/* ========================================
   EDU TOMRIS PARTNERS - MAIN STYLESHEET
   Apple-inspired Design System
   ======================================== */

/* Tailwind CSS CDN will be included in HTML */

:root {
  /* Colors */
  --primary: #007AFF;
  --primary-dark: #0051D5;
  --secondary: #5856D6;
  --success: #34C759;
  --warning: #FF9500;
  --danger: #FF3B30;
  --dark: #1C1C1E;
  --gray: #8E8E93;
  --light-gray: #F2F2F7;

  /* Spacing */
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --border-radius-sm: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
.dark {
  --bg-primary: #000000;
  --bg-secondary: #1C1C1E;
  --bg-tertiary: #2C2C2E;
  --text-primary: #FFFFFF;
  --text-secondary: #98989D;
  --border-color: #38383A;
}

/* Light Mode Variables */
.light {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F2F2F7;
  --bg-tertiary: #FFFFFF;
  --text-primary: #000000;
  --text-secondary: #8E8E93;
  --border-color: #E5E5EA;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition);
}

/* Glassmorphism Effect */
.glass {
  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, 0.3);
}

.dark .glass {
  background: rgba(28, 28, 30, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Card Styles */
.card {
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: scale(1.02);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--border-color);
}

/* Input Styles */
.input-field {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: var(--transition);
}

.input-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

/* Progress Bar */
.progress-bar {
  height: 4px;
  background: var(--light-gray);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  gap: 0.25rem;
}

/* Status Badges */
.badge-pending {
  background: #FFF7ED;
  color: #C2410C;
}

.badge-reviewing {
  background: #EFF6FF;
  color: #1E40AF;
}

.badge-approved {
  background: #F0FDF4;
  color: #166534;
}

.badge-rejected {
  background: #FEF2F2;
  color: #991B1B;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-color) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Micro-interactions */
.hover-lift {
  transition: transform 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale {
  transition: transform 0.2s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: var(--transition);
  z-index: 1000;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  .card {
    padding: 1.5rem;
  }

  .whatsapp-float {
    bottom: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--gray);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* File Upload Area */
.file-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.file-upload-area:hover {
  border-color: var(--primary);
  background: var(--bg-secondary);
}

.file-upload-area.dragover {
  border-color: var(--primary);
  background: rgba(0, 122, 255, 0.05);
}