:root {
    --primary-color: #2768c1;
    --primary-button-color: #2c3e50;
    --primary-button-hover-color: #34495e;
    --light-bg-color: #ffffff;
    --light-text-color: #212529;
    --light-card-bg: #ffffff;
    --light-border-color: #dee2e6;
    --dark-bg-color: #212529;
    --dark-text-color: #f8f9fa;
    --dark-card-bg: #343a40;
    --dark-border-color: #495057;
}

[data-bs-theme="light"] {
    --bs-body-bg: var(--light-bg-color);
    --bs-body-color: var(--light-text-color);
    --bs-card-bg: var(--light-card-bg);
    --bs-border-color: var(--light-border-color);
}

[data-bs-theme="dark"] {
    --bs-body-bg: var(--dark-bg-color);
    --bs-body-color: var(--dark-text-color);
    --bs-card-bg: var(--dark-card-bg);
    --bs-border-color: var(--dark-border-color);
}

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

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

.card {
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.form-control {
    border-radius: 0.375rem;
}

.alert {
    border-radius: 0.375rem;
}

.navbar {
    background-color: var(--primary-color) !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #ffffff !important;
}

.navbar-dark .navbar-brand {
    color: #ffffff !important;
}

.navbar-dark .navbar-toggler {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.5);
}

.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.theme-icon {
    transition: opacity 0.3s ease;
    color: #ffffff !important;
}

[data-bs-theme="dark"] .theme-icon {
    color: #ffffff !important;
}

.module-nav-link {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: var(--bs-body-color);
    text-decoration: none;
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
}

.module-nav-link:hover {
    background-color: var(--bs-primary);
    color: white;
}

.module-nav-link.active {
    background-color: var(--bs-primary);
    color: white;
}

.module-nav-link i {
    margin-right: 0.5rem;
}

/* Ensure hamburger only shows on small screens */
@media (min-width: 992px) {
    .navbar-toggler {
        display: none !important;
    }
}