height: 58.4px; /* Reduced by 20%: 73px * 0.8 */
  border-radius: var(--radius-md);
  border: 2px solid var(--bg-dice-border);
  background: var(--bg-dice-bg);
  position: relative;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    var(--shadow-md);
}

.backgammon-root .bg-dieface.bg-dieface-used {
  position: relative;
  opacity: 0.45;
}
.backgammon-root .bg-status-toast {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translate(-50%, -100%);
  pointer-events: none;
  z-index: 200;

  max-width: min(860px, 92vw);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--color-card-border);
  background: var(--color-card-bg);
  color: var(--color-text-primary);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
  opacity: 0;
}

.backgammon-root .bg-status-toast:not(:empty) {
  opacity: 1;
}

.backgammon-root .bg-dice-overlay {
  display: none;
}

.backgammon-root .bg-dice-overlay .bg-dice-center {
  min-height: 0;
}

.backgammon-root .bg-pip {
  position: absolute;
  width: 9.6px; /* Reduced by 20%: 12px * 0.8 */
  height: 9.6px; /* Reduced by 20%: 12px * 0.8 */
  border-radius: 999px;
  background: var(--bg-dice-pip);
  opacity: 0;
}

.backgammon-root .bg-pip-tl { left: 12px; top: 12px; } /* Reduced by 20%: 15px * 0.8 */
.backgammon-root .bg-pip-tr { right: 12px; top: 12px; } /* Reduced by 20%: 15px * 0.8 */
.backgammon-root .bg-pip-ml { left: 12px; top: 50%; transform: translateY(-50%); } /* Reduced by 20%: 15px * 0.8 */
.backgammon-root .bg-pip-mr { right: 12px; top: 50%; transform: translateY(-50%); } /* Reduced by 20%: 15px * 0.8 */
.backgammon-root .bg-pip-bl { left: 12px; bottom: 12px; } /* Reduced by 20%: 15px * 0.8 */
.backgammon-root .bg-pip-br { right: 12px; bottom: 12px; } /* Reduced by 20%: 15px * 0.8 */
.backgammon-root .bg-pip-c { left: 50%; top: 50%; transform: translate(-50%, -50%); }

@keyframes bgDicePop {
  0% { transform: translateY(10px) scale(0.7); opacity: 0; }
  60% { transform: translateY(-2px) scale(1.06); opacity: 1; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

.backgammon-root .bg-dieface.bg-dieface-pop {
  animation: bgDicePop 260ms ease-out;
}

.backgammon-root .bg-dieface[data-value="1"] .bg-pip-c { opacity: 1; }
.backgammon-root .bg-dieface[data-value="2"] .bg-pip-tl,
.backgammon-root .bg-dieface[data-value="2"] .bg-pip-br { opacity: 1; }
.backgammon-root .bg-dieface[data-value="3"] .bg-pip-tl,
.backgammon-root .bg-dieface[data-value="3"] .bg-pip-c,
.backgammon-root .bg-dieface[data-value="3"] .bg-pip-br { opacity: 1; }
.backgammon-root .bg-dieface[data-value="4"] .bg-pip-tl,
.backgammon-root .bg-dieface[data-value="4"] .bg-pip-tr,
.backgammon-root .bg-dieface[data-value="4"] .bg-pip-bl,
.backgammon-root .bg-dieface[data-value="4"] .bg-pip-br { opacity: 1; }
.backgammon-root .bg-dieface[data-value="5"] .bg-pip-tl,
.backgammon-root .bg-dieface[data-value="5"] .bg-pip-tr,
.backgammon-root .bg-dieface[data-value="5"] .bg-pip-c,
.backgammon-root .bg-dieface[data-value="5"] .bg-pip-bl,
.backgammon-root .bg-dieface[data-value="5"] .bg-pip-br { opacity: 1; }
.backgammon-root .bg-dieface[data-value="6"] .bg-pip-tl,
.backgammon-root .bg-dieface[data-value="6"] .bg-pip-ml,
.backgammon-root .bg-dieface[data-value="6"] .bg-pip-bl,
.backgammon-root .bg-dieface[data-value="6"] .bg-pip-tr,
.backgammon-root .bg-dieface[data-value="6"] .bg-pip-mr,
.backgammon-root .bg-dieface[data-value="6"] .bg-pip-br { opacity: 1; }

/* Modal (reuse chess style) */
.backgammon-root .bg-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.backgammon-root .bg-modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--color-bg-primary);
  opacity: 0.85;
}

.backgammon-root .bg-modal-dialog {
  position: relative;
  width: min(420px, 92vw);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1rem;
  text-align: center;
}

.backgammon-root .bg-modal-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text-primary);
}

.backgammon-root .bg-modal-text {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  color: var(--color-text-secondary);
}


/* Mobile landscape layout for Backgammon (max-width: 1023px AND landscape) */
@media (max-width: 1023px) and (orientation: landscape) {
  .backgammon-root {
    padding: 0.5rem !important;
  }

  .backgammon-root .bg-wrap {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 0.5rem !important;
  }

  .backgammon-root .bg-board-wrap {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
  }

  .backgammon-root .bg-difficulty-buttons-inline {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0.5rem auto !important;
    padding: 0.5rem !important;
    gap: 0.5rem !important;
  }

  .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn {
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
    min-height: 36px !important;
    height: 36px !important;
  }

  .backgammon-root .bg-status {
    font-size: 0.875rem !important;
    padding: 0.5rem !important;
    margin: 0.5rem 0 !important;
  }

  .backgammon-root .bg-dice {
    margin: 0.5rem auto !important;
    padding: 0.5rem !important;
  }

  .backgammon-root .bg-clocks {
    margin: 0.5rem auto !important;
    padding: 0.5rem !important;
    gap: 1rem !important;
  }

  .backgammon-root .bg-clock {
    font-size: 0.875rem !important;
    padding: 0.5rem !important;
  }

  .backgammon-root .bg-roll-btn {
    margin: 0.5rem auto !important;
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
    min-height: 36px !important;
  }

  /* Adjust checker size for landscape mobile */
  .backgammon-root {
    --bg-checker-size: 40px;
    --bg-stack-overlap: 16px;
  }

  /* Adjust board sizing for landscape */
  .backgammon-root .bg-point {
    min-height: 60px !important;
  }

  /* Make sure board fits in landscape viewport */
  .backgammon-root .bg-board {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
  }
}

/* Mobile board size decrease (max-width: 1023px) */
@media (max-width: 1023px) {
  /* Decrease board size by 40% on mobile */
  .backgammon-root {
    --bg-max-width: 591.6px; /* 986px * 0.6 */
    --bg-checker-size: 28.8px; /* 48px * 0.6 */
    --bg-bar-width: 43.8px; /* 73px * 0.6 */
    --bg-offpanel-width: 48px; /* 80px * 0.6 */
    --bg-stack-overlap: 11.4px; /* 19px * 0.6 */
    --bg-checker-border: 1.5px; /* 2.5px * 0.6 */
  }
}

/* Mobile buttons grid layout (max-width: 1023px) */
@media (max-width: 1023px) {
  .backgammon-root .bg-difficulty-buttons-inline {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 2px !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0.5rem auto !important;
    padding: 0 !important;
  }

  /* Row 1: Easy, Medium */
  .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn[data-level="1"] {
    grid-column: 1;
    grid-row: 1;
  }
  
  .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn[data-level="2"] {
    grid-column: 2;
    grid-row: 1;
  }

  /* Row 2: Hard, Impossible */
  .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn[data-level="3"] {
    grid-column: 1;
    grid-row: 2;
  }
  
  .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn[data-level="4"] {
    grid-column: 2;
    grid-row: 2;
  }

  /* Row 3: New Game, Mute */
  .backgammon-root .bg-difficulty-buttons-inline #backgammon-new-game-inline {
    grid-column: 1;
    grid-row: 3;
  }
  
  .backgammon-root .bg-difficulty-buttons-inline .backgammon-mute-btn,
  .backgammon-root .bg-difficulty-buttons-inline .mute-button {
    grid-column: 2;
    grid-row: 3;
  }

  /* All buttons same height and rectangular */
  .backgammon-root .bg-difficulty-buttons-inline .game-difficulty-btn,
  .backgammon-root .bg-difficulty-buttons-inline #backgammon-new-game-inline,
  .backgammon-root .bg-difficulty-buttons-inline .backgammon-mute-btn,
  .backgammon-root .bg-difficulty-buttons-inline .mute-button {
    min-height: 24px !important;
    height: 24px !important;
    max-height: 24px !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-size: 0.875rem !important;
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Mute button specific - make it rectangular and same height */
  .backgammon-root .bg-difficulty-buttons-inline .backgammon-mute-btn,
  .backgammon-root .bg-difficulty-buttons-inline .mute-button {
    width: 100% !important;
    min-width: auto !important;
    max-width: none !important;
    border-radius: 0 !important;
  }

  /* Mute button icon sizing */
  .backgammon-root .bg-difficulty-buttons-inline .backgammon-mute-btn svg,
  .backgammon-root .bg-difficulty-buttons-inline .mute-button svg {
    width: 14px !important;
    height: 14px !important;
  }
}