:root{--bg:#f4f6f8;--card:#fff;--ink:#111827;--muted:#667085;--line:#e5e7eb;--brand:#cab53a;--brand2:#e7cf4a;--dark:#111315;--green:#16a34a;--blue:#2563eb;--red:#dc2626;--radius:18px;--shadow:0 10px 30px rgba(15,23,42,.06)}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:272px;background:#111315;color:#fff;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:30}.brand{display:flex;gap:12px;align-items:center;padding:24px 20px;border-bottom:1px solid #272b2f}.brand img{width:48px;height:48px;object-fit:contain;border-radius:12px;background:#fff;padding:5px}.brand strong{display:block;font-size:15px}.brand small,.user-chip small{display:block;color:#a9afb7;margin-top:3px}.nav{padding:18px 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