/**
 * SUNY Suffolk County Student Information System - Main Stylesheet
 * Consolidated CSS for optimal loading performance
 */

/* Import all component stylesheets */
@import url('base.css');
@import url('layout.css');
@import url('ui.css');
@import url('themes.css');
@import url('dashboard.css');
@import url('faculty.css');
@import url('admin.css');

/* Additional optimizations for better performance */
:root {
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

/* Critical CSS for immediate rendering */
body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease;
}

.app-frame {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-secondary);
}

/* Ensure smooth loading */
.page-title {
  opacity: 0;
  animation: fadeIn 0.3s ease-in-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Optimize form elements */
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

/* Optimize buttons */
button, .btn, sis-button {
  transition: all 0.2s ease;
  cursor: pointer;
}

button:hover, .btn:hover {
  transform: translateY(-1px);
}

button:active, .btn:active {
  transform: translateY(0);
}

/* Loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Responsive images */
img {
  max-width: 100%;
  height: auto;
}

/* Better performance for animations */
* {
  will-change: auto;
}

.animated {
  will-change: transform, opacity;
}

/* Optimize for mobile */
@media (max-width: 768px) {
  .app-frame {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    max-width: none;
  }
}

/* Print styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}