*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #1e3a5f;--primary-hover: #152d4a;--danger-color: #dc2626;--success-color: #16a34a;--text-primary: #111827;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-white: #ffffff;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#f5f5f5;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.container{width:100%;max-width:440px}.login-container{background:var(--bg-white);border-radius:var(--radius-lg);padding:40px;box-shadow:0 1px 3px #00000014,0 1px 2px #0000000a;position:relative;overflow:visible;border:1px solid #e5e7eb}.login-header{margin-bottom:28px;text-align:center}.logo-container{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:8px}.logo-icon{font-size:32px}.main-title{font-size:26px;font-weight:700;color:var(--primary-color);letter-spacing:-.5px}.subtitle{color:var(--text-secondary);font-size:14px;line-height:1.5;text-align:center}h2{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.description{color:var(--text-secondary);font-size:14px;margin-bottom:28px}.login-form{display:flex;flex-direction:column;gap:18px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:12px;font-weight:600;color:#374151;letter-spacing:.5px}.form-group input[type=email],.form-group input[type=password]{width:100%;padding:10px 14px;border:1px solid #d1d5db;border-radius:var(--radius-md);font-size:14px;color:var(--text-primary);transition:border-color .2s,box-shadow .2s;outline:none;background:#f9fafb}.form-group input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #1e3a5f1a;background:#fff}.form-group input.error{border-color:var(--danger-color);box-shadow:0 0 0 3px #dc26261a}.form-group input::placeholder{color:#9ca3af}.password-wrapper{position:relative}.password-wrapper input{padding-right:50px!important}.toggle-password{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;padding:6px;opacity:.5;transition:opacity .2s}.toggle-password:hover{opacity:.8}.eye-icon{font-size:16px;-webkit-user-select:none;user-select:none}.forgot-link{font-size:12px;color:var(--primary-color);text-decoration:none;font-weight:500;align-self:flex-end;margin-top:2px}.forgot-link:hover{text-decoration:underline}.checkbox-group{flex-direction:row;margin-top:-4px}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;color:#374151;font-weight:400}.checkbox-label input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--primary-color);border:1px solid #d1d5db;border-radius:3px}.btn-primary{width:100%;padding:12px;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s;position:relative;overflow:hidden;letter-spacing:.2px}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:active{transform:scale(.99)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.divider{display:flex;align-items:center;text-align:center;color:#9ca3af;font-size:12px;font-weight:500;margin:4px 0}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid #e5e7eb}.divider:before{margin-right:12px}.divider:after{margin-left:12px}.social-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px}.btn-social{padding:10px;border:1px solid #d1d5db;border-radius:var(--radius-md);background:var(--bg-white);color:#374151;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s,border-color .2s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-social:hover{background:#f9fafb;border-color:#9ca3af}.btn-social svg{flex-shrink:0}.auth-error{background:#fef2f2;color:#dc2626;padding:12px 16px;border-radius:var(--radius-md);border:1px solid #fecaca;font-size:13px;font-weight:500;margin-bottom:16px;text-align:center}.register-link{text-align:center;font-size:14px;color:var(--text-secondary);margin-top:20px}.register-link a{color:var(--primary-color);text-decoration:none;font-weight:500}.register-link a:hover{text-decoration:underline}.footer-links{display:flex;justify-content:center;gap:8px;margin-top:16px;font-size:12px;color:#9ca3af}.footer-links a{color:#6b7280;text-decoration:none}.footer-links a:hover{color:var(--text-primary)}.footer-links span{color:#d1d5db}.security-badge{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:16px;padding-top:16px;border-top:1px solid #f3f4f6;font-size:11px;font-weight:500;color:#9ca3af;letter-spacing:.5px}.lock-icon{font-size:12px}.status-bar{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:10px;font-size:11px;color:#16a34a;font-weight:500}.status-indicator{width:6px;height:6px;background:#16a34a;border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#fffffff2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;opacity:0;pointer-events:none;transition:opacity .3s;border-radius:var(--radius-lg);z-index:10}.loading-overlay.active{opacity:1;pointer-events:all}.spinner{width:36px;height:36px;border:2.5px solid #e5e7eb;border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay p{font-size:14px;color:#6b7280;font-weight:500}.input-error{color:#dc2626;font-size:12px;margin-top:4px}.notification{position:fixed;top:20px;left:50%;transform:translate(-50%);padding:12px 20px;border-radius:6px;font-size:13px;font-weight:500;opacity:0;pointer-events:none;transition:opacity .3s;text-align:center;max-width:90%;z-index:1000;box-shadow:0 4px 6px -1px #0000001a}.notification.active{opacity:1;pointer-events:all}.notification.error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.notification.success{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}@media (max-width: 480px){.login-container{padding:28px 24px}h2{font-size:18px}.main-title{font-size:22px}.social-buttons{grid-template-columns:1fr}}