/**
 * Login & Register – Emerald Lanka Tours brand
 */
.auth-page {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(160deg, #f0faf5 0%, #e8f5ee 35%, #f0faf5 70%);
}
.auth-card {
    width: 100%;
    max-width: 440px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(10, 125, 60, 0.12), 0 4px 20px rgba(0, 0, 0, 0.06);
    padding: 2.5rem 2rem;
    border: 1px solid rgba(10, 125, 60, 0.08);
}
.auth-card.auth-card--register {
    max-width: 520px;
}
.auth-brand {
    text-align: center;
    margin-bottom: 1.75rem;
}
.auth-brand img {
    max-height: 48px;
    width: auto;
    margin-bottom: 0.5rem;
}
.auth-brand .auth-site-name {
    font-size: 1.35rem;
    font-weight: 700;
    color: #0A7D3C;
    margin: 0 0 0.25rem 0;
}
.auth-brand .auth-tagline {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0;
}
.auth-card h1 {
    font-size: 1.65rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 1.5rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid #D4AA00;
    text-align: center;
}
.auth-card .form-group {
    margin-bottom: 1.25rem;
}
.auth-card label {
    font-weight: 600;
    color: #334155;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}
.auth-card .form-control {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.65rem 1rem;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.auth-card .form-control:focus {
    border-color: #0A7D3C;
    box-shadow: 0 0 0 3px rgba(10, 125, 60, 0.15);
    outline: none;
}
.auth-card .form-control.is-invalid {
    border-color: #dc3545;
}
.auth-card .form-check-input:checked {
    background-color: #0A7D3C;
    border-color: #0A7D3C;
}
.auth-card .form-check-label {
    font-weight: 500;
    color: #475569;
}
.auth-card .btn-primary {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    background: #0A7D3C;
    border: none;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}
.auth-card .btn-primary:hover {
    background: #084d28;
    box-shadow: 0 6px 20px rgba(10, 125, 60, 0.35);
    transform: translateY(-1px);
}
.auth-card .btn-link {
    color: #0A7D3C;
    font-weight: 500;
    text-decoration: none;
    font-size: 0.9rem;
}
.auth-card .btn-link:hover {
    color: #084d28;
    text-decoration: underline;
}
.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid #e9ecef;
}
.auth-footer .auth-link {
    color: #0A7D3C;
    font-weight: 600;
    text-decoration: none;
}
.auth-footer .auth-link:hover {
    color: #084d28;
    text-decoration: underline;
}
.auth-alert {
    border-radius: 10px;
    margin-bottom: 1.25rem;
}
@media (max-width: 576px) {
    .auth-card {
        padding: 1.75rem 1.25rem;
    }
}