/* Mines Game Styling - Consistent with Plinko */
:root {
  --card-bg: rgba(255, 255, 255, 0.05);
  --accent: #c6ff00;
}

html {
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  background-color: #14151f;
  color: #fff;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.container {
  width: 100%;
  max-width: 650px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1em;
}

.header h1 {
  font-size: 1.8em;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.back-link {
  color: #fff;
  text-decoration: none;
  font-size: 1em;
  line-height: 1;
  transition: all 0.2s;
  opacity: 0.7;
  display: flex;
  align-items: center;
}

.back-link:hover {
  opacity: 1;
  color: var(--accent);
  transform: translateX(-2px);
}

.balance-display {
  font-size: 1.2em;
  font-weight: 600;
  color: #00ff00;
}

button {
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  opacity: 0.8;
}

button:hover {
  opacity: 1;
}

button:active {
  opacity: 0.8;
}

.controls {
  background: var(--card-bg);
  padding: 16px;
  border-radius: 12px;
  display: grid;
  grid-template-columns: auto auto auto auto;
  grid-template-rows: auto auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.controls label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  white-space: nowrap;
}

.controls input[type="number"],
.controls input[type="range"] {
  width: 100px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}

.controls input[type="range"] {
  width: 80px;
}

.controls input:focus {
  outline: none;
  border-color: var(--accent);
}

.controls button {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s;
  white-space: nowrap;
}

#start-game {
  background: var(--accent);
  color: #000;
}

#start-game:hover {
  background: #00ff00;
  transform: translateY(-1px);
}

#cash-out {
  background: #ffa726;
  color: #000;
}

#cash-out:hover:not(:disabled) {
  background: #ff9800;
  transform: translateY(-1px);
}

#cash-out:disabled {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.3);
  cursor: not-allowed;
  opacity: 0.5;
}

#reset-btn {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  grid-column: 1;
  grid-row: 2;
  justify-self: flex-start;
}

#reset-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.controls span {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.message {
  color: #ffd166;
  font-size: 14px;
  text-align: right;
  min-height: 20px;
  grid-column: 2 / 5;
  grid-row: 2;
  justify-self: flex-end;
}

/* Secondary Controls */
.secondary-controls {
  background: var(--card-bg);
  padding: 12px 16px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

#random-btn {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s;
  background: #9c27b0;
  color: #fff;
}

#random-btn:hover:not(:disabled) {
  background: #ba68c8;
  transform: translateY(-1px);
}

#random-btn:disabled {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.3);
  cursor: not-allowed;
  opacity: 0.5;
}

/* Toggle Switch */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  display: none;
}

.toggle-slider {
  position: relative;
  width: 48px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  transition: background 0.3s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px;
  left: 3px;
  transition: transform 0.3s;
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider {
  background: var(--accent);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider::before {
  transform: translateX(24px);
}

.toggle-text {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: linear-gradient(135deg, #1e1e2e 0%, #2a2a3e 100%);
  padding: 32px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.1);
  min-width: 320px;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-content h2 {
  margin: 0 0 8px 0;
  font-size: 24px;
  color: #fff;
}

.modal-content p {
  margin: 0 0 24px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.rounds-options {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
}

.round-btn {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
}

.round-btn:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(198, 255, 0, 0.3);
}

.round-btn:active {
  transform: translateY(-2px);
}

.cancel-btn {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.cancel-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.footer {
  margin-top: 2em;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85em;
}

/* Game Board */
.game-board {
  margin-top: 1em;
  display: flex;
  justify-content: center;
  align-items: center;
}

.game-board-grid {
  display: grid;
  grid-template-columns: repeat(5, 60px);
  grid-gap: 10px;
  perspective: 1000px; /* Enable 3D perspective */
}

/* Flip Card Container */
.flip-card {
  width: 60px;
  height: 60px;
  cursor: pointer;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

/* Trigger flip on click */
.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

/* Front and Back Faces */
.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  border-radius: 8px;
  user-select: none;
  border: 2px solid #444;
}

/* Front Face (Hidden Card) */
.flip-card-front {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: rgba(255, 255, 255, 0.8);
  font-weight: bold;
  font-size: 28px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.flip-card:hover .flip-card-front {
  background: linear-gradient(135deg, #7b8ff0 0%, #8a5bb8 100%);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

/* Back Face (Revealed Content) */
.flip-card-back {
  background-color: #333;
  transform: rotateY(180deg);
  font-size: 32px;
}

/* Mine (Red) */
.flip-card-back.mine {
  background: linear-gradient(135deg, #ff4757 0%, #c0392b 100%);
  animation: shake 0.5s;
  box-shadow: 0 0 20px rgba(255, 71, 87, 0.6);
}

/* Safe (Green) */
.flip-card-back.safe {
  background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
  animation: pulse 0.5s;
  box-shadow: 0 0 20px rgba(46, 204, 113, 0.6);
}

/* Dimmed (Unrevealed Safe Cells) */
.flip-card-back.dimmed {
  opacity: 0.5;
  background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
  box-shadow: none;
}

/* Shake Animation for Mines */
@keyframes shake {
  0%, 100% { transform: rotateY(180deg) translateX(0); }
  25% { transform: rotateY(180deg) translateX(-5px); }
  75% { transform: rotateY(180deg) translateX(5px); }
}

/* Pulse Animation for Safe Cells */
@keyframes pulse {
  0%, 100% { transform: rotateY(180deg) scale(1); }
  50% { transform: rotateY(180deg) scale(1.05); }
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
  .header h1 {
    font-size: 1.3em;
  }

  .controls {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto auto auto;
    gap: 8px;
  }

  .controls label {
    font-size: 12px;
  }

  .controls input {
    width: 100%;
  }

  .controls button {
    width: 100%;
  }

  #reset-btn {
    grid-column: 1;
    grid-row: 5;
    justify-self: stretch;
  }

  .message {
    grid-column: 1;
    grid-row: 6;
    text-align: center;
    justify-self: stretch;
  }

  .secondary-controls {
    flex-direction: row;
    gap: 12px;
  }

  #random-btn {
    width: 100%;
  }

  .toggle-label {
    width: 100%;
    justify-content: center;
  }

  .game-board-grid {
    grid-template-columns: repeat(5, 50px);
    grid-gap: 8px;
  }

  .flip-card {
    width: 50px;
    height: 50px;
  }

  .flip-card-front,
  .flip-card-back {
    font-size: 20px;
  }

  .flip-card-front {
    font-size: 22px;
  }

  .flip-card-back {
    font-size: 26px;
  }
}

@media (max-width: 390px) {
  .game-board-grid {
    grid-template-columns: repeat(5, 45px);
    grid-gap: 6px;
  }

  .flip-card {
    width: 45px;
    height: 45px;
  }

  .flip-card-front,
  .flip-card-back {
    font-size: 18px;
  }

  .flip-card-front {
    font-size: 20px;
  }

  .flip-card-back {
    font-size: 24px;
  }
}