/* TMail Ultra Professional Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #05070c;
  --bg-secondary: #0b0f19;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-hover: rgba(30, 41, 59, 0.6);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-color: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  --accent-glow: rgba(59, 130, 246, 0.25);
  --glass-bg: rgba(11, 15, 25, 0.85);
}

.light {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-hover: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: rgba(0, 0, 0, 0.08);
  --accent-color: #2563eb;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
  --accent-glow: rgba(37, 99, 235, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.9);
}

body {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Glassmorphism utility */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
}

.glass-nav {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.2);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.4);
}

/* Micro Animations & Glows */
.hover-glow {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.hover-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px var(--accent-glow);
}

/* Three.js Canvas Container */
#three-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Pulse Glow Animation */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

.animate-pulse-glow {
  animation: pulseGlow 4s infinite ease-in-out;
}

/* Gmail Style Email Row */
.email-row {
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--border-color);
}
.email-row:hover {
  background-color: var(--bg-hover);
  cursor: pointer;
}
.email-row.unread {
  font-weight: 600;
  background-color: rgba(59, 130, 246, 0.04);
}