:root {
  --cell-size: min(
    calc((100vh - 100px) / 7),
    calc((100vw - 30px) / 7),
    80px
  );
  --peg-size: calc(var(--cell-size) * 0.85);
  --board-padding: max(10px, calc(var(--cell-size) * 0.1));
  --gap-size: max(2px, calc(var(--cell-size) * 0.05));
}

body {
  margin: 0;
  padding: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
  position: fixed;
  width: 100%;
  left: 0;
  top: 0;
}

.game-container {
  background: rgba(0, 0, 0, 0.8);
  padding: var(--board-padding);
  border-radius: max(10px, calc(var(--cell-size) * 0.15));
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-size);
  max-height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
}

.header {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.8));
  padding: calc(var(--board-padding) * 0.6);
  border-radius: calc(var(--cell-size) * 0.1);
  box-sizing: border-box;
  gap: calc(var(--board-padding) * 0.8);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3),
              inset 0 1px 1px rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.controls {
  display: flex;
  gap: calc(var(--board-padding) * 0.4);
  padding: 0 calc(var(--board-padding) * 0.4);
}

.controls button {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: yellow;
  font-size: calc(var(--cell-size) * 0.4);
  cursor: pointer;
  padding: calc(var(--board-padding) * 0.25);
  border-radius: calc(var(--cell-size) * 0.1);
  -webkit-tap-highlight-color: transparent;
  transition: all 0.2s ease;
  width: calc(var(--cell-size) * 0.8);
  height: calc(var(--cell-size) * 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.controls button:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.controls button:active {
  transform: translateY(0);
  box-shadow: none;
}

.timer {
  background: rgba(255, 255, 255, 0.1);
  color: #ffd700;
  font-size: calc(var(--cell-size) * 0.4);
  font-family: monospace;
  padding: calc(var(--board-padding) * 0.25) calc(var(--board-padding) * 0.5);
  border-radius: calc(var(--cell-size) * 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  min-width: calc(var(--cell-size) * 2);
  text-align: center;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.reset-btn {
  background: linear-gradient(to bottom, #4CAF50, #388E3C);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: calc(var(--board-padding) * 0.5);
  border-radius: calc(var(--cell-size) * 0.1);
  font-size: calc(var(--cell-size) * 0.35);
  cursor: pointer;
  transition: all 0.2s ease;
  width: calc(var(--cell-size) * 0.8);
  height: calc(var(--cell-size) * 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  font-size: calc(var(--cell-size) * 0.45);
}

.reset-btn:hover {
  background: linear-gradient(to bottom, #66BB6A, #43A047);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.reset-btn:active {
  transform: translateY(0);
  box-shadow: none;
  background: linear-gradient(to top, #43A047, #2E7D32);
}

#board {
  display: grid;
  grid-template-columns: repeat(7, var(--cell-size));
  gap: var(--gap-size) var(--gap-size);
  padding: var(--board-padding);
  background: rgba(139, 69, 19, 0.2);
  border-radius: calc(var(--cell-size) * 0.15);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
  background-position: right bottom;
}

.cell {
  width: var(--cell-size);
  height: var(--cell-size);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  background: rgba(139, 69, 19, 0.1);
  border: max(2px, calc(var(--cell-size) * 0.03)) solid rgba(139, 69, 19, 0.3);
  position: relative;
  box-sizing: border-box;
}

.peg {
  width: var(--peg-size);
  height: var(--peg-size);
  border-radius: 50%;
  transition: all 0.3s ease;
  cursor: grab;
  touch-action: none;
}

.peg:active {
  cursor: grabbing;
}

/* Sürükleme sırasında taşın görünümünü kopyala */
.dragging-peg {
  position: fixed;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 1000;
  opacity: 0.8;
  transition: none;
  will-change: transform;
  touch-action: none;
  -webkit-touch-callout: none;
  width: var(--peg-size);
  height: var(--peg-size);
}

.peg:active {
  cursor: grabbing;
}

/* Drag icon appearance */
.peg::-webkit-drag-icon,
.peg::-moz-drag-icon {
  border-radius: 50%;
  width: var(--peg-size);
  height: var(--peg-size);
}

.peg.classic {
  background: radial-gradient(circle at 30% 30%, #fff, #ddd, #aaa);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.3),
              inset 0 0 10px rgba(255, 255, 255, 0.8);
}

.peg.marble {
  background: radial-gradient(circle at 30% 30%, #f5f5f5, #e0e0e0, #c2c2c2);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.3),
              inset 0 0 15px rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.peg.neon {
  background: radial-gradient(circle at 30% 30%, #00ff00, #00cc00);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 255, 0, 0.3),
              inset 0 0 20px rgba(255, 255, 255, 0.8),
              0 0 15px rgba(0, 255, 0, 0.6);
  border: 1px solid rgba(0, 255, 0, 0.4);
  animation: neon-pulse 2s infinite;
}

.peg.gold {
  background: radial-gradient(circle at 30% 30%, #ffd700, #daa520, #b8860b);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.3),
              inset 0 0 20px rgba(255, 215, 0, 0.6),
              0 0 10px rgba(255, 215, 0, 0.3);
  border: 1px solid rgba(255, 215, 0, 0.5);
}

.peg.ruby {
  background: radial-gradient(circle at 30% 30%, #ff1744, #d50000);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.3),
              inset 0 0 20px rgba(255, 255, 255, 0.4),
              0 0 15px rgba(255, 0, 0, 0.4);
  border: 1px solid rgba(255, 0, 0, 0.3);
}

.peg.emerald {
  background: radial-gradient(circle at 30% 30%, #00e676, #00c853);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.3),
              inset 0 0 20px rgba(255, 255, 255, 0.4),
              0 0 15px rgba(0, 200, 83, 0.4);
  border: 1px solid rgba(0, 200, 83, 0.3);
}

.peg.crystal {
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.5));
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.2),
              inset 0 0 25px rgba(255, 255, 255, 0.9),
              0 0 15px rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.peg.galaxy {
  background: radial-gradient(circle at 30% 30%, #7b1fa2, #4a148c);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.3),
              inset 0 0 20px rgba(255, 255, 255, 0.4),
              0 0 15px rgba(123, 31, 162, 0.5);
  border: 1px solid rgba(123, 31, 162, 0.4);
  animation: galaxy-sparkle 3s infinite;
}

.peg.wood {
  background: radial-gradient(circle at 30% 30%, #a0522d, #8b4513, #654321);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.3),
              inset 0 0 15px rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(139, 69, 19, 0.3);
}

.peg.pearl {
  background: radial-gradient(circle at 30% 30%, #fff, #f0f0f0, #e0e0e0);
  box-shadow: calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.03) calc(var(--cell-size) * 0.08) rgba(0, 0, 0, 0.2),
              inset 0 0 20px rgba(255, 255, 255, 0.9),
              0 0 15px rgba(255, 255, 255, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.7);
  animation: pearl-shine 4s infinite;
}

.peg.football {
  background: none;
  box-shadow: none;
  border: none;
  position: relative;
}

.peg.football::before {
  content: '⚽';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: calc(var(--cell-size) * 0.5);
}

.peg.basketball {
  background: none;
  box-shadow: none;
  border: none;
  position: relative;
}

.peg.basketball::before {
  content: '🏀';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: calc(var(--cell-size) * 0.5);
}

.empty {
  background: rgba(139, 69, 19, 0.3);
  border: max(2px, calc(var(--cell-size) * 0.03)) solid rgba(139, 69, 19, 0.5);
}

.selected {
  border: max(3px, calc(var(--cell-size) * 0.05)) solid yellow;
  box-sizing: border-box;
}

/* Hide selected border during drag */
.cell.selected[draggable="true"] {
  border-color: transparent;
}

.drag-over {
  border: max(3px, calc(var(--cell-size) * 0.05)) solid lime;
  background: rgba(0, 255, 0, 0.2);
  box-sizing: border-box;
}

.valid-move {
  border: max(3px, calc(var(--cell-size) * 0.05)) solid lime;
  animation: pulse 1s infinite;
  box-sizing: border-box;
}

/* Sürükleme sırasında seçili hücrenin görünümünü gizle */
.cell.selected[draggable="true"] {
  border-color: transparent;
}

.drag-over {
  border: max(3px, calc(var(--cell-size) * 0.05)) solid lime;
  background: rgba(0, 255, 0, 0.2);
}

.disabled {
  background: transparent;
  border: none;
  pointer-events: none;
}

.menu-overlay, .help-overlay, .theme-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.menu-overlay.show, .help-overlay.show, .theme-overlay.show {
  display: flex;
}

.menu-content, .help-content, .theme-content {
  background: rgba(0, 0, 0, 0.9);
  padding: var(--board-padding);
  padding-top: calc(var(--board-padding) * 1.5);
  padding: calc(var(--board-padding) * 0.5);
  border-radius: calc(var(--cell-size) * 0.15);
  color: white;
  width: min(90vw, calc(var(--cell-size) * 7));
  max-height: 80vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.menu-content::-webkit-scrollbar {
  width: 8px;
}

.menu-content::-webkit-scrollbar-track {
  background: transparent;
}

.menu-content::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
}

.menu-content::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

.menu-content h2, .help-content h2, .theme-content h2 {
  color: yellow;
  margin: 0 0 calc(var(--board-padding) * 0.8) 0;
  font-size: calc(var(--cell-size) * 0.4);
  text-align: center;
}

.help-content p {
  font-size: calc(var(--cell-size) * 0.3);
  line-height: 1.5;
  margin: 0;
}

.style-option, .theme-option {
  display: flex;
  flex-direction: column;
  margin-bottom: calc(var(--board-padding) * 0.5);
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--board-padding) * 0.5);
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid transparent;
  border-radius: calc(var(--cell-size) * 0.1);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.style-option:hover, .theme-option:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: yellow;
}

.style-option.active, .theme-option.active {
  border-color: lime;
  background: rgba(0, 255, 0, 0.1);
}

.style-option .style-header {
  display: flex;
  align-items: center;
  gap: calc(var(--board-padding) * 0.3);
  width: 100%;
}

.style-option img {
  width: calc(var(--cell-size) * 0.8);
  height: calc(var(--cell-size) * 0.8);
  border-radius: calc(var(--cell-size) * 0.1);
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.style-option .style-name {
  font-size: calc(var(--cell-size) * 0.3);
  color: white;
  line-height: 1;
  text-align: left;
  margin: calc(var(--board-padding) * 0.3) 0;
  white-space: nowrap;
  flex-grow: 1;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc(var(--board-padding) * 0.5);
  padding: calc(var(--board-padding) * 0.5);
}

.theme-option .peg {
  width: calc(var(--cell-size) * 0.5);
  height: calc(var(--cell-size) * 0.5);
  flex-shrink: 0;
}

.high-score {
  width: 100%;
  padding: calc(var(--board-padding) * 0.3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-sizing: border-box;
}

.high-score-details {
  display: flex;
  flex-direction: column;
  gap: calc(var(--board-padding) * 0.2);
}

.high-score-details div {
  color: #ffd700;
  text-align: center;
  padding: calc(var(--board-padding) * 0.1) 0;
  white-space: nowrap;
}

.high-score-details .remaining-count {
  font-size: calc(var(--cell-size) * 0.35);
  font-weight: bold;
  color: #ffd700;
}

.high-score-details .time-count {
  font-size: calc(var(--cell-size) * 0.25);
  color: #a0a0a0;
}

.high-score-details div:last-child {
  color: #4CAF50;
  font-size: calc(var(--cell-size) * 0.3);
  font-weight: bold;
  text-shadow: 0 0 10px rgba(76,175,80,0.5);
  padding: calc(var(--board-padding) * 0.2) 0;
  margin-top: calc(var(--board-padding) * 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.no-score {
  color: #888;
  font-style: italic;
  text-align: center;
  padding: calc(var(--board-padding) * 0.3);
  font-size: calc(var(--cell-size) * 0.25);
  white-space: nowrap;
}

.score-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #3949ab 100%);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  display: none;
  z-index: 1000;
  min-width: 300px;
  box-shadow: 0 0 30px rgba(0,0,0,0.7),
              inset 0 0 15px rgba(255,255,255,0.1);
  color: white;
  animation: popup-show 0.5s forwards;
  border: 2px solid rgba(255,255,255,0.1);
}

.score-popup.show {
  display: block;
}

@keyframes popup-show {
  from {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

@keyframes popup-show {
  to {
    transform: translate(-50%, -50%) scale(1);
  }
}

.board-preview {
  width: 150px;
  height: 150px;
  margin: 0 auto 15px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border: 3px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(255,255,255,0.2),
              inset 0 0 10px rgba(255,255,255,0.1);
  backdrop-filter: blur(5px);
}

.stars {
  margin: 20px 0;
  font-size: 28px;
  animation: stars-appear 0.5s ease-out forwards;
  opacity: 0;
}

.star {
  margin: 0 2px;
  opacity: 0.3;
  color: gold;
  text-shadow: 0 0 15px rgba(255,215,0,0.8);
  transition: all 0.3s ease;
}

.star.active {
  opacity: 1;
  transform: scale(1.2);
}

.time-result {
  margin: 25px 0;
  font-size: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  color: #fff;
  align-items: center;
  animation: result-appear 0.5s ease-out 0.2s forwards;
  opacity: 0;
}

.trophy {
  font-size: 36px;
  color: gold;
  text-shadow: 0 0 15px rgba(255,215,0,0.8);
  animation: trophy-bounce 1s ease-in-out infinite;
}

.trophy.dartboard {
  color: #4CAF50;
  text-shadow: 0 0 15px rgba(76,175,80,0.8);
}

.remaining-pegs {
  font-size: 28px;
  background: linear-gradient(45deg, #4CAF50, #8BC34A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 15px rgba(76,175,80,0.5);
  font-weight: bold;
}

.popup-buttons {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-top: 30px;
  animation: buttons-appear 0.5s ease-out 0.4s forwards;
  opacity: 0;
}

.replay-btn {
  font-size: 28px;
  padding: 12px 25px;
  border: none;
  background: linear-gradient(45deg, #4CAF50, #8BC34A);
  color: white;
  cursor: pointer;
  border-radius: 8px;
  transition: transform 0.2s, background 0.3s;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 0 10px rgba(76,175,80,0.3);
}

.replay-btn:hover {
  transform: scale(1.1);
  background: linear-gradient(45deg, #43A047, #7CB342);
  box-shadow: 0 0 20px rgba(76,175,80,0.5);
}

@keyframes stars-appear {
  from { 
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes result-appear {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes buttons-appear {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes trophy-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 255, 0, 0.4); }
  70% { box-shadow: 0 0 0 calc(var(--cell-size) * 0.15) rgba(0, 255, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 255, 0, 0); }
}

* {
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

@media (orientation: landscape) {
  :root {
    --cell-size: min(
      calc((100vh - 60px) / 7),
      calc((100vw - 40px) / 8),
      80px
    );
  }
  
  .game-container {
    padding: var(--board-padding);
  }
  
  .header {
    padding: calc(var(--board-padding) * 0.5);
  }
  
  #board {
    padding: var(--board-padding);
  }
}

.ad-container {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 100px;
  background: rgba(0, 0, 0, 0.8);
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5px 0;
  overflow: hidden;
}

#banner-ad {
  width: 320px;
  height: 50px;
  margin: 0 auto;
}

@media (min-width: 728px) {
  .ad-container {
    width: 728px;
    height: 90px;
  }
  
  #banner-ad {
    width: 728px;
    height: 90px;
  }
}

@keyframes neon-pulse {
  0% { box-shadow: 0 0 5px #0f0, 0 0 10px #0f0, 0 0 15px #0f0; }
  50% { box-shadow: 0 0 10px #0f0, 0 0 20px #0f0, 0 0 25px #0f0; }
  100% { box-shadow: 0 0 5px #0f0, 0 0 10px #0f0, 0 0 15px #0f0; }
}

@keyframes explosion {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.explosion {
  position: absolute;
  width: var(--peg-size);
  height: var(--peg-size);
  border-radius: 50%;
  background: radial-gradient(circle, #ffeb3b, #ff9800, #ff5722);
  animation: explosion 0.5s ease-out forwards;
  pointer-events: none;
  z-index: 100;
}

.tutorial-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  padding: 20px;
}

.tutorial-overlay.show {
  display: flex;
}

.tutorial-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.tutorial-image {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 15px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.tutorial-close {
  position: absolute;
  top: -20px;
  right: -20px;
  background: #ff5722;
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.tutorial-close:hover {
  transform: scale(1.1);
  background: #f4511e;
}

.tutorial-button {
  background: linear-gradient(45deg, #4CAF50, #8BC34A);
  border: none;
  color: white;
  padding: 12px 30px;
  border-radius: 8px;
  font-size: calc(var(--cell-size) * 0.35);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 1px;
}

.tutorial-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  background: linear-gradient(45deg, #43A047, #7CB342);
}

.tutorial-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .tutorial-close {
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    font-size: 16px;
  }
}