/* iOS Liquid Glass / Glassmorphism Styling */

:root {
  /* Apple-inspired color palette */
  --glass-white: rgba(255, 255, 255, 0.7);
  --glass-light: rgba(255, 255, 255, 0.5);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  --glass-shadow-strong: rgba(0, 0, 0, 0.15);
  
  --apple-blue: #007AFF;
  --apple-blue-light: #5AC8FA;
  --apple-purple: #AF52DE;
  --apple-pink: #FF2D55;
  --apple-green: #34C759;
  --apple-orange: #FF9500;
  --apple-gray: #8E8E93;
  --apple-gray-light: #F2F2F7;
  --apple-gray-dark: #48484A;
}

/* Glass card effect */
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
}

/* Glass button */
.glass-button {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.06);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-button:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: scale(1.02);
  box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.1);
}

.glass-button:active {
  transform: scale(0.98);
}

/* Apple-style input */
.apple-input {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  padding: 12px 16px;
  transition: all 0.2s ease;
  font-size: 15px;
}

.apple-input:focus {
  outline: none;
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
  background: rgba(255, 255, 255, 0.95);
}

/* Status badges with glass effect */
.glass-badge {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

/* Navigation with blur */
.glass-nav {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

/* Gradient backgrounds - Apple style */
.apple-gradient-blue {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.apple-gradient-purple {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.apple-gradient-ocean {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* Smooth transitions */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Elevated shadows */
.elevated-sm {
  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.08);
}

.elevated-md {
  box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.1);
}

.elevated-lg {
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.12);
}

/* Apple-style separators */
.apple-divider {
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
  border: none;
}

/* Frosted modal */
.glass-modal-backdrop {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Apple button colors */
.apple-btn-blue {
  background: var(--apple-blue);
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.apple-btn-blue:hover {
  background: #0051D5;
  box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.apple-btn-secondary {
  background: rgba(120, 120, 128, 0.16);
  color: var(--apple-blue);
  border: none;
}

.apple-btn-secondary:hover {
  background: rgba(120, 120, 128, 0.24);
}

/* Soft focus state */
.soft-focus:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15);
}

/* Typography - Apple San Francisco style */
.apple-title {
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.apple-body {
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.2px;
}

/* Animated gradient backgrounds */
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animated-gradient {
  background-size: 200% 200%;
  animation: gradient-shift 15s ease infinite;
}