:root{--bg:#fff;--sidebar:#f3f4f6;--surface:#fff;--ink:#1f2933;--muted:#6b7280;--line:#d8dde3;--line-soft:#eef1f4;--blue:#2f6fad;--blue-soft:#e8f1fb;--green:#1f7a4b;--red:#b42318;--amber:#a15c07}*{box-sizing:border-box}html{direction:rtl}body{background:var(--bg);color:var(--ink);margin:0;font-family:Tahoma,Arial,sans-serif;font-size:13px}button,input,select{font:inherit}.app-shell{background:var(--bg);grid-template-columns:250px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--sidebar);color:var(--ink);border-left:1px solid var(--line);flex-direction:column;gap:12px;padding:12px 10px;display:flex}.brand{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:8px 8px 14px;display:flex}.brand-mark{background:var(--blue);color:#fff;border-radius:4px;place-items:center;width:34px;height:34px;font-size:20px;font-weight:800;display:grid}.brand strong,.brand span{display:block}.brand strong{font-size:13px;line-height:1.5}.brand 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