/* Telegram Cloud Drive - Glassmorphic Theme & Animations */

:root {
  --primary-glow: rgba(59, 130, 246, 0.35);
  --accent-glow: rgba(147, 51, 234, 0.35);
  --success-glow: rgba(16, 185, 129, 0.35);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #0b0f19;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
  color: #f3f4f6;
  min-height: 100vh;
}

/* Glassmorphic Panel */
.glass-panel {
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-card {
  background: rgba(31, 41, 55, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  background: rgba(31, 41, 55, 0.75);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 0 15px rgba(99, 102, 241, 0.15);
}

/* Subtle Neon Glows */
.glow-primary {
  box-shadow: 0 0 20px var(--primary-glow);
}

.glow-success {
  box-shadow: 0 0 20px var(--success-glow);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.6);
}

::-webkit-scrollbar-thumb {
  background: rgba(75, 85, 99, 0.5);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(107, 114, 128, 0.8);
}

/* Drag and Drop Active Border Animation */
.drop-zone-active {
  border-color: #3b82f6 !important;
  background: rgba(59, 130, 246, 0.1) !important;
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.25);
  transform: scale(1.01);
}

/* Shimmer animation for active upload progress */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.progress-shimmer {
  background: linear-gradient(90deg, #3b82f6 0%, #60a5fa 50%, #3b82f6 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite linear;
}

/* Pulse dot for status indicators */
.pulse-green {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* Shake animation for incorrect password */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.shake {
  animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* Pre-Login Gateway & Hero Styles */
.ambient-blue {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, transparent 70%);
}

.ambient-purple {
  background: radial-gradient(circle, rgba(147, 51, 234, 0.15) 0%, transparent 70%);
}

.glass-card-prelogin {
  background: rgba(18, 25, 42, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(59, 130, 246, 0.12);
}

.feature-pill {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-pill:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateX(4px);
}

/* Mobile iOS input auto-zoom prevention */
@media screen and (max-width: 768px) {
  input[type="text"],
  input[type="password"],
  input[type="search"] {
    font-size: 16px !important;
  }
}

/* Folder & Organization Styles */
.folder-chip {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.folder-chip:hover {
  transform: translateY(-1px);
}