/* Mobile-first responsive design */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --light-bg: #f8f9fa;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: bold;
}

/* Feature Cards */
.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 10px;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Cards */
.card {
    border-radius: 10px;
    border: 1px solid rgba(0,0,0,0.1);
}

.card-header {
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Forms */
.form-control, .form-select {
    border-radius: 6px;
    border: 1px solid #ced4da;
    padding: 0.6rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

/* Footer */
footer {
    background-color: #212529;
}

footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* Message List */
.list-group-item {
    border-radius: 8px !important;
    margin-bottom: 0.5rem;
    transition: background-color 0.3s ease;
}

.list-group-item:hover {
    background-color: rgba(13, 110, 253, 0.1) !important;
}

/* Pagination */
.pagination {
    margin-top: 2rem;
}

.page-link {
    border-radius: 6px;
    margin: 0 2px;
    color: var(--primary-color);
}

.page-link:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .hero-section {
        padding: 2rem 0 !important;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Accessibility improvements */
a:focus, button:focus, .form-control:focus, .form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar, footer, .btn, .pagination {
        display: none !important;
    }
}