:root {
    --font-sans: "Vazirmatn", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --color-bg: #f6f8fb;
    --color-bg-strong: #eef2f7;
    --color-surface: #ffffff;
    --color-surface-alt: #f2f4f8;
    --color-border: #e3e8ef;
    --color-border-strong: #cfd8e3;
    --color-muted: #6b7280;
    --color-text: #0f172a;
    --color-heading: #0b3d2e;
    --color-primary: #0f9d58;
    --color-primary-strong: #0b7a46;
    --color-primary-soft: #dff6eb;
    --color-accent: #fbbf24;
    --color-accent-strong: #d97706;
    --color-success: #16a34a;
    --color-success-soft: #e8f9ef;
    --color-danger: #dc2626;
    --color-danger-soft: #fef2f2;
    --color-warning: #f59e0b;
    --color-warning-soft: #fffbeb;
    --color-info: #0ea5e9;
    --color-info-soft: #e0f2fe;
    --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --space-1: 0.5rem;
    --space-2: 0.75rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    --space-6: 2.5rem;
    --transition: 180ms ease;
}