body {
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 50%, #0c0c0c 100%);
    color: #f1c40f;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    padding: 20px;
}
  
h1 {
    text-shadow: 2px 2px 8px #000000, 0 0 20px #f1c40f;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 300;
}
  
/* Futuristic Device Container */
.device-container {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(145deg, #1e1e1e, #0a0a0a);
    border-radius: 25px;
    padding: 30px;
    position: relative;
    box-shadow: 
      0 0 50px rgba(241, 196, 15, 0.3),
      inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.5);
    border: 2px solid #333;
}
  
/* Device Corner Details */
.device-container::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    width: 30px;
    height: 30px;
    border-left: 2px solid #f1c40f;
    border-top: 2px solid #f1c40f;
    border-radius: 5px 0 0 0;
}
  
.device-container::after {
    content: '';
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 30px;
    height: 30px;
    border-right: 2px solid #f1c40f;
    border-bottom: 2px solid #f1c40f;
    border-radius: 0 0 5px 0;
}
  
/* Status Lights */
.status-lights {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
}
  
.status-light {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #333;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.5);
}
  
.status-light.active {
    background: #f1c40f;
    box-shadow: 0 0 10px #f1c40f, inset 0 1px 2px rgba(0,0,0,0.3);
    animation: pulse 2s infinite;
}
  
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
  
/* Enhanced Display */
.card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border: 1px solid #444;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    box-shadow: 
      0 5px 20px rgba(0,0,0,0.5),
      inset 0 1px 0 rgba(255,255,255,0.1);
}
  
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #f1c40f, transparent);
    animation: scanline 3s linear infinite;
}
  
@keyframes scanline {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
  
.card-body {
    font-size: 1.5rem;
    text-align: center;
    color: #ffffff;
    min-height: 80px;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(241, 196, 15, 0.05) 0%, transparent 70%);
}
  
/* Enhanced Drum Pads */
  .drum-pad {
    width: 100px;
    height: 100px;
    margin: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 12px;
    background: linear-gradient(145deg, #1a1a1a, #0d0d0d);
    border: 2px solid #f1c40f;
    color: #f1c40f;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 
      0 4px 15px rgba(0,0,0,0.3),
      inset 0 1px 0 rgba(255,255,255,0.1),
      inset 0 -1px 0 rgba(0,0,0,0.5);
}
  
.drum-pad::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(241, 196, 15, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.3s ease;
    opacity: 0;
}
  
.drum-pad:hover {
    background: linear-gradient(145deg, #f1c40f, #d4ac0d);
    color: #111;
    transform: scale(1.05) translateY(-2px);
    box-shadow: 
      0 8px 25px rgba(241, 196, 15, 0.4),
      inset 0 1px 0 rgba(255,255,255,0.2);
}
  
.drum-pad:hover::before {
    opacity: 1;
    animation: shimmer 0.6s ease-in-out;
}
  
.drum-pad:active {
    transform: scale(0.98) translateY(1px);
    box-shadow: 
      0 2px 10px rgba(241, 196, 15, 0.6),
      inset 0 2px 4px rgba(0,0,0,0.2);
}
  
@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}
  
#drum-machine {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    max-width: 600px;
    margin: auto;
    padding: 20px;
    background: rgba(0,0,0,0.2);
    border-radius: 15px;
    border: 1px solid rgba(241, 196, 15, 0.2);
}
  
#display {
    font-style: italic;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}
  
/* Device Label */
  .device-label {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 300;
    width: 100%;
    text-align: center;
}
  
/* Power Button */
.power-indicator {
    position: absolute;
    top: 25px;
    left: 60px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #00ff00;
    box-shadow: 0 0 15px #00ff00;
    animation: power-pulse 1.5s infinite;
}
  
@keyframes power-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
  
/* Responsive Design - Enhanced */
@media (max-width: 768px) {
    .device-container {
      margin: 10px;
      padding: 20px 15px;
    }
    
    .drum-pad {
      width: 80px;
      height: 80px;
      font-size: 1.2rem;
      margin: 8px;
    }
    
    h1 {
      font-size: 1.8rem;
    }
    
    .card-body {
      font-size: 1.2rem;
      min-height: 70px;
    }
    
    /* Device label adjustments */
    .device-label {
      position: relative;
      bottom: auto;
      left: auto;
      transform: none;
      margin-top: 15px;
      padding-top: 10px;
      font-size: 0.7rem;
      letter-spacing: 1px;
    }
    
    /* Adjust status lights position */
    .status-lights {
      top: 15px;
      right: 15px;
    }
    
    /* Adjust power indicator position */
    .power-indicator {
      top: 20px;
      left: 50px;
    }
    
    #drum-machine {
      padding: 15px 10px;
    }
}
  
@media (max-width: 480px) {
    .drum-pad {
      width: 70px;
      height: 70px;
      font-size: 1rem;
      margin: 5px;
    }
    
    h1 {
      font-size: 1.5rem;
      margin-top: 15px !important;
      margin-bottom: 15px !important;
    }
    
    .device-container {
      padding: 20px 10px;
    }
    
    .card-body {
      font-size: 1rem;
      min-height: 60px;
    }
    
    .device-label {
      font-size: 0.6rem;
      padding-top: 5px;
    }
}