/* 伴奏工坊 (AccompanyLab) Custom Styles */

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
}

/* Custom Range Slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

input[type="range"]:focus {
  outline: none;
}

input[type="range"]::-webkit-slider-runnable-track {
  background-color: #e2e8f0;
  border-radius: 9999px;
  height: 8px;
}

.dark input[type="range"]::-webkit-slider-runnable-track {
  background-color: #334155;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  margin-top: -6px;
  background-color: #4f46e5;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3), 0 2px 4px -2px rgba(79, 70, 229, 0.3);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background-color: #4338ca;
}

input[type="range"]::-moz-range-track {
  background-color: #e2e8f0;
  border-radius: 9999px;
  height: 8px;
}

.dark input[type="range"]::-moz-range-track {
  background-color: #334155;
}

input[type="range"]::-moz-range-thumb {
  background-color: #4f46e5;
  height: 20px;
  width: 20px;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

/* Pulse Glow & Gradient Animation */
.glow-primary {
  box-shadow: 0 0 50px -10px rgba(79, 70, 229, 0.18);
}

.bg-radial-glow {
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, rgba(248, 250, 252, 0) 70%);
}

.dark .bg-radial-glow {
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.2) 0%, rgba(15, 23, 42, 0) 70%);
}

/* Glassmorphism */
.glass-panel {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.dark .glass-panel {
  background: rgba(30, 41, 59, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Smooth Transitions */
* {
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}