body.admin-body {
    background: #f3f4f6;
    min-height: 100vh;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.admin-sidebar {
    width: 230px;
    min-height: 100vh;
    background: #0f172a;
    color: #e2e8f0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    padding: 1.1rem 1rem 1.2rem;
    font-size: 1.05rem;
}

.sidebar-brand:hover { color: #fff; }

.admin-sidebar .nav-link {
    color: #cbd5e1;
    border-radius: 8px;
    margin-bottom: 0.2rem;
    padding: 0.55rem 0.8rem;
}

.admin-sidebar .nav-link i { margin-right: 0.4rem; }

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background: #1e293b;
    color: #fff;
}

.admin-main { min-width: 0; }

.admin-topbar {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-content { padding: 1.25rem; }

.stat-card { border: 0; box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05); }

.admin-login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, #eef2ff, #f8fafc);
}

.login-wrap { width: 100%; max-width: 400px; padding: 1rem; }

.login-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto;
    border-radius: 12px;
    background: #4f46e5;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.btn-primary {
    background: #4f46e5;
    border-color: #4f46e5;
}

.btn-primary:hover {
    background: #4338ca;
    border-color: #4338ca;
}