:root {
    --mb-primary: #0d6efd;
    --mb-primary-dark: #0a58ca;
    --mb-gradient-start: #0d47a1;
    --mb-gradient-end: #1565c0;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #f4f6f9;
    min-height: 100vh;
}

.auth-page {
    background: linear-gradient(135deg, var(--mb-gradient-start) 0%, var(--mb-gradient-end) 100%);
    min-height: 100vh;
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-card {
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.15);
    padding: 2rem;
    width: 100%;
    max-width: 420px;
}

.auth-logo {
    font-size: 2.5rem;
    color: var(--mb-primary);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.navbar-brand {
    font-size: 1.1rem;
}

/* Active navbar tab — amber / gold */
.navbar.navbar-dark .navbar-nav .nav-link {
    border-radius: 0.4rem;
    margin: 0 0.15rem;
    padding: 0.4rem 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.navbar.navbar-dark .navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.navbar.navbar-dark .navbar-nav .nav-link.active,
.navbar.navbar-dark .navbar-nav .nav-link.show,
.navbar.bg-primary .navbar-nav .nav-link.active {
    background-color: #ffc107 !important;
    background-image: linear-gradient(180deg, #ffd54f 0%, #ffc107 55%, #ffb300 100%) !important;
    color: #212529 !important;
    font-weight: 600;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.navbar.navbar-dark .navbar-nav .nav-link.active i,
.navbar.navbar-dark .navbar-nav .nav-link.show i {
    color: #212529 !important;
}

.navbar.navbar-dark .navbar-brand.active {
    color: #ffc107 !important;
}

.table th {
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #6c757d;
}

@media (max-width: 576px) {
    .auth-card {
        padding: 1.5rem;
    }
}