/* ==========================================================================
   VoltWatch — Apple Bento Dark Obsidian Glassmorphism Design System
   ========================================================================== */

:root {
  --bg-dark: #08090D;
  --surface-glass: rgba(18, 20, 28, 0.88);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text-main: #ECEDEE;
  --text-muted: #889096;
  --accent-emerald: #10B981;
  --accent-cyan: #00E5FF;
  --accent-amber: #F59E0B;
  --accent-rose: #F43F5E;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Luxury Glass Bento Card */
.glass-card {
  background: var(--surface-glass);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--border-glass);
  box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
  border-color: var(--border-strong);
}

/* Custom Scrollbar */
.custom-scroll::-webkit-scrollbar {
  width: 5px;
}
.custom-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.custom-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
}
.custom-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* Live Pulse Ring */
.live-dot {
  position: relative;
}
.live-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--accent-emerald);
  opacity: 0.5;
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Battery Fluid Meter */
.battery-meter-container {
  position: relative;
  height: 12px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  padding: 1.5px;
}

.battery-meter-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.5s ease;
  box-shadow: 0 0 12px currentColor;
}

/* Charging Animation */
@keyframes charging-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(0.96); }
}

.is-charging-indicator {
  animation: charging-pulse 2s infinite ease-in-out;
}