/**
 * Extreme Karaoke Theme - Traditional karaoke box style with alternating lines
 * This mimics the classic Thai karaoke box experience
 */

.kar-lyric-container.kar-theme-extreme-karaoke {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 3rem;
  gap: 2rem;
  min-height: 300px;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);
  border-radius: 1rem;
  box-shadow: 
    0 10px 40px rgba(0, 0, 0, 0.4),
    inset 0 0 100px rgba(255, 255, 255, 0.05);
  font-family: 'Kanit', 'Arial Black', 'Impact', sans-serif;
  position: relative;
  overflow: hidden;
}

/* Animated background effect */
.kar-theme-extreme-karaoke::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  animation: pulse-bg 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse-bg {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

/* Line container for extreme mode */
.kar-theme-extreme-karaoke .kar-lyric-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 90%;
  padding: 1.5rem 2rem;
  border-radius: 0.75rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  line-height: 1.5;
  position: relative;
  min-height: 5rem;
}

/* Top line (first line in pair) */
.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(1) {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(37, 99, 235, 0.15) 100%);
  border: 2px solid rgba(59, 130, 246, 0.3);
  box-shadow: 
    0 4px 20px rgba(59, 130, 246, 0.2),
    inset 0 2px 10px rgba(59, 130, 246, 0.1);
}

/* Bottom line (second line in pair) */
.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(2) {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.2) 0%, rgba(202, 138, 4, 0.15) 100%);
  border: 2px solid rgba(234, 179, 8, 0.3);
  box-shadow: 
    0 4px 20px rgba(234, 179, 8, 0.2),
    inset 0 2px 10px rgba(234, 179, 8, 0.1);
}

/* When top line is current/active */
.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(1).kar-line-current {
  transform: scale(1.05);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.4) 0%, rgba(37, 99, 235, 0.3) 100%);
  border-color: rgba(59, 130, 246, 0.8);
  box-shadow: 
    0 8px 30px rgba(59, 130, 246, 0.5),
    0 0 40px rgba(59, 130, 246, 0.3),
    inset 0 2px 20px rgba(59, 130, 246, 0.2);
}

/* When bottom line is current/active */
.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(2).kar-line-current {
  transform: scale(1.05);
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.4) 0%, rgba(202, 138, 4, 0.3) 100%);
  border-color: rgba(234, 179, 8, 0.8);
  box-shadow: 
    0 8px 30px rgba(234, 179, 8, 0.5),
    0 0 40px rgba(234, 179, 8, 0.3),
    inset 0 2px 20px rgba(234, 179, 8, 0.2);
}

/* Next/inactive state */
.kar-theme-extreme-karaoke .kar-lyric-line.kar-line-next {
  opacity: 0.7;
  transform: scale(0.98);
}

/* Text styling */
.kar-theme-extreme-karaoke .kar-lyric-line {
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
  text-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.8),
    0 4px 12px rgba(0, 0, 0, 0.5),
    0 0 30px rgba(255, 255, 255, 0.3);
}

/* Word styles - gradient fill based on line */
.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(1) .kar-lyric-word {
  display: inline-block;
  position: relative;
  transition: all 0.3s ease;
  white-space: pre-wrap;
  color: rgba(255, 255, 255, 0.8);
}

.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(2) .kar-lyric-word {
  display: inline-block;
  position: relative;
  transition: all 0.3s ease;
  white-space: pre-wrap;
  color: rgba(255, 255, 255, 0.8);
}

/* Active word on top line (blue) */
.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(1) .kar-lyric-word.kar-active {
  background: linear-gradient(180deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.8))
          drop-shadow(0 0 40px rgba(59, 130, 246, 0.4));
  transform: scale(1.1);
  animation: glow-blue 0.3s ease;
}

/* Active word on bottom line (yellow/gold) */
.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(2) .kar-lyric-word.kar-active {
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(251, 191, 36, 0.8))
          drop-shadow(0 0 40px rgba(251, 191, 36, 0.4));
  transform: scale(1.1);
  animation: glow-yellow 0.3s ease;
}

/* Glow animations */
@keyframes glow-blue {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.8))
            drop-shadow(0 0 40px rgba(59, 130, 246, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 30px rgba(59, 130, 246, 1))
            drop-shadow(0 0 60px rgba(59, 130, 246, 0.6));
  }
}

@keyframes glow-yellow {
  0%, 100% {
    filter: drop-shadow(0 0 20px rgba(251, 191, 36, 0.8))
            drop-shadow(0 0 40px rgba(251, 191, 36, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 30px rgba(251, 191, 36, 1))
            drop-shadow(0 0 60px rgba(251, 191, 36, 0.6));
  }
}

/* Wave effect on active line */
.kar-theme-extreme-karaoke .kar-lyric-line.kar-line-current::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 10%;
  right: 10%;
  height: 4px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    currentColor 20%, 
    currentColor 80%, 
    transparent 100%
  );
  border-radius: 2px;
  animation: wave 2s ease-in-out infinite;
}

.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(1).kar-line-current::after {
  background: linear-gradient(90deg, 
    transparent 0%, 
    #3b82f6 20%, 
    #60a5fa 50%,
    #3b82f6 80%, 
    transparent 100%
  );
}

.kar-theme-extreme-karaoke .kar-lyric-line:nth-child(2).kar-line-current::after {
  background: linear-gradient(90deg, 
    transparent 0%, 
    #f59e0b 20%, 
    #fbbf24 50%,
    #f59e0b 80%, 
    transparent 100%
  );
}

@keyframes wave {
  0%, 100% {
    opacity: 0.6;
    transform: scaleX(1);
  }
  50% {
    opacity: 1;
    transform: scaleX(1.05);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .kar-theme-extreme-karaoke {
    padding: 2rem 1.5rem;
    gap: 1rem;
  }
  
  .kar-theme-extreme-karaoke .kar-lyric-line {
    font-size: 1.8rem;
    padding: 1rem 1.5rem;
    min-height: 4rem;
  }
}

/* Print styles */
@media print {
  .kar-theme-extreme-karaoke {
    background: white !important;
    box-shadow: none !important;
  }
  
  .kar-theme-extreme-karaoke::before {
    display: none;
  }
  
  .kar-theme-extreme-karaoke .kar-lyric-line {
    border: 1px solid #ccc !important;
    background: white !important;
    color: black !important;
  }
}