body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft JhengHei,PingFang TC,sans-serif;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e 60%,#0f3460)}.login-card{background:#fff;border-radius:14px;padding:40px 36px 36px;width:360px;box-shadow:0 12px 40px rgba(0,0,0,.4);text-align:center}.login-logo{margin-bottom:12px}.login-logo img{width:64px;height:64px;object-fit:contain}.login-card h2{font-size:17px;font-weight:700;color:#1a1a2e;margin-bottom:4px}.login-subtitle{font-size:12px;color:#aaa;margin-bottom:24px}.login-tabs{display:flex;border-radius:7px;overflow:hidden;border:1px solid #e0e0e0;margin-bottom:22px}.login-tab{flex:1 1;padding:8px;border:none;background:#fafafa;font-size:13px;cursor:pointer;color:#666;transition:background .15s,color .15s}.login-tab.active{background:#004165;color:#fff;font-weight:600}.login-field{text-align:left;margin-bottom:14px}.login-field label{display:block;font-size:11px;color:#666;margin-bottom:5px}.login-field input{width:100%;padding:9px 11px;border:1px solid #ccc;border-radius:6px;font-size:13px;transition:border-color .2s}.login-field input:focus{outline:none;border-color:#004165}.login-error{font-size:12px;color:#e63946;min-height:20px;margin-bottom:10px;text-align:left}.btn-login-submit{width:100%;padding:11px;background:#772432;color:#fff;border:none;border-radius:7px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}.btn-login-submit:hover{background:#5a1a25}.btn-login-submit:disabled{background:#a9b2b1;cursor:not-allowed}.btn-login-submit .spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:6px}@keyframes spin{to{transform:rotate(1turn)}}.login-divider{display:flex;align-items:center;gap:10px;font-size:11px;color:#aaa;margin:18px 0 14px}.login-divider:after,.login-divider:before{content:"";flex:1 1;height:1px;background:#e5e5e5}.btn-microsoft{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:10px;background:#fff;color:#333;border:1px solid #c8c8c8;border-radius:7px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s}.btn-microsoft:hover{background:#f5f5f5}.login-notice{border-radius:8px;padding:10px 14px;margin-bottom:18px;font-size:12px;line-height:1.6;text-align:left}.login-notice.info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}.login-notice.error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.login-field select{width:100%;padding:9px 11px;border:1px solid #ccc;border-radius:6px;font-size:13px;background:#fff}.login-readonly{font-size:13px;color:#334155;padding:2px 0;word-break:break-all}