:root {
    --sf-color-primary: #4f46e5;
    --sf-color-primary-hover: #4338ca;
    --sf-color-secondary: #0ea5e9;
    --sf-color-success: #16a34a;
    --sf-color-warning: #f59e0b;
    --sf-color-danger: #dc2626;
    --sf-color-ink: #0f172a;
    --sf-color-text: #334155;
    --sf-color-muted: #64748b;
    --sf-color-subtle: #94a3b8;
    --sf-color-page: #f6f8fb;
    --sf-color-surface: #ffffff;
    --sf-color-surface-soft: #f8fafc;
    --sf-color-border: #e2e8f0;
    --sf-color-border-strong: #cbd5e1;
    --sf-radius-xs: 4px;
    --sf-radius-sm: 6px;
    --sf-radius-md: 8px;
    --sf-radius-lg: 12px;
    --sf-space-1: .25rem;
    --sf-space-2: .5rem;
    --sf-space-3: .75rem;
    --sf-space-4: 1rem;
    --sf-space-5: 1.25rem;
    --sf-space-6: 1.5rem;
    --sf-shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
    --sf-shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
    --sf-shadow-lg: 0 18px 42px rgba(15, 23, 42, .12);
    --sf-font-family: Vazirmatn, IRANSansX, Tahoma, Arial, sans-serif;
    --sf-transition-fast: 150ms ease;
}

html,
body,
.mud-typography,
.mud-button-root,
.mud-input,
.mud-list-item-text,
.mud-table {
    font-family: var(--sf-font-family);
}

body {
    background: var(--sf-color-page);
    color: var(--sf-color-ink);
}

a {
    text-underline-offset: 3px;
}

.sf-surface {
    background: var(--sf-color-surface);
    border: 1px solid var(--sf-color-border);
    border-radius: var(--sf-radius-md);
    box-shadow: var(--sf-shadow-sm);
}

.sf-admin-shell {
    --sf-admin-sidebar-width: 286px;
    --sf-admin-topbar-height: 64px;
}