:root {
  /* Enhanced color palette with modernized variables */
  --primary: #1e3a8a;
  --primary-light: rgba(30, 58, 138, 0.1);
  --secondary: #facc15;
  --secondary-light: rgba(250, 204, 21, 0.2);
  --text: #1f2937;
  --text-light: #4b5563;
  --accent: #ffffff;
  --shadow: rgba(0, 0, 0, 0.06);
  --hover-shadow: rgba(0, 0, 0, 0.12);
  --border: rgba(0, 0, 0, 0.08);
  --light-bg: rgba(255, 255, 255, 0.9);
  
  /* Adding new design system variables */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
}

/* Modernized theme variations with enhanced color schemes */
[data-theme="maroon"] {
  --primary: #800020;
  --primary-light: rgba(128, 0, 32, 0.1);
  --secondary: #faebd7;
  --secondary-light: rgba(250, 235, 215, 0.3);
  --text: #2d2d2d;
  --text-light: #5a5a5a;
  --accent: #ffffff;
}

[data-theme="royal"] {
  --primary: #1e40af;
  --primary-light: rgba(30, 64, 175, 0.1);
  --secondary: #fcd34d;
  --secondary-light: rgba(252, 211, 77, 0.3);
  --text: #171717;
  --text-light: #525252;
  --accent: #ffffff;
}

[data-theme="forest"] {
  --primary: #2d4a4a;
  --primary-light: rgba(45, 74, 74, 0.1);
  --secondary: #e0f2fe;
  --secondary-light: rgba(224, 242, 254, 0.4);
  --text: #263238;
  --text-light: #546e7a;
  --accent: #ffffff;
}

[data-theme="midnight"] {
  --primary: #0f172a;
  --primary-light: rgba(15, 23, 42, 0.1);
  --secondary: #60a5fa;
  --secondary-light: rgba(96, 165, 250, 0.2);
  --text: #e2e8f0;
  --text-light: #94a3b8;
  --accent: #0f172a;
  --shadow: rgba(0, 0, 0, 0.15);
  --hover-shadow: rgba(0, 0, 0, 0.25);
  --border: rgba(255, 255, 255, 0.1);
  --light-bg: rgba(15, 23, 42, 0.9);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
  background-color: var(--secondary);
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
  overflow-x: hidden;
}

.main-content {
  margin-top: 80px;
  padding: var(--spacing-lg);
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

/* Enhanced Hero Section */
.hero-section {
  background: linear-gradient(
      rgba(255, 255, 255, 0.97),
      rgba(255, 255, 255, 0.97)
    ),
    url("https://via.placeholder.com/1200x600") center/cover no-repeat;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  box-shadow: 0 8px 30px var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--primary);
  opacity: 0.8;
}

.hero-section h1 {
  color: var(--primary);
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.hero-section h1 i {
  margin-right: 0.5rem;
  color: var(--primary);
}

.hero-section p {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  letter-spacing: -0.01em;
}

/* Modernized Filters Section */
.filters {
  margin: var(--spacing-xl) auto;
  max-width: 900px;
}

.search-bar {
  position: relative;
  margin-bottom: var(--spacing-md);
}

.search-bar input {
  width: 100%;
  padding: var(--spacing-md) 3.5rem var(--spacing-md) var(--spacing-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  background-color: var(--accent);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 10px var(--shadow);
}

.search-bar input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  outline: none;
}

.search-bar i {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 1.1rem;
}

.filter-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.filter-btn {
  padding: 0.8rem 1.6rem;
  border: none;
  border-radius: var(--radius-sm);
  background-color: var(--accent);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: var(--font-weight-medium);
  box-shadow: 0 3px 10px var(--shadow);
  position: relative;
  overflow: hidden;
}

.filter-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.filter-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px var(--shadow);
}

.filter-btn:hover::after {
  transform: scaleX(1);
}

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

.filter-btn.active::after {
  transform: scaleX(1);
  background: var(--secondary);
}

/* Enhanced Alumni Grid with modern card design */
.alumni-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.2rem;
  padding: var(--spacing-sm);
}

.alumni-card {
  background: var(--accent);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 6px 20px var(--shadow);
  transition: all var(--transition-normal);
  position: relative;
  backface-visibility: hidden;
}

.alumni-card:hover {
  transform: translateY(-7px) rotate(0.5deg);
  box-shadow: 0 15px 30px var(--hover-shadow);
}

.alumni-image {
  width: 100%;
  height: 320px;
  overflow: hidden;
  position: relative;
}

.alumni-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 70%,
    rgba(0, 0, 0, 0.1) 100%
  );
}

.alumni-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.33, 1, 0.68, 1);
}

.alumni-card:hover .alumni-image img {
  transform: scale(1.08);
}

.alumni-info {
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
}

.alumni-info h3 {
  color: var(--primary);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.batch {
  color: var(--text-light);
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
}

.batch::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  margin-right: 0.5rem;
}

.achievement {
  color: var(--primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
}

.tag {
  background-color: var(--secondary-light);
  color: var(--primary);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

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

.learn-more {
  background-color: var(--primary);
  color: var(--accent);
  border: none;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  width: 100%;
  font-weight: var(--font-weight-medium);
  font-size: 1rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.learn-more::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--secondary);
  transition: all 0.4s cubic-bezier(0.42, 0, 0.58, 1);
  z-index: -1;
}

.learn-more:hover {
  color: var(--primary);
}

.learn-more:hover::before {
  left: 0;
}

/* Enhanced Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: relative;
  background: var(--accent);
  padding: var(--spacing-xl);
  width: 90%;
  max-width: 900px;
  border-radius: var(--radius-lg);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  transform: scale(0.95);
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-body {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: var(--spacing-xl);
}

.modal-image {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 25px var(--shadow);
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}

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

.modal-details h2 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  font-size: 2.2rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.modal-details p {
  margin-bottom: var(--spacing-md);
  color: var(--text);
  line-height: 1.8;
}

.close {
  position: absolute;
  right: var(--spacing-md);
  top: var(--spacing-md);
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
  transition: all var(--transition-normal);
  background: rgba(255, 255, 255, 0.2);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

.social-links {
  margin-top: var(--spacing-md);
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--primary);
  font-size: 1.5rem;
  transition: all var(--transition-normal);
  background: var(--primary-light);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-links a:hover {
  color: var(--accent);
  background: var(--primary);
  transform: translateY(-3px);
}
.theme-switcher {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--accent);
  padding: 0.5rem;
  border-radius: 25px;
  box-shadow: 0 4px 15px var(--shadow);
  z-index: 100;
}

.theme-button {
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  border: none;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.theme-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 8px var(--shadow);
}

.theme-button.active {
  outline: 2px solid white;
  outline-offset: 2px;
}


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

.alumni-card {
  animation: fadeIn 0.6s ease forwards;
}

/* Improved Responsive Design */
@media (max-width: 1200px) {
  .main-content {
    padding: var(--spacing-md);
  }
  
  .alumni-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.8rem;
  }
}

@media (max-width: 992px) {
  .alumni-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
  }
  
  .modal-body {
    grid-template-columns: 1fr;
  }
  
  .modal-image {
    height: 350px;
    margin-bottom: var(--spacing-md);
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2.2rem;
  }

  .hero-section {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .alumni-grid {
    grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
  }

  .theme-switcher {
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.4rem;
  }

  .theme-button {
    padding: 0.5rem 1rem;
    margin: 0 0.15rem;
    font-size: 0.9rem;
  }
  
  .filter-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
  }
  
  .modal-content {
    padding: var(--spacing-md);
  }
}

@media (max-width: 600px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }
  
  .hero-section h1 {
    font-size: 1.9rem;
  }

  .hero-section p {
    font-size: 1.1rem;
  }
  
  .filter-buttons {
    grid-template-columns: 1fr;
  }
  
  .alumni-image {
    height: 280px;
  }
  
  .alumni-info h3 {
    font-size: 1.4rem;
  }
  
  .modal-content {
    padding: var(--spacing-md) var(--spacing-sm);
    margin: 1% auto;
    width: 95%;
  }
  
  .modal-image {
    height: 280px;
  }
  
  .modal-details h2 {
    font-size: 1.8rem;
  }
  
  .theme-switcher {
    bottom: 1rem;
    right: 1rem;
  }
}

@media (max-width: 400px) {
  .theme-button {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .alumni-image {
    height: 240px;
  }
  
  .hero-section h1 {
    font-size: 1.7rem;
  }

}
/* Add this to your CSS file */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
}

.toast {
  background: white;
  border-radius: 8px;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  padding: 15px;
  margin-bottom: 15px;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.toast.active {
  opacity: 1;
  transform: translateX(0);
}

.toast-success {
  border-left: 4px solid #4CAF50;
}

.toast-error {
  border-left: 4px solid #F44336;
}

.toast-warning {
  border-left: 4px solid #FF9800;
}

.toast-info {
  border-left: 4px solid #2196F3;
}

.toast .progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: #ddd;
}

.toast .progress:before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 100%;
  height: 100%;
  width: 100%;
  background-color: #2196F3;
  animation: progress 5s linear forwards;
}

.toast-success .progress:before {
  background-color: #4CAF50;
}

.toast-error .progress:before {
  background-color: #F44336;
}

.toast-warning .progress:before {
  background-color: #FF9800;
}

@keyframes progress {
  100% {
    right: 0%;
  }
}
.alumni-info .institution {
  margin-top: 5px;
  font-style: italic;
  color: #555;
  font-size: 0.9rem;
}
.alumni-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 10px;
}

.alumni-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--primary);
  color: #000;
  padding: 5px 8px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 50%;
  box-shadow: 0 0 5px rgba(0,0,0,0.3);
}