:root{--navy:#073b5b;--navy-mid:#0c3352;--navy-light:#1a5276;--steel:#54788e;--steel-light:#7a9bab;--steel-pale:#cfdbe3;--gold:#54788e;--gold-light:#cfdbe3;--gold-pale:#ebf2f5;--bg:#e8f0f5;--surface:#fff;--surface-2:#f0f6fa;--text-1:#0c2233;--text-2:#3d5a6a;--text-3:#7a9bab;--border:#c5d8e4;--border-2:#a8c4d2;--green:#16a34a;--green-bg:#dcfce7;--red:#dc2626;--red-bg:#fee2e2;--amber:#d97706;--amber-bg:#fef3c7;--blue:#2563eb;--blue-bg:#dbeafe;--teal:#0d9488;--teal-bg:#ccfbf1;--purple:#7c3aed;--purple-bg:#ede9fe;--radius-sm:6px;--radius:10px;--radius-lg:14px;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow:0 4px 16px #00000014, 0 1px 4px #0000000a;--shadow-lg:0 12px 40px #0000001f;--sidebar-w:240px;--topbar-h:60px;--bottom-nav-h:64px;--transition:.2s 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20px;display:flex}.sidebar-brand-name{letter-spacing:1.2px;color:var(--gold);text-transform:uppercase;font-size:12px;font-weight:700}.sidebar-brand-sub{color:#ffffff59;margin-top:4px;font-size:11px;line-height:1.4}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.sidebar-nav-label{letter-spacing:1.5px;color:#ffffff40;text-transform:uppercase;padding:10px 20px 6px;font-size:9px;font-weight:700}.sidebar-nav-item{color:#ffffff80;text-align:left;width:100%;transition:all var(--transition);background:0 0;border:none;border-left:3px solid #0000;border-radius:0;align-items:center;gap:12px;padding:11px 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#ffffff0f;align-items:center;gap:10px;padding:16px 20px;display:flex}.sidebar-footer-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:7px;height:7px;box-shadow:0 0 0 3px #16a34a33}.sidebar-user{border-top:1px solid #ffffff12;justify-content:space-between;align-items:center;gap:8px;padding:14px 16px;display:flex}.sidebar-user-info{align-items:center;gap:10px;min-width:0;display:flex}.sidebar-user-avatar{width:32px;height:32px;color:var(--gold-light);background:#c9a84c33;border:1px solid #c9a84c4d;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.sidebar-user-name{color:#fffc;white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:600;overflow:hidden}.sidebar-user-email{color:#ffffff4d;white-space:nowrap;text-overflow:ellipsis;margin-top:1px;font-size:10px;overflow:hidden}.sidebar-logout-btn{color:#fff6;cursor:pointer;transition:all var(--transition);background:#ffffff0f;border:1px solid #ffffff1a;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:6px;display:flex}.sidebar-logout-btn:hover{color:#fca5a5;background:#ef444426;border-color:#ef44444d}.topbar-logout{background:var(--surface-2);border:1px solid var(--border);color:var(--text-3);cursor:pointer;transition:all var(--transition);border-radius:7px;justify-content:center;align-items:center;padding:7px;display:flex}.topbar-logout:hover{color:var(--red);background:#fef2f2;border-color:#fecaca}.main-content{margin-left:var(--sidebar-w);flex-direction:column;flex:1;min-height:100vh;display:flex}.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);z-index:100;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 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var(--border);border-radius:12px;padding:24px}.upload-card-header{align-items:center;gap:12px;margin-bottom:20px;display:flex}.upload-card-icon{font-size:24px}.upload-card-title{color:var(--text-1);font-size:15px;font-weight:700}.upload-card-sub{color:var(--text-3);font-size:12px}.upload-dropzone{border:2px dashed var(--border-2);text-align:center;cursor:pointer;background:var(--surface-2);border-radius:10px;padding:36px 20px;transition:all 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