*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#0a1628;color:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:#d4af37;text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#1a2a4a}::-webkit-scrollbar-thumb{background:#c9a227;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#d4af37}.formula{font-family:"Cambria Math",Times New Roman,serif;font-style:italic;background:#ffffff0d;padding:10px 15px;border-radius:4px;border-left:3px solid #c9a227;margin:10px 0}.formula .formula-name{font-weight:700;color:#c9a227;font-style:normal;margin-bottom:5px;display:block}.formula .formula-eq{font-size:1.1rem;color:#ecf0f1}.formula sub,.formula sup{font-size:.7em}code{font-family:Consolas,Monaco,monospace;background:#0000004d;padding:2px 6px;border-radius:3px;font-size:.9em}pre{background:#0d1929;padding:15px;border-radius:6px;overflow-x:auto;border:1px solid rgba(201,162,39,.2)}pre code{background:none;padding:0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px}::selection{background:#c9a22766;color:#fff}.password-gate{display:flex;align-items:center;justify-content:center;min-height:100vh;background:#0a1628}.password-box{background:#12213d;border:1px solid #1e3a5f;border-radius:8px;padding:2.5rem;text-align:center;max-width:400px;width:90%}.password-box h2{color:#e2e8f0;font-size:1.4rem;margin-bottom:.5rem}.password-box p{color:#94a3b8;font-size:.9rem;margin-bottom:1.5rem}.password-box .password-input-row{display:flex;gap:.5rem}.password-box .password-input-row input{flex:1;padding:.6rem 1rem;background:#0a1628;border:1px solid #1e3a5f;border-radius:4px;color:#e2e8f0;font-size:.9rem;outline:none}.password-box .password-input-row input:focus{border-color:#3498db}.password-box .password-input-row button{padding:.6rem 1.25rem;background:#3498db;border:none;border-radius:4px;color:#fff;font-weight:600;cursor:pointer}.password-box .password-input-row button:hover{background:#2980b9}.password-box .password-error{color:#e74c3c;font-size:.8rem;margin-top:.75rem;margin-bottom:0}.password-box .password-hint{color:#888;font-size:.75rem;margin-top:1rem;font-style:italic}.password-box .loading-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:#3498db;border-radius:50%;animation:spin 1s linear infinite;margin:1.5rem auto 0}@keyframes spin{to{transform:rotate(360deg)}}.password-box .auth-section{margin-top:1.5rem;display:flex;flex-direction:column;align-items:center;gap:1rem}.password-box .google-signin-btn{display:flex;align-items:center;gap:12px;padding:12px 24px;background:#fff;border:1px solid #dadce0;border-radius:4px;font-size:14px;font-weight:500;color:#3c4043;cursor:pointer;transition:all .2s ease}.password-box .google-signin-btn:hover{background:#f7f8f8;box-shadow:0 1px 3px #0000001a}.password-box .google-signin-btn .google-icon{flex-shrink:0}.password-box .user-info{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#ffffff0d;border-radius:8px;margin-bottom:.5rem}.password-box .user-photo{width:40px;height:40px;border-radius:50%;border:2px solid rgba(255,255,255,.2)}.password-box .user-details{display:flex;flex-direction:column;gap:2px}.password-box .user-name{font-weight:600;color:#fff;font-size:.95rem}.password-box .user-email{color:#aaa;font-size:.8rem}.password-box .not-authorized-message{text-align:center;padding:1rem;background:#e74c3c1a;border:1px solid rgba(231,76,60,.3);border-radius:8px;margin:.5rem 0}.password-box .warning-text{color:#e74c3c;font-weight:500;margin:0 0 .5rem}.password-box .contact-text{color:#ccc;margin:0;font-size:.9rem}.password-box .contact-text a{color:#3498db;text-decoration:none}.password-box .contact-text a:hover{text-decoration:underline}.password-box .sign-out-btn{padding:8px 20px;background:transparent;border:1px solid #666;border-radius:4px;color:#aaa;font-size:.85rem;cursor:pointer;transition:all .2s ease}.password-box .sign-out-btn:hover{border-color:#888;color:#fff}.export-control-notice{background:linear-gradient(135deg,#c9a22729,#e74c3c1f);border-bottom:2px solid #c9a227;padding:16px 32px}.export-control-notice .notice-content{max-width:1200px;margin:0 auto}.export-control-notice .notice-title{color:#c9a227;font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:.85rem;margin-bottom:8px}.export-control-notice p{margin:0 0 8px;color:#ecf0f1;font-size:.9rem;line-height:1.5}.export-control-notice .notice-cta{color:#f39c12;font-weight:600}@media(max-width:768px){.export-control-notice{padding:14px 18px}}