:root{--blue:#1d4ed8;--blue-hover:#1e40af;--blue-light:#eff6ff;--blue-border:#bfdbfe;--dark:#0f172a;--dark2:#1e293b;--gray:#6b7280;--gray-light:#9ca3af;--bg:#f1f5f9;--white:#fff;--border:#e2e8f0;--red:#ef4444;--red-light:#fef2f2;--green:#16a34a;--green-light:#f0fdf4;--yellow:#d97706;--yellow-light:#fffbeb;--sidebar-w:220px;--radius:10px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -1px #0000000a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{color:#1f2937;background:var(--bg);height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:14px}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.layout{height:100%;display:flex}.sidebar{width:var(--sidebar-w);background:var(--dark);flex-direction:column;flex-shrink:0;min-height:100vh;padding:0;display:flex}.sidebar-logo{border-bottom:1px solid #ffffff12;padding:22px 20px 18px}.sidebar-logo h2{color:#f8fafc;letter-spacing:.3px;font-size:15px;font-weight:700}.sidebar-logo p{color:#64748b;margin-top:2px;font-size:11px}.sidebar nav{flex:1;padding:12px 10px}.nav-item{color:#94a3b8;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;margin-bottom:2px;padding:10px 12px;font-size:13.5px;font-weight:500;transition:background .15s,color .15s;display:flex}.nav-item:hover{color:#e2e8f0;background:#ffffff0f}.nav-item.active{background:var(--blue);color:#fff}.nav-item 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var(--border);border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:12px;padding:13px 18px;transition:background .15s;display:flex}.section-header:hover{background:#e9eef6}.section-header h3{color:var(--dark);font-size:14px;font-weight:700}.section-header .chevron{color:var(--gray);font-size:12px}.item-card{border:1.5px solid var(--border);background:var(--white);border-radius:8px;margin-bottom:10px;padding:16px}.history-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;display:grid}.history-card{background:var(--white);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:10px;padding:20px;display:flex}.history-card-title{color:var(--dark);font-size:15px;font-weight:700}.history-card-sub{color:var(--gray);font-size:12.5px}.spinner{border:2.5px solid #c7d2fe;border-top-color:var(--blue);border-radius:50%;width:20px;height:20px;animation:.7s linear infinite 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