minesweeper-game-card,
minesweeper-card {
  display: flex;
  justify-content: center;
  flex: 0 1 auto;
}

minesweeper-game-card .game-card,
minesweeper-card .game-card {
  width: 100%;
  max-width: 460px;
  box-sizing: border-box;
  background-color: var(--bg-card-body);
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

minesweeper-game-card .game-body,
minesweeper-card .game-body {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 520px;
  padding: 20px;
  box-sizing: border-box;
  gap: 10px;
  overflow: hidden;
}

.mine-title {
  font-size: 0.95rem;
}

.mine-help-label {
  font-size: 0.8rem;
  font-weight: bold;
  margin-top: 10px;
  margin-bottom: 6px;
  color: var(--color-accent, #d1db9e);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.minesweeper-grid {
  display: grid;
  grid-template-columns: repeat(9, 36px);
  grid-template-rows: repeat(9, 36px);
  gap: 4px;
  margin: 4px 0 2px 0;
  background-color: rgba(30, 35, 25, 0.6);
  padding: 8px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mine-cell {
  width: 36px;
  height: 36px;
  background-color: var(--color-control, #b4c5a8);
  border: 1px solid #5b6952;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: bold;
  color: #242a1f;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.mine-cell:hover {
  background-color: var(--color-control-hover, #c4d5b8);
  border-color: var(--color-accent, #5b6951);
}

.mine-cell:focus-visible {
  outline: 2px solid var(--color-accent, #d1db9e);
  outline-offset: 1px;
}

.mine-cell.revealed {
  background-color: #242a1f;
  border-color: rgba(255, 255, 255, 0.05);
  cursor: default;
}

.mine-cell.flagged {
  color: #e74c3c;
}

.mine-cell .question-symbol {
  font-weight: bold;
  font-size: 16px;
  color: #fff;
}

.mine-cell[data-value="1"] { color: #8cb8d0; }
.mine-cell[data-value="2"] { color: #98cb8d; }
.mine-cell[data-value="3"] { color: #e2c07d; }
.mine-cell[data-value="4"] { color: #d08c8c; }
.mine-cell[data-value="5"] { color: #cb8dc8; }
.mine-cell[data-value="6"] { color: #8dcbc8; }
.mine-cell[data-value="7"] { color: #f0f0f0; }
.mine-cell[data-value="8"] { color: #b0b0b0; }

#restartMineBtn, #mineSizeToggleBtn {
  width: 100%;
  max-width: 260px;
  margin-top: 20px;
}

.mine-cell.chord-peek {
  background-color: #242a1f !important;
  box-shadow: none !important;
  border: 1px solid #3b4432 !important;
}

minesweeper-game-card .game-help-overlay,
minesweeper-card .game-help-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-card-body);
  border-radius: 20px;
  z-index: 50;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

minesweeper-game-card .game-help-overlay.active,
minesweeper-card .game-help-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@keyframes boardShake {
  0% { transform: translate(1px, 1px) rotate(0deg); }
  20% { transform: translate(-3px, 0px) rotate(-1deg); }
  40% { transform: translate(3px, 2px) rotate(1deg); }
  60% { transform: translate(-1px, -1px) rotate(0deg); }
  80% { transform: translate(1px, 2px) rotate(-1deg); }
  100% { transform: translate(0px, 0px) rotate(0deg); }
}

.board-shake {
  animation: boardShake 0.4s ease;
}

@media (max-width: 768px) {
  .minesweeper-grid {
    grid-template-columns: repeat(9, minmax(30px, 34px));
    grid-template-rows: repeat(9, minmax(30px, 34px));
    gap: 3px;
  }
  .mine-cell {
    width: auto;
    height: auto;
    font-size: 0.8rem;
  }
}

@media (max-width: 380px) {
  .minesweeper-grid {
    grid-template-columns: repeat(9, 30px);
    grid-template-rows: repeat(9, 30px);
    gap: 2px;
    padding: 6px;
  }
  .mine-cell {
    width: 30px;
    height: 30px;
    font-size: 0.75rem;
  }
}

/* RETRO LED SCREEN */
minesweeper-card .arcade-marquee-screen,
minesweeper-game-card .arcade-marquee-screen {
  background-color: #0d1109;
  border: 2px solid #3b4432;
  border-radius: 6px;
  padding: 6px 0;
  width: 100%;
  max-width: 300px;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.8), 0 0 5px rgba(181, 190, 138, 0.2);
  text-align: center;
  box-sizing: border-box;
  margin-top: -10px;
  margin-bottom: 5px;
  overflow: hidden;
  position: relative;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

/* Base Text */
minesweeper-card .arcade-marquee-text,
minesweeper-game-card .arcade-marquee-text {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.65rem;
  color: #ff4d4d;
  text-shadow: 0 0 8px #ff0000, 0 0 15px #ff0000, 0 0 25px #ff0000;
  letter-spacing: 0.5px;
  white-space: nowrap;
  display: block;
  width: 100%;
  
  animation: marqueeScroll 6s linear infinite;
}

/* 🏆 Win State */
minesweeper-card .arcade-marquee-screen.win-state .arcade-marquee-text,
minesweeper-game-card .arcade-marquee-screen.win-state .arcade-marquee-text {
  color: #ffd700;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.9);
  animation: retroRiseIn 0.8s ease-out forwards, goldGlowPulse 1.5s infinite alternate ease-in-out 0.8s;
}

/* 💥 Game Over State */
minesweeper-card .arcade-marquee-screen.game-over-state .arcade-marquee-text,
minesweeper-game-card .arcade-marquee-screen.game-over-state .arcade-marquee-text {
  color: #e74c3c;
  text-shadow: 0 0 8px rgba(231, 76, 60, 0.9);
  animation: retroRiseIn 0.5s ease-out forwards, redBlink 0.4s infinite alternate 0.5s;
}

/* 🚩 Flag Placed State */
minesweeper-card .arcade-marquee-screen.flag-state .arcade-marquee-text,
minesweeper-game-card .arcade-marquee-screen.flag-state .arcade-marquee-text {
  color: var(--color-accent, #d1db9e);
  text-shadow: 0 0 8px rgba(209, 219, 158, 0.8);
  animation: retroRiseIn 0.4s ease-out forwards;
}

/* Active Gameplay State */
minesweeper-card .arcade-marquee-screen.active-state .arcade-marquee-text,
minesweeper-game-card .arcade-marquee-screen.active-state .arcade-marquee-text {
  animation: none;
  color: #39ff14;
  transform: none;
}

/* --- Keyframe Animations --- */

/* 1. Horizontal Scroll for Start Screen (Right to Left) */
@keyframes marqueeScroll {
  0% { 
    transform: translate3d(100%, 0, 0); 
  }
  100% { 
    transform: translate3d(-100%, 0, 0); 
  }
}

/* 2. Slow Motion Vertical Rise */
@keyframes retroRiseIn {
  0% {
    opacity: 0;
    transform: translate3d(0, 120%, 0);
  }
  60% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* 3. Gold Glow Effect */
@keyframes goldGlowPulse {
  0% { text-shadow: 0 0 5px rgba(255, 215, 0, 0.6); }
  100% { text-shadow: 0 0 12px rgba(255, 215, 0, 1); }
}

/* 4. Red Game Over Blink */
@keyframes redBlink {
  from { opacity: 1; }
  to { opacity: 0.2; }
}