/* ============ DatLichKhamBenh - custom site styles ============ */

:root {
    --brand-primary: #0d6efd;
    --brand-primary-dark: #0a58ca;
    --brand-accent: #10b981;
    --brand-gray-bg: #f7f9fc;
}

html { font-size: 14px; }
@media (min-width: 768px) { html { font-size: 16px; } }

body {
    background: var(--brand-gray-bg);
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

/* Focus ring nhe hon mac dinh */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.15rem rgba(13, 110, 253, 0.25);
}

/* Card */
.card { transition: transform .15s ease, box-shadow .15s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 .5rem 1rem rgba(0,0,0,.08) !important; }

/* Buttons */
.btn { border-radius: .4rem; }
.btn-primary { background-color: var(--brand-primary); border-color: var(--brand-primary); }
.btn-primary:hover { background-color: var(--brand-primary-dark); border-color: var(--brand-primary-dark); }

/* Navbar brand */
.navbar-brand { letter-spacing: .3px; }

/* Footer — gon, khong de che noi dung phia tren */
.footer {
    flex-shrink: 0;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    color: #6b7280;
    font-size: 0.875rem;
}
.footer a { color: #6b7280; text-decoration: none; }
.footer a:hover { color: var(--brand-primary); }

/* Khoang cach duoi main de footer khong sat/che section cuoi */
main[role="main"] {
    padding-bottom: 2rem;
}

/* Hero on home */
.hero-section {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

/* Section titles */
section h3 { font-weight: 600; }

/* Badge tweak */
.badge { font-weight: 500; }

/* Table */
.table thead th { font-weight: 600; color: #374151; }

/* Form label */
.form-label { font-weight: 500; color: #374151; }