body {
    margin: 0;
    background: #f5f7fb;
    color: #1f2937;
}

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

.admin-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 270px;
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    background: #111827;
    color: #fff;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 6px 22px;
}

.admin-logo {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: #2563eb;
}

.admin-brand-title {
    font-weight: 700;
}

.admin-brand-subtitle {
    color: #9ca3af;
    font-size: .8rem;
}

.admin-menu {
    display: grid;
    gap: 12px;
}

.sidebar-main-title {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #9ca3af;
    padding: 8px 10px;
    font-size: .8rem;
    text-transform: uppercase;
}

.sidebar-submenu {
    display: grid;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: #d1d5db;
    text-decoration: none;
}

.sidebar-link:hover {
    background: rgba(255,255,255,.08);
    color: #fff;
}

.admin-sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
}

.admin-main {
    min-height: 100vh;
    margin-left: 270px;
}

.admin-main.full {
    margin-left: 0;
}

.admin-topbar {
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 28px;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
}

.admin-content {
    padding: 28px;
}

.login-wrapper {
    min-height: 90vh;
    display: grid;
    place-items: center;
}

.login-card {
    width: min(430px, 100%);
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(15,23,42,.08);
}

.login-brand {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: #2563eb;
    color: white;
    margin-bottom: 18px;
}

.permission-row {
    padding: 12px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    margin-bottom: 10px;
}

@media (max-width: 991.98px) {
    .admin-sidebar {
        position: static;
        width: 100%;
    }

    .admin-main {
        margin-left: 0;
    }
}