/* =============================================
   JigSolitaire Game — Premium UI
   Warm cream palette, playful animations,
   glassmorphism, micro-interactions
   ============================================= */

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

/* === Custom Properties === */
:root {
  --wood-dark: #624039;
  --wood-light: #9e6d62;
  --bg-page: #eeddf4;
  --bg-card: #e5cdb2;
  --bg-card-inner: #ffeccc;
  --bg-row: #fff6e8;
  --border-thick: #624039;
  --text-main: #624039;
  --text-soft: #845e56;

  /* Warm neutrals */
  --warm-900: #3d2b26;
  --warm-800: #5a433d;
  --warm-700: #725a53;
  --warm-500: #8b736c;
  --warm-400: #a08981;

  /* Surface tones */
  --sand: #d8c1b7;
  --cream-dark: #eadfd7;
  --stone: #d4c8c1;

  /* Accent */
  --accent: #e8614d;
  --accent-soft: rgba(232,97,77,0.12);
  --accent-glow: rgba(232,97,77,0.18);

  --accent-yellow: #fcd556;
  --accent-yellow-dark: #dbab30;
  --accent-green: #c4f3a3;
  --accent-green-dark: #8ccb6a;
  --accent-cyan: #b6f3f0;
  --accent-cyan-dark: #64c9d5;
  --accent-red: #cc6056;
  --accent-red-dark: #a13d35;

  --white: #ffffff;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 4px 0 rgba(98, 64, 57, 0.1);
  --shadow-md: 0 6px 0 rgba(98, 64, 57, 0.1);
  --shadow-lg: 0 10px 0 rgba(98, 64, 57, 0.1);
  --shadow-glow: 0 4px 20px var(--accent-glow);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-sans: 'Nunito', 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Nunito', 'Outfit', 'Inter', system-ui, sans-serif;
}

body[data-skin="sunset"] {
  --bg-page: #f9d9d2;
  --bg-card-inner: #ffe4cb;
  --accent-glow: rgba(251, 146, 60, 0.35);
}

body[data-skin="mint"] {
  --bg-page: #d8f2e8;
  --bg-card-inner: #edfef7;
  --accent-glow: rgba(45, 212, 191, 0.3);
}

body[data-skin="midnight"] {
  --bg-page: #1f1835;
  --bg-card-inner: #2f2750;
  --text-main: #efe8ff;
  --wood-dark: #c8b8ff;
  --warm-900: #f4edff;
  --warm-400: #c7b9e8;
  --accent-glow: rgba(99, 102, 241, 0.45);
}

/* === Base === */
body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-main);
  overflow: hidden;
  height: 100vh;
  /* Use dynamic viewport height for mobile browsers */
  height: 100dvh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* === Screens === */
.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  /* Ensure padding doesn't cause scrollbar issues */
  width: 100%;
  height: 100%;
}

.screen.active {
  display: flex;
}

@keyframes screenFadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ============================================
   MENU SCREEN
   ============================================ */
#menu-screen {
  background: var(--bg-page);
}

/* Grid pattern */
#menu-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(107, 70, 193, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(107, 70, 193, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* Floating puzzle decorations */
.menu-float-tile {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  animation: floatTileIn 1s ease-out forwards, tileFloat 4s ease-in-out infinite;
}

@keyframes floatTileIn {
  from { opacity: 0; transform: scale(0) rotate(-30deg); }
  to { opacity: 1; transform: scale(1) rotate(0deg); }
}

@keyframes tileFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(5deg); }
}

.menu-float-tile:nth-child(1) { top: 8%; left: 5%; animation-delay: 0.2s, 0.2s; }
.menu-float-tile:nth-child(2) { top: 12%; right: 8%; animation-delay: 0.5s, 0.5s; }
.menu-float-tile:nth-child(3) { bottom: 15%; left: 10%; animation-delay: 0.8s, 0.8s; }
.menu-float-tile:nth-child(4) { bottom: 10%; right: 5%; animation-delay: 1.1s, 1.1s; }
.menu-float-tile:nth-child(5) { top: 45%; left: 2%; animation-delay: 0.4s, 0.4s; }
.menu-float-tile:nth-child(6) { top: 50%; right: 3%; animation-delay: 0.7s, 0.7s; }

.menu-float-tile svg {
  width: 100%;
  height: 100%;
}

/* Top economy bar */
.menu-economy-bar {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}

.coin-badge, .coin-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border: 2px solid var(--wood-dark);
  border-radius: 999px;
  background: var(--bg-card-inner);
  font-weight: 700;
  font-size: 0.78rem;
}

.shop-btn {
  border: 2px solid var(--wood-dark);
  background: var(--accent-yellow);
  color: var(--wood-dark);
  border-radius: 999px;
  padding: 0.28rem 0.8rem;
  font-weight: 800;
  cursor: pointer;
}

.shop-btn:hover {
  transform: translateY(-1px);
}

/* Menu header */
.menu-header {
  text-align: center;
  padding: 2rem 1rem 1rem;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.game-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--warm-900);
  margin-bottom: 0.15rem;
  animation: logoPopIn 0.6s var(--bounce) both;
}

@keyframes logoPopIn {
  from { opacity: 0; transform: scale(0.8) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.game-tagline {
  color: var(--warm-400);
  font-size: 0.85rem;
  font-weight: 450;
  letter-spacing: 0.02em;
  animation: fadeUp 0.5s ease both 0.3s;
}

/* Sound toggle */
.sound-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--sand);
  color: var(--warm-500);
  font-size: 0.72rem;
  font-weight: 550;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  animation: fadeUp 0.5s ease both 0.5s;
}

.sound-toggle:hover {
  background: var(--white);
  color: var(--warm-700);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.sound-toggle.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: rgba(232,97,77,0.2);
}

.sound-toggle svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Volume Slider */
.volume-slider-container {
  width: 0;
  overflow: hidden;
  transition: width 0.3s var(--bounce), opacity 0.3s ease;
  opacity: 0;
  display: flex;
  align-items: center;
  margin-left: 0;
}

.sound-toggle:hover .volume-slider-container {
  width: 80px;
  opacity: 1;
  margin-left: 0.5rem;
}

.volume-slider-container input[type="range"] {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--stone);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.volume-slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* Category grid — compact */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  gap: 0.6rem;
  padding: 0 0.875rem 1.5rem;
  max-width: 520px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  flex: 1;
  align-content: start;
}

.category-card {
  background: var(--bg-card-inner);
  border: 4px solid var(--wood-dark);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 0 rgba(98, 64, 57, 0.1);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s var(--bounce);
  position: relative;
  opacity: 0;
  animation: cardSlideIn 0.5s var(--bounce) both;
}

.category-card:nth-child(1) { animation-delay: 0.15s; }
.category-card:nth-child(2) { animation-delay: 0.25s; }
.category-card:nth-child(3) { animation-delay: 0.35s; }
.category-card:nth-child(4) { animation-delay: 0.45s; }
.category-card:nth-child(5) { animation-delay: 0.55s; }

@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ffc94d, #ff80ab);
  transform: scaleX(0);
  transition: transform 0.3s var(--bounce);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 0 rgba(98, 64, 57, 0.15);
}

.category-card:hover::after {
  transform: scaleX(1);
}

.category-card:active {
  transform: translateY(-2px) scale(0.98);
  transition-duration: 0.1s;
}

.cat-thumbnail {
  width: 100%;
  height: 100px;
  object-fit: cover;
  display: block;
  background: #e5d1ff;
  transition: transform 0.4s ease;
}

.category-card:hover .cat-thumbnail {
  transform: scale(1.06);
}

/* Clip the overflow on thumbnail container */
.category-card {
  overflow: hidden;
}

.cat-body {
  padding: 0.7rem 0.875rem;
}

.cat-name {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--warm-900);
}

.cat-meta {
  font-size: 0.72rem;
  color: var(--warm-400);
  margin-top: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.cat-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--cream-dark);
  border-radius: 4px;
  overflow: hidden;
}

.cat-progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s var(--bounce);
}

/* ============================================
   SCREEN TOPBAR & BACK BUTTON
   ============================================ */
.screen-topbar {
  padding: 0.625rem 1rem;
  flex-shrink: 0;
}

.back-btn {
  background: var(--bg-card-inner);
  border: 3px solid var(--wood-dark);
  color: var(--wood-dark);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.4rem 0.75rem;
  font-weight: 550;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: var(--radius-xl);
  font-family: inherit;
}

.back-btn:hover {
  color: var(--warm-900);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transform: translateX(-2px);
}

.back-btn svg {
  flex-shrink: 0;
  transition: transform var(--transition);
}

.back-btn:hover svg {
  transform: translateX(-2px);
}

/* ============================================
   LEVEL SELECT SCREEN
   ============================================ */
#level-screen {
  background: var(--bg-page);
}

.level-screen-header {
  text-align: center;
  padding: 0 1.5rem 1.5rem;
  animation: fadeUp 0.4s ease both;
}

.level-cat-img {
  width: 72px;
  height: 72px;
  margin: 0 auto 0.875rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--cream-dark);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s var(--bounce);
}

.level-cat-img:hover {
  transform: scale(1.08) rotate(-2deg);
}

.level-cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.level-screen-header h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--warm-900);
}

.level-cat-desc {
  color: var(--warm-400);
  font-size: 0.82rem;
  margin-top: 0.2rem;
  font-weight: 450;
}

.level-grid {
  display: flex;
  gap: 0.9rem;
  padding: 0 1.25rem 2.5rem;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.level-grid::-webkit-scrollbar {
  height: 8px;
}

.level-grid::-webkit-scrollbar-thumb {
  background: rgba(98, 64, 57, 0.35);
  border-radius: 999px;
}

/* Level card */
.level-card {
  background: var(--bg-card-inner);
  border: 4px solid var(--wood-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s var(--bounce);
  position: relative;
  opacity: 0;
  animation: cardSlideIn 0.45s var(--bounce) both;
  flex: 0 0 min(78vw, 260px);
  scroll-snap-align: center;
}

.level-card:nth-child(1) { animation-delay: 0.1s; }
.level-card:nth-child(2) { animation-delay: 0.18s; }
.level-card:nth-child(3) { animation-delay: 0.26s; }
.level-card:nth-child(4) { animation-delay: 0.34s; }
.level-card:nth-child(5) { animation-delay: 0.42s; }

.level-card:hover:not(.level-locked) {
  border-color: var(--sand);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px) scale(1.01);
}

.level-card:active:not(.level-locked) {
  transform: translateY(-1px) scale(0.98);
  transition-duration: 0.1s;
}

.level-card.level-locked {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.3);
}

.level-card.level-solved {
  border-color: var(--green-soft);
}

.level-card.level-solved::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--green);
  border-radius: 3px 0 0 3px;
  z-index: 2;
}

.level-thumb {
  width: 100%;
  height: 110px;
  object-fit: cover;
  display: block;
  background: #e5d1ff;
  transition: transform 0.4s ease;
}

.level-card:hover:not(.level-locked) .level-thumb {
  transform: scale(1.05);
}

.level-body {
  padding: 0.75rem 0.875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.level-title {
  font-weight: 550;
  font-size: 0.85rem;
  letter-spacing: -0.01em;
  color: var(--warm-800);
}

.level-meta-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.level-diff {
  font-size: 0.62rem;
  font-weight: 650;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.level-status-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.level-status-icon svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   GAME SCREEN
   ============================================ */
#game-screen {
  /* No display: flex here — .screen handles display:none / .screen.active handles display:flex */
  background:
    linear-gradient(175deg, var(--bg-card-inner) 0%, #f0e6d8 100%);
  overflow: hidden;
}

/* When active, switch to column flex */
#game-screen.active {
  display: flex;
  flex-direction: column;
}

/* ── Toolbar ──────────────────────────────── */
.game-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 58px;
  flex-shrink: 0;
  background: var(--bg-card-inner);
  border-bottom: 3px solid var(--wood-dark);
  box-shadow: 0 3px 0 rgba(98,64,57,0.08);
  position: relative;
  z-index: 20;
}

.game-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-card);
  border: 2.5px solid var(--wood-dark);
  border-radius: var(--radius-pill);
  color: var(--wood-dark);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem 0.3rem 0.6rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  flex-shrink: 0;
  box-shadow: 0 3px 0 rgba(98,64,57,0.18);
}

.game-back-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(98,64,57,0.22);
}

.game-back-btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 rgba(98,64,57,0.18);
}

.game-title-block {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.game-level-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--warm-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.game-stat-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.gstat-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--warm-700);
  background: rgba(98,64,57,0.07);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
}

.gstat-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--sand);
  flex-shrink: 0;
}

.game-toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.toolbar-coins {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-yellow);
  border: 1.5px solid var(--accent-yellow-dark);
  border-radius: var(--radius-pill);
  padding: 2px 8px 2px 5px;
  font-weight: 800;
  font-size: 0.7rem;
  color: #6b4a00;
  box-shadow: 0 2px 0 var(--accent-yellow-dark);
}

/* ── Game body (board + sidebar) ──────────── */
.game-body {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

/* ── Board wrap ───────────────────────────── */
.board-wrap {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: transparent;
  position: relative;
}

/* Decorative inner ring */
.board-wrap::before {
  content: '';
  position: absolute;
  inset: 12px;
  border: 2px dashed rgba(98,64,57,0.10);
  border-radius: 22px;
  pointer-events: none;
}

#game-canvas {
  display: block;
  border-radius: 16px;
  cursor: grab;
  border: 3px solid var(--wood-dark);
  box-shadow:
    0 8px 0 rgba(98,64,57,0.18),
    0 16px 40px rgba(98,64,57,0.12);
  position: relative;
  z-index: 1;
  max-width: 100%;
  max-height: 100%;
}

#game-canvas:active {
  cursor: grabbing;
}

/* ── Sidebar ──────────────────────────────── */
.game-sidebar {
  width: 176px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-card-inner);
  border-left: 3px solid var(--wood-dark);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-section {
  padding: 14px 14px 12px;
}

.sidebar-divider {
  border: none;
  border-top: 2px solid rgba(98,64,57,0.12);
  margin: 0;
}

/* Reference panel */
.ref-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ref-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--warm-500);
}

#preview-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 2.5px solid var(--wood-dark);
  box-shadow: 0 4px 0 rgba(98,64,57,0.15);
  background: #fff8f0;
}

/* Sidebar stats */
.sidebar-stats {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.sidebar-stat {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--warm-800);
}

.sidebar-stat svg {
  color: var(--warm-500);
  flex-shrink: 0;
}

/* Powerup section */
.sidebar-section-label {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--warm-500);
  margin-bottom: 8px;
}

.sidebar-powerups {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.powerup-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  background: var(--bg-card);
  border: 2.5px solid var(--wood-dark);
  border-radius: var(--radius-md);
  padding: 7px 10px;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--warm-900);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  box-shadow: 0 3px 0 rgba(98,64,57,0.18);
  position: relative;
}

.powerup-btn:hover:not(:disabled) {
  background: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(98,64,57,0.22);
}

.powerup-btn:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: 0 1px 0 rgba(98,64,57,0.18);
}

.powerup-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.powerup-btn svg {
  color: var(--wood-dark);
  flex-shrink: 0;
}

.powerup-label {
  flex: 1;
  text-align: left;
}

.powerup-count {
  background: var(--accent-yellow);
  border: 1.5px solid var(--accent-yellow-dark);
  border-radius: var(--radius-pill);
  padding: 0 6px;
  font-size: 0.68rem;
  font-weight: 800;
  color: #6b4a00;
  min-width: 20px;
  text-align: center;
}

.powerup-btn.powerup-autosolve {
  background: rgba(232,97,77,0.08);
  border-color: var(--accent);
}

.powerup-btn.powerup-autosolve svg {
  color: var(--accent);
}

/* Freeze active indicator */
.powerup-btn.freeze-active {
  background: rgba(125, 211, 232, 0.15);
  border-color: #7dd3e8;
  animation: freezePulse 1s ease-in-out infinite alternate;
}

@keyframes freezePulse {
  from { box-shadow: 0 3px 0 rgba(125,211,232,0.3); }
  to   { box-shadow: 0 3px 12px rgba(125,211,232,0.6); }
}



/* Shop modal */
.shop-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(46, 24, 71, 0.55);
  z-index: 120;
  padding: 1rem;
}

.shop-modal.active { display: flex; }

.shop-card {
  width: min(920px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-card-inner);
  border: 4px solid var(--wood-dark);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.shop-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.15rem;
}

.shop-close {
  border: none;
  background: transparent;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--wood-dark);
}

.shop-subtitle {
  margin: 0 0 0.75rem;
  color: var(--warm-400);
  font-size: 0.82rem;
}

/* New layout: grid is now a column of category sections */
.shop-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.shop-category-header {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--warm-400);
  padding: 0.5rem 0 0.25rem;
  border-top: 1px solid var(--cream-dark);
  margin-top: 0.25rem;
}

.shop-items-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.shop-item {
  border: 2px solid var(--wood-dark);
  border-radius: 12px;
  padding: 0.6rem 0.75rem;
  background: rgba(255,255,255,0.55);
  flex: 0 0 calc(20% - 0.55rem);
  min-width: 140px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.shop-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(98,64,57,0.12);
}

.shop-item.equipped-item {
  border-color: var(--accent);
  background: rgba(232,97,77,0.06);
}

.shop-item.cant-afford {
  opacity: 0.55;
}

.shop-item h4 {
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
  color: var(--warm-900);
}

.shop-item p {
  font-size: 0.7rem;
  color: var(--warm-400);
  min-height: 28px;
  line-height: 1.4;
}

.shop-item .shop-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.4rem;
}

.shop-cost {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--wood-dark);
}

.shop-item button {
  border: 2px solid var(--wood-dark);
  background: var(--accent-yellow);
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  font-weight: 700;
  font-size: 0.72rem;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.1s;
}

.shop-item button:hover { transform: scale(1.05); }
.shop-item button.owned { background: var(--accent-green); }
.shop-item button.equipped { background: var(--accent-cyan); }

.board-panel.cosmetic-gold-frame canvas {
  border: 3px solid #f7c948;
}

.board-panel.cosmetic-neon-glow canvas {
  box-shadow: 0 0 22px rgba(129, 140, 248, 0.7), var(--shadow-md);
}

.board-panel.cosmetic-wood-frame canvas {
  border: 4px solid #8b5e3c;
  box-shadow: 0 0 0 2px #c9954b, var(--shadow-md);
}

.board-panel.cosmetic-icy-frame canvas {
  border: 3px solid #7dd3e8;
  box-shadow: 0 0 14px rgba(125, 211, 232, 0.55), var(--shadow-md);
}

/* Skins: cherry + slate */
body[data-skin="cherry"] {
  --bg-page: #fceef2;
  --bg-card-inner: #fff0f5;
  --accent-glow: rgba(241, 140, 180, 0.35);
}

body[data-skin="slate"] {
  --bg-page: #e8edf4;
  --bg-card-inner: #f0f4f9;
  --accent-glow: rgba(100, 130, 180, 0.3);
}

/* ============================================
   LEVEL END PANELS (WIN/FAIL)
   ============================================ */
#win-screen, #fail-screen {
  z-index: 100;
  display: flex !important;
  opacity: 0;
  pointer-events: none;
  background: rgba(46, 24, 71, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: opacity 0.3s ease;
  align-items: center;
  justify-content: center;
}

#win-screen.active, #fail-screen.active {
  opacity: 1;
  pointer-events: auto;
}

/* Confetti canvas layer */
.confetti-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.level-end-card {
  background: var(--bg-card-inner);
  border: 6px solid var(--wood-dark);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 8px var(--bg-card), 0 16px 0 rgba(98, 64, 57, 0.15);
  position: relative;
  width: 90%;
  max-width: 400px;
  padding: 42px 24px 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: scale(0.9) translateY(20px);
  transition: all 0.4s var(--bounce);
  z-index: 1;
}

.active .level-end-card {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.level-end-title-pill {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--border-thick);
  border-radius: var(--radius-pill);
  padding: 12px 32px;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--wood-dark);
  text-transform: uppercase;
  z-index: 2;
  white-space: nowrap;
}

.level-end-title-pill.success {
  background: var(--accent-green);
  box-shadow: inset 0 -6px 0 var(--accent-green-dark);
}

.level-end-title-pill.fail {
  background: var(--accent-red);
  box-shadow: inset 0 -6px 0 var(--accent-red-dark);
  color: var(--bg-row);
}

.stars-container {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.star-icon {
  width: 56px;
  height: 56px;
  background: #959595;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  transform: scale(0);
}

.star-icon.filled {
  background: var(--accent-yellow);
}

.star-icon.shadowed {
  filter: drop-shadow(0 4px 0 rgba(98, 64, 57, 0.2));
}

.stats-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.stat-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-label {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text-main);
  text-transform: uppercase;
}
.level-end-card.fail-card .stat-label {
  color: var(--bg-row);
}

.stat-value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
}
.level-end-card.fail-card .stat-value {
  color: var(--white);
}

.coin-reward {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--wood-dark);
  margin-top: 12px;
}
.level-end-card.fail-card .coin-reward {
  display: none;
}

.coin-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-yellow);
  border: 4px solid var(--wood-dark);
  border-radius: 50%;
  box-shadow: inset 0 -6px 0 var(--accent-yellow-dark);
  position: relative;
}
.coin-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-yellow-dark);
}

/* Fail card uses dark background */
.level-end-card.fail-card {
  background: var(--wood-dark);
  box-shadow: inset 0 0 0 8px #482a24, 0 16px 0 rgba(0,0,0,0.2);
}

.fail-heart {
  width: 80px;
  height: 80px;
  margin-bottom: 24px;
  position: relative;
}
.fail-heart::before, .fail-heart::after {
  content: '';
  position: absolute;
  top: 0;
  width: 40px;
  height: 60px;
  background: var(--accent-red);
  border-radius: 40px 40px 0 0;
  box-shadow: inset 0 -6px 0 var(--accent-red-dark);
}
.fail-heart::before {
  left: 40px;
  transform: rotate(-45deg);
  transform-origin: 0 100%;
}
.fail-heart::after {
  left: 0;
  transform: rotate(45deg);
  transform-origin: 100% 100%;
}
.fail-heart .crack {
  position: absolute;
  left: 50%;
  top: 10%;
  height: 80%;
  width: 4px;
  background: var(--wood-dark);
  transform: translateX(-50%);
  z-index: 2;
  clip-path: polygon(0 0, 100% 10%, 60% 50%, 100% 60%, 20% 100%, 0 90%, 50% 50%, 0 40%);
}

.level-end-actions {
  position: absolute;
  bottom: -24px;
  display: flex;
  justify-content: center;
  width: 100%;
}

/* Buttons */
.btn-game {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 900;
  font-size: 1.1rem;
  cursor: pointer;
  border: 3px solid var(--wood-dark);
  transition: transform 0.1s, box-shadow 0.1s;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-game:active {
  transform: translateY(4px);
  box-shadow: inset 0 -2px 0 rgba(0,0,0,0.15);
}

.btn-primary-game {
  background: var(--accent-green);
  color: var(--wood-dark);
  box-shadow: inset 0 -6px 0 var(--accent-green-dark);
}

.btn-primary-game:hover {
  transform: translateY(-2px);
}

.btn-outline-game {
  background: var(--accent-cyan);
  color: var(--wood-dark);
  box-shadow: inset 0 -6px 0 var(--accent-cyan-dark);
}

.btn-outline-game:hover {
  transform: translateY(-2px);
}

/* Shared animation */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .game-shell {
    padding: 12px;
  }

  .board-panel {
    width: 100%;
    height: min(calc(100vh - 190px), 620px);
    padding: 12px;
    border-radius: 22px;
  }

  .floating-ref {
    position: static;
    width: 100%;
    max-width: 220px;
    margin-top: 12px;
  }

  .game-stage {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 640px) {
  .game-toolbar {
    height: auto;
    min-height: 60px;
    padding: 10px 12px;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .game-info {
    order: -1;
    width: 100%;
    text-align: left;
  }

  .game-stats {
    width: 100%;
    justify-content: space-between;
    padding-right: 0;
  }

  .board-panel {
    height: min(calc(100vh - 250px), 520px);
  }

  .floating-ref {
    max-width: none;
    width: 100%;
  }

  .ref-label {
    writing-mode: initial;
    transform: none;
  }
}

@media (max-width: 560px) {
  .menu-header {
    padding: 2.5rem 1rem 1rem;
  }

  .game-logo {
    font-size: 1.5rem;
  }

  .category-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 0 1rem 2rem;
  }

  .cat-thumbnail {
    height: 100px;
  }

  .level-grid {
    gap: 0.625rem;
    padding: 0 1rem 2rem;
  }

  .menu-float-tile {
    display: none;
  }

  .win-title {
    font-size: 1.4rem;
  }

  .win-stat-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 400px) {
  .category-grid { grid-template-columns: 1fr; }
}