/*
 * Custom styles for the eLearning platform.
 * Extends Bootstrap 5 with project-specific styling.
 */

/* Ensure the page fills the full viewport height */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Chat message area styling */
#chat-messages {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
}

/* Notification badge positioning on the bell icon */
.nav-link .badge {
    font-size: 0.65rem;
}

/* Card hover effect for course cards */
.card:hover {
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.2s ease-in-out;
}

/* Profile avatar placeholder */
.bg-secondary.rounded-circle {
    border: 3px solid #dee2e6;
}

/* Unread notification styling */
.list-group-item-light.fw-bold {
    border-left: 3px solid #0d6efd;
}

/* Star rating display in feedback */
.bi-star-fill, .bi-star {
    font-size: 0.9rem;
}