@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --primary: #2563eb;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --accent-cyan: #0284c7;
  --accent-indigo: #4f46e5;
  --bg-main: #f8fafc;
  --surface-card: #ffffff;
  --border-color: #e2e8f0;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #f8fafc;
  color: #0f172a;
  overflow-x: hidden;
  selection-background-color: #2563eb;
  selection-color: #ffffff;
}

code, pre, .font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Custom Scrollbar - Light Theme */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Clean White / Light Cards */
.glass-panel {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid #e2e8f0;
}

.glass-nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid #e2e8f0;
}

.glass-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  transform: translateY(-2px);
}

/* Subtle Grid Pattern for Light Background */
.bg-grid-pattern {
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

.radial-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

/* Audio Player Range Slider - Light Theme */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: #e2e8f0;
  height: 6px;
  border-radius: 9999px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #2563eb;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.4);
  transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

/* Dropdown Animation */
.dropdown-menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-parent:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Sound Wave Animation */
@keyframes soundwave {
  0%, 100% { height: 4px; }
  50% { height: 18px; }
}

.wave-bar {
  display: inline-block;
  width: 3px;
  height: 8px;
  background-color: #2563eb;
  border-radius: 2px;
  margin: 0 1px;
}

.is-playing .wave-bar:nth-child(1) { animation: soundwave 0.8s ease-in-out infinite; }
.is-playing .wave-bar:nth-child(2) { animation: soundwave 1.1s ease-in-out infinite 0.2s; }
.is-playing .wave-bar:nth-child(3) { animation: soundwave 0.7s ease-in-out infinite 0.4s; }
.is-playing .wave-bar:nth-child(4) { animation: soundwave 1.3s ease-in-out infinite 0.1s; }