:root {
    --primary: #4CAF50;
    --primary-dark: #3d9441;
    --surface: #ffffff;
    --muted: #64748b;
    --line: #e2e8f0;
}

body {
    background: #f4f7f5;
    color: #0f172a;
}

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

.sidebar {
    width: 270px;
    background: var(--surface);
    border-right: 1px solid var(--line);
    padding: 20px 16px;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    overflow-y: auto;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.brand-mark {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}

.brand small,
.user-box span,
.page-subtitle {
    display: block;
    color: var(--muted);
}

.user-box {
    background: #ecfdf3;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    padding: 12px;
    margin: 18px 0;
}

.sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #334155;
    font-weight: 700;
    border-radius: 8px;
    padding: 11px 12px;
    margin-bottom: 4px;
}

.sidebar .nav-link.active,
.sidebar .nav-link:hover {
    background: var(--primary);
    color: #fff;
}

.content {
    margin-left: 270px;
    padding: 24px;
    width: calc(100% - 270px);
}

.topbar {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 22px;
}

.page-title {
    font-size: 28px;
    margin: 0;
    font-weight: 800;
}

.card {
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 8px 22px rgba(15, 23, 42, .04);
}

.stat-card {
    min-height: 122px;
}

.stat-value {
    font-size: 30px;
    font-weight: 800;
}

.btn-primary,
.bg-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.btn-primary:hover {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}

.text-primary {
    color: var(--primary) !important;
}

.table td,
.table th {
    vertical-align: middle;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #ecfdf3, #f8fafc);
}

.login-card {
    width: min(440px, calc(100% - 28px));
}

.settings-logo-preview {
    max-width: 220px;
    max-height: 110px;
    object-fit: contain;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px;
    background: #fff;
}

@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform .2s ease;
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .content {
        margin-left: 0;
        width: 100%;
        padding: 16px;
    }
}