/* Main CSS for CSDT Offline */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    padding-top: 60px; /* Add padding to account for fixed navbar */
}

/* Navigation Bar Styles */
.navbar {
    background-color: #343a40;
    min-height: 60px;
    padding: 0.5rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand a {
    display: inline-block;
    margin-right: 1rem;
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

/* Adjust main content to account for fixed navbar */
main {
    margin-top: 1rem;
}

/* Ensure content doesn't go under the fixed navbar */
body {
    padding-top: 110px; /* Increased from 60px to 110px to move content down */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

.card {
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 0.25rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-body {
    padding: 1.25rem;
}

.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, 
                border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    color: #fff;
    background-color: #0069d9;
    border-color: #0062cc;
}

.mt-5 {
    margin-top: 3rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.text-center {
    text-align: center !important;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

/* Responsive utilities */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
}