:root{--bg:#f4f7fa;--panel:#fff;--soft:#eef4f8;--ink:#17202a;--muted:#667789;--line:#dbe5ed;--blue:#2563eb;--green:#15803d;--orange:#b45309;--red:#b91c1c;--teal:#0f766e;--shadow:0 14px 36px rgba(24,36,51,.08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.app{min-height:100vh;display:grid;grid-template-columns:264px minmax(0,1fr)}.sidebar{background:#111827;color:#f8fafc;padding:24px 20px;display:flex;flex-direction:column;gap:28px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:40px;height:40px;border-radius:8px;background:#38bdf8;color:#082f49;display:grid;place-items:center;font-weight:800}.brand span,.brand strong{display:block}.brand span{color:#a8b3c2;font-size:12px}.nav{display:grid;grid-gap:6px;gap:6px}.nav 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