/* Sahara Desert Chic with Playfair Display */
:root {
  --sand: #f4ead7;
  --dune: #e6d3b4;
  --amber: #c69c6d;
  --gold: #b8860b;
  --dark-gold: #9a7509;
  --ink: #3a2c20;
  --paper: #fffaf2;
  --accent: #7a5a2e;
  --found: #b8860b22;
  --focus: #b8860b66;
}

/* Dark mode - deep gray with gold accents */
body.dark {
  --sand: #1a1a1a;
  --dune: #2d2d2d;
  --paper: #2a2a2a;
  --ink: #ffffff;
  --found: #b8860b44;
  background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: linear-gradient(135deg, var(--sand), var(--dune));
  min-height: 100vh;
  transition: all 0.3s ease;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
}

/* Header & Controls */
header {
  text-align: center;
  padding: 1.5rem 1rem 1rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: 2.5rem;
  letter-spacing: 0.5px;
  color: var(--accent);
}

.controls {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.toggle, #resetBtn {
  background: var(--amber);
  color: white;
  border: none;
  border-radius: 25px;
  padding: 0.75rem 1.5rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.toggle:hover, #resetBtn:hover {
  background: var(--gold);
  transform: translateY(-2px);
}

.toggle.active, #resetBtn:active {
  background: var(--dark-gold);
  transform: translateY(0);
}

/* Main App Layout */
.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem;
  min-height: 60vh;
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Game Area */
.game-area {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* Legend/Word List */
.legend {
  background: var(--paper);
  border: 2px solid var(--dune);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.legend h2 {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 1.4rem;
}

.word-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.word-list li {
  margin: 0.5rem 0;
  padding: 0.75rem;
  border-radius: 10px;
  border-left: 4px solid transparent;
  transition: all 0.3s ease;
}

.word-list li.found {
  background: var(--found);
  border-left-color: var(--gold);
  text-decoration: line-through;
  color: var(--gold);
}

.word-list a {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}

.word-list a:hover {
  text-decoration: underline;
}

/* Grid Layout */
.grid-wrap {
  position: relative;
  transition: all 0.3s ease;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3px;
  background: var(--dune);
  padding: 12px;
  border-radius: 16px;
  border: 3px solid var(--amber);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  min-width: 400px;
}

.cell {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border-radius: 6px;
  font-weight: 800;
  font-size: 1.1rem;
  aspect-ratio: 1;
  min-height: 35px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

body.dark .cell {
  background: #333;
  color: #fff;
}

.cell.selected {
  background: linear-gradient(135deg, #fff7e7, #fff0d6);
  transform: scale(1.05);
  z-index: 2;
}

body.dark .cell.selected {
  background: linear-gradient(135deg, #4a4035, #3a3229);
}

.cell.found {
  background: var(--found);
  color: var(--ink);
  animation: cellFound 0.6s ease;
}

body.dark .cell.found {
  background: #3a3118;
  color: #fcefb4;
}

.cell.found::after {
  content: "";
  position: absolute;
  inset: 2px;
  border: 2px solid var(--gold);
  border-radius: 4px;
  animation: goldPulse 2s infinite;
}

@keyframes cellFound {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes goldPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* Finale Styles */
.finale {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--sand);
  border-radius: 16px;
  opacity: 0;
  visibility: hidden;
  z-index: 20;
  transition: all 2.5s ease;
  overflow: hidden;
  text-align: center;
  padding: 2rem;
}

.finale.show {
  opacity: 1;
  visibility: visible;
}

.finale img {
  width: min(90%, 300px);
  border-radius: 16px;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 2.5s ease, transform 2.5s ease;
  margin-bottom: 2rem;
  border: 3px solid var(--gold);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.finale.show img {
  opacity: 1;
  transform: scale(1);
}

.finale h3 {
  color: var(--ink);
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  margin: 0;
  max-width: 400px;
  line-height: 1.4;
}

.gold-shimmer {
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(184,134,11,0.3), transparent);
  transform: skewX(-20deg);
  animation: shimmer 3s infinite;
  pointer-events: none;
}

@keyframes shimmer {
  0% { left: -150%; }
  50%, 100% { left: 150%; }
}

/* Fade out animation */
@keyframes fadeGold {
  0% { opacity: 1; filter: brightness(1); }
  50% { opacity: 0.6; filter: brightness(1.3); }
  100% { opacity: 0; filter: brightness(1.8); }
}

@keyframes speckle {
  0% { background-position: 0 0, 0 0; opacity: 1; }
  100% { background-position: 200px 200px, -200px -200px; opacity: 0; }
}

.grid-wrap.fade-out {
  animation: fadeGold 2.8s ease forwards;
  position: relative;
}

.grid-wrap.fade-out::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(184,134,11,0.8) 1px, transparent 1px),
    radial-gradient(rgba(230,195,104,0.8) 1px, transparent 1px);
  background-size: 4px 4px, 6px 6px;
  animation: speckle 2.8s ease forwards;
  pointer-events: none;
  z-index: 10;
}

/* Footer */
footer {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--accent);
  font-style: italic;
  margin-top: 2rem;
  font-family: 'Inter', sans-serif;
}

/* Hint System */
.hint-active {
  animation: hintPulse 1s ease-in-out;
}

@keyframes hintPulse {
  0%, 100% { background: var(--paper); }
  50% { background: var(--gold); color: white; }
}

/* Responsive Design */
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  .app {
    padding: 0.5rem;
  }
  
  .grid {
    min-width: 300px;
    padding: 8px;
  }
  
  .cell {
    min-height: 28px;
    font-size: 1rem;
  }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, :before, :after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}