:root{--ui-bg: #f4f7fb;--ui-surface: #ffffff;--ui-surface-soft: #f8faff;--ui-border: #e2e8f0;--ui-text: #0f172a;--ui-muted: #64748b;--ui-primary: #3b82f6;--ui-primary-hover: #2563eb;--ui-radius-control: 8px;--ui-control-height: 26px;--ui-control-px: 8px;--ui-control-font-size: 10px}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:DM Sans,Noto Sans Arabic,Noto Sans,system-ui,-apple-system,Segoe UI,sans-serif;background:#f6f8fb;color:#1f2733;min-height:100vh}a{color:#0b2447}