/* Modern Responsive Styles for My Section */

/* Root Variables for Consistency */
:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #f59e0b;
  --dark-color: #1f2937;
  --light-color: #f9fafb;
  --text-color: #374151;
  --border-radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Cairo', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: linear-gradient(135deg, var(--light-color) 0%, #e5e7eb 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand i {
  color: var(--accent-color);
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--text-color) !important;
  transition: var(--transition);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 100%;
}

/* Hero Section */
header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.display-4 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: #d97706;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-light {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  transition: var(--transition);
  font-size: 1.25rem;
}

.social-links a:hover {
  background: var(--accent-color);
  transform: translateY(-3px) scale(1.1);
}

/* College Selection */
.college-selection {
  padding: 1rem 0;
  background: white;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark-color);
}

.card {
  background: white;
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.card-body {
  padding: 2rem;
  text-align: center;
}

.card-title {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-color);
  margin-bottom: 1.5rem;
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.btn-outline-secondary {
  border: 2px solid var(--secondary-color);
  color: var(--secondary-color);
  background: transparent;
}

.btn-outline-secondary:hover {
  background: var(--secondary-color);
  color: white;
  transform: translateY(-2px);
}

/* Selected College Styling */
.card.selected {
  border: 3px solid var(--primary-color);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

.card.selected .card-title,
.card.selected .card-text {
  color: white;
}

.card.selected .btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

/* Semester Section */
.semester-section {
  padding: 1rem 0;
  background: var(--light-color);
}

/* Tab Navigation */
.nav-tabs {
  border-bottom: 2px solid var(--primary-color);
  margin-bottom: 2rem;
}

.nav-tabs .nav-link {
  border: none;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  color: var(--text-color);
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: var(--transition);
  background: transparent;
}

.nav-tabs .nav-link:hover {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
}

.nav-tabs .nav-link.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.nav-tabs .nav-link.active:hover {
  background: var(--secondary-color);
  color: white;
}

/* Tab Content */
.tab-content {
  padding: 1rem 0;
}

/* Timetable Downloads */
.timetable-downloads .card {
  transition: var(--transition);
}

.timetable-downloads .card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.timetable-downloads .btn {
  background: var(--primary-color);
  border: none;
}

.timetable-downloads .btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

.loading-indicator {
  text-align: center;
  padding: 2rem;
}

.loading-indicator i {
  font-size: 3rem;
  color: var(--primary-color);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* Content Grid */
#content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.content-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-left: 4px solid var(--primary-color);
}

.content-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-left-color: var(--accent-color);
}

.content-card span {
  font-weight: 500;
  color: var(--text-color);
}

.content-card i {
  color: var(--primary-color);
  font-size: 1.25rem;
  transition: var(--transition);
}

.content-card:hover i {
  color: var(--accent-color);
  transform: translateX(5px);
}





/* Social Media Section */
.social-section {
  padding: 4rem 0;
  background: white;
}

.social-card {
  max-width: 500px;
  margin: 0 auto;
}

.social-links-large {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
}

.social-links-large a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  transition: var(--transition);
  font-size: 1.5rem;
}

.social-links-large a:hover {
  background: var(--accent-color);
  transform: translateY(-3px) scale(1.1);
}

/* Footer */
footer {
  background: var(--dark-color);
  color: #d1d5db;
  padding: 3rem 0 1rem;
  text-align: center;
}

footer a {
  color: #d1d5db;
  transition: var(--transition);
}

footer a:hover {
  color: var(--accent-color);
}

.footer-social {
  margin: 2rem 0;
}

/* Popups */
.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.popup-content {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  text-align: center;
  animation: popupIn 0.3s ease-out;
}

@keyframes popupIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.popup h2 {
  color: var(--dark-color);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.popup p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.popup .social-links {
  justify-content: center;
  margin: 1.5rem 0;
}

.popup button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1rem;
}

.popup button:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

/* Form Elements */
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
  .display-4 {
    font-size: 2rem;
  }

  .lead {
    font-size: 1rem;
  }

  header {
    padding: 3rem 0 2rem;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .social-links {
    gap: 0.5rem;
  }

  .social-links a {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .card-body {
    padding: 1.5rem;
  }

  #content {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .content-card {
    padding: 1rem;
  }

  .social-links-large {
    gap: 1rem;
  }

  .social-links-large a {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .popup-content {
    padding: 1.5rem;
    margin: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .btn {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
  }

  .social-links-large a {
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Ad Container Styles */
.ad-container {
  max-width: 100%;
  margin: 1rem auto;
  padding: 0 1rem;
}

.ad-container script {
  display: block;
  margin: 0 auto;
}

.ad-placeholder {
  background: #f0f0f0;
  border: 2px dashed #ccc;
  padding: 2rem;
  text-align: center;
  color: #666;
  font-size: 1.2rem;
  border-radius: 8px;
}

/* Responsive Ad Styles */
.ad-container iframe {
  max-width: 100%;
  width: 100% !important;
  height: auto !important;
}

.desktop-banner {
  display: block;
}

.mobile-banner {
  display: none;
}

@media (max-width: 768px) {
  .ad-container {
    padding: 0 0.5rem;
    margin: 0.5rem auto;
  }

  .desktop-banner {
    display: none;
  }

  .mobile-banner {
    display: block;
  }
}

/* Print Styles */
@media print {

  .popup,
  .ad-container,
  .social-links {
    display: none !important;
  }
}