:root {
    --admin-sidebar: #bc1440;
    --admin-bg: #f8f9fb;
}

body.admin-body {
    margin: 0;
    background: var(--admin-bg);
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.admin-shell { min-height: 100vh; }

.admin-sidebar {
    width: 250px;
    background: var(--admin-sidebar);
    min-height: 100vh;
}

.admin-brand {
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}

.admin-nav-heading {
    color: rgba(255,255,255,0.5);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 1rem .75rem .35rem;
    font-weight: 600;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: .55rem .75rem;
    border-radius: 8px;
    margin-bottom: 2px;
    font-size: .9rem;
    transition: background .15s;
}

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

.admin-topbar {
    background: #fff;
    border-bottom: 1px solid #e9ecef;
    height: 60px;
}

.admin-content { min-height: calc(100vh - 60px); }

.admin-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    padding: 1.5rem;
}

.stat-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    padding: 1.25rem;
    text-align: center;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: #e6194d;
}

.stat-card .label {
    color: #6c757d;
    font-size: .85rem;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e6194d, #bc1440);
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

@media (max-width: 768px) {
    .admin-sidebar { display: none; }
}