:root{--bg:#f4f5f7;--surface:#fff;--surface-2:#f0f1f3;--border:#d0d3d9;--border-strong:#b0b5be;--text-primary:#1a1d23;--text-secondary:#5a6070;--text-muted:#8a909e;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-light:#eff6ff;--danger:#dc2626;--danger-light:#fef2f2;--success:#16a34a;--success-light:#f0fdf4;--warning:#d97706;--warning-light:#fffbeb;--radius:4px;--radius-sm:2px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;--font-mono:"SFMono-Regular", Consolas, monospace;--shadow-sm:0 1px 2px #00000012;--shadow:0 1px 4px #0000001a;--header-h:44px;--tab-h:36px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{direction:rtl;height:100%;font-size:14px}body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}#__next,main{height:100%}a{color:inherit;text-decoration:none}button{font-family:var(--font);cursor:pointer;border:none;outline:none;font-size:13px}input,textarea,select{font-family:var(--font);direction:rtl;outline:none;font-size:13px}h1{font-size:18px;font-weight:600}h2{font-size:15px;font-weight:600}h3{font-size:13px;font-weight:600}