:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--dark-text);
}

.navbar {
    background-color: var(--primary-color) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0;
    margin-bottom: 50px;
}

.college-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 30px;
    overflow: hidden;
}

.college-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,.15);
}

.college-image {
    height: 200px;
    object-fit: cover;
}

.rating {
    color: #ffc107;
}

.filter-section {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
}

.badge-city {
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-right: 5px;
}

.stats-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
    transition: transform 0.3s ease;
}

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

.stats-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--secondary-color);
}

.admin-panel {
    display: none;
    background-color: #f8f9fa;
    min-height: 100vh;
    padding: 20px;
}

.admin-sidebar {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
    margin-bottom: 20px;
}

.admin-content {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

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

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.comparison-table {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
}

.course-tag {
    background-color: var(--success-color);
    color: white;
    padding: 3px 8px;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-right: 5px;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 50px 0;
    }
    
    .college-image {
        height: 150px;
    }
}