/* Modern Styles for CNBS Website */

:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --text-color: #333;
  --light-gray: #f5f6fa;
  --white: #ffffff;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--light-gray);
}

/* Header Styles */
.header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background-color: var(--primary-color);
  padding: 0.5rem 0;
}

.header-top a {
  color: var(--white);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.header-top a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.navbar {
  padding: 1rem 0;
}

.navbar-brand img {
  transition: transform 0.3s;
}

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

.nav-link {
  color: var(--text-color) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--secondary-color) !important;
}

.dropdown-menu {
  border: none;
  box-shadow: var(--shadow);
  border-radius: 8px;
  padding: 0.5rem;
}

.dropdown-item {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.dropdown-item:hover {
  background-color: var(--light-gray);
  color: var(--secondary-color);
}

/* Main Content Styles */
.container {
  padding: 2rem 0;
}

/* Card Styles */
.card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
  margin-bottom: 1.5rem;
}

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

/* Button Styles */
.btn {
  padding: 0.5rem 1.5rem;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background-color: #2980b9;
  transform: translateY(-2px);
}

/* Form Styles */
.form-control {
  border-radius: 4px;
  border: 1px solid #ddd;
  padding: 0.75rem;
  transition: border-color 0.3s;
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: none;
}

/* Footer Styles */
.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 2rem 0;
  margin-top: 3rem;
}

.footer a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-nav {
    padding: 1rem 0;
  }
  
  .nav-link {
    padding: 0.5rem 0 !important;
  }
  
  .container {
    padding: 1rem;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

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

/* List Styles */
.list-group-item {
  border: none;
  margin-bottom: 0.5rem;
  border-radius: 4px !important;
  transition: background-color 0.3s;
}

.list-group-item:hover {
  background-color: var(--light-gray);
}

/* Search Bar Styles */
.search-container {
  position: relative;
  margin: 2rem 0;
}

.search-container input {
  width: 100%;
  padding: 1rem;
  padding-left: 3rem;
  border-radius: 8px;
  border: 1px solid #ddd;
}

.search-container i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #666;
}

/* Loading Animation */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
}

.loader {
  border: 4px solid var(--light-gray);
  border-radius: 50%;
  border-top: 4px solid var(--secondary-color);
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Modern styles for CNBS Portal */

:root {
  --primary: #577295;
  --secondary: #44403b;
  --light: #F0EAE1;
  --dark: #2C3E50;
  --white: #ffffff;
  --shadow: 0 2px 15px rgba(0,0,0,0.1);
}

/* Base styles */
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
}

/* Modern container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header styles */
.header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  background: var(--primary);
  padding: 0.5rem 0;
}

.header-top a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.9rem;
  transition: opacity 0.3s;
}

.header-top a:hover {
  opacity: 0.8;
}

/* Modern navigation */
.nav-main {
  padding: 1rem 0;
}

.nav-main .nav-link {
  color: var(--dark);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: all 0.3s;
}

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

/* Cards and content */
.card {
  border: none;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

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

/* Buttons */
.btn {
  padding: 0.5rem 1.5rem;
  border-radius: 5px;
  font-weight: 500;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background: darken(var(--primary), 10%);
  transform: translateY(-2px);
}

/* Forms */
.form-control {
  border: 1px solid #ddd;
  padding: 0.75rem 1rem;
  border-radius: 5px;
  transition: all 0.3s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(87,114,149,0.25);
}

/* Footer */
.footer {
  background: var(--primary);
  color: var(--white);
  padding: 3rem 0;
}

.footer a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.3s;
}

.footer a:hover {
  opacity: 0.8;
}

/* Utilities */
.shadow-sm {
  box-shadow: var(--shadow) !important;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .container {
    padding: 0 0.5rem;
  }
  
  .nav-main {
    padding: 0.5rem 0;
  }
}

/* Modern table styles */
.table {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.table th {
  background: var(--primary);
  color: var(--white);
  font-weight: 500;
  border: none;
}

/* Modern list styles */
.list-modern {
  list-style: none;
  padding: 0;
}

.list-modern li {
  padding: 1rem;
  margin-bottom: 0.5rem;
  background: var(--white);
  border-radius: 5px;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

.list-modern li:hover {
  transform: translateX(5px);
}

/* Image styles */
.img-modern {
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* Additional Modern Components */

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  opacity: 0.03;
  z-index: -1;
  border-radius: var(--radius-lg);
}

.hero h1 {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-lg);
}

.hero .lead {
  color: var(--gray-400);
  font-size: 1.25rem;
  line-height: 1.7;
}

/* Icon Circle */
.icon-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  transition: all var(--transition-normal);
}

.card:hover .icon-circle {
  transform: scale(1.1);
  background: var(--primary-light);
  color: var(--white);
}

/* Stats Section */
.stats-section {
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
  padding: var(--spacing-xl) 0;
}

.stat-item {
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-item i {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.stat-item h3 {
  color: var(--dark);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

/* News Cards */
.news-card {
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.news-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-light);
}

.news-card img {
  transition: all var(--transition-normal);
}

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

/* Badge Styles */
.badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.bg-primary-light {
  background: rgba(66, 153, 225, 0.1);
}

/* Social Links */
.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all var(--transition-normal);
}

.social-links a:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-3px);
}

/* Back to Top Button */
#backToTop {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

#backToTop.visible {
  opacity: 1;
  visibility: visible;
}

/* Newsletter Form */
.footer .input-group {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs);
}

.footer .form-control {
  background: transparent;
  border: none;
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
}

.footer .form-control::placeholder {
  color: var(--gray-400);
}

.footer .btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
}

/* Enhanced Mobile Styles */
@media (max-width: 768px) {
  .hero {
    text-align: center;
    padding: var(--spacing-lg) 0;
  }

  .hero .btn-group {
    justify-content: center;
  }

  .stat-item {
    padding: var(--spacing-md);
  }

  .social-links {
    text-align: center;
  }

  .footer h5 {
    margin-top: var(--spacing-lg);
  }
}

/* Animation Utilities */
.hover-lift {
  transition: transform var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
}

.hover-scale {
  transition: transform var(--transition-normal);
}

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

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

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: var(--radius-lg);
}

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