/* assets/css/style.css */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --text-color: #212529;
}

body {
    font-family: 'Sarabun', sans-serif; /* Thai font friendly */
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.navbar-brand {
    font-weight: bold;
    color: var(--primary-color) !important;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

.footer {
    background-color: #fff;
    padding: 1rem 0;
    text-align: center;
    border-top: 1px solid #dee2e6;
    margin-top: auto;
}

.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

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

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