        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        .icon {
            display: flex;
            align-items: center;
            gap: 8px;
            background: none;
            border: none;
            cursor: pointer;
            fill: #767a72;          /* 아이콘·텍스트 색상 제어 */
          }
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: #2c3e50;
            padding: 12px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            z-index: 100;
          }
          
          /* assuming your nav’s computed height is 60px (padding, font-size, etc) */
          body {
            padding-top: 0;
          }

        .nav-container {
            max-width: 1800px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-text {
            color: white;
            font-weight: bold;
            font-size: 1.1em;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .username {
            color: white;
            font-size: 14px;
        }

        .logout-btn {
            display: flex;
            align-items: center;
            color: white;
            text-decoration: none;
        }

        .main-content {
            min-height: calc(100vh - 60px);
        }

        .nav-links {
            display: flex;
            gap: 20px;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 5px;
            transition: background-color 0.3s;
        }

        .auth-links {
            display: flex;
            align-items: center;
            gap: 10px;
            color: white;
        }

        .auth-links a {
            color: white;
            text-decoration: none;
        }

        .nav-links a:hover {
            background-color: rgba(255,255,255,0.1);
        }

        .nav-links a.active {
            background-color: #27ae60;
            color: white;
        }

        .controls {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 6px 14px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
        }

        .btn-primary {
            background-color: #2c3e50;
            color: white;
        }

        .btn-primary:hover {
            background-color: #34495e;
        }

        .btn-success {
            background-color: #27ae60;
            color: white;
        }

        .btn-success:hover {
            background-color: #219a52;
        }

        .btn-secondary {
            background-color: #95a5a6;
            color: white;
        }

        .btn-secondary:hover {
            background-color: #7f8c8d;
        }

        .container {
            max-width: 95%;
            margin: 10px auto;
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            overflow: hidden;
            height: calc(100% - 50px);
        }

        .filter-controls {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .column-toggle {
            background: #ecf0f1;
            padding: 16px;
            border-bottom: 1px solid #bdc3c7;
            border-radius: 0 0 8px 8px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
            max-height: 50vh;
            overflow-y: auto;
            position: relative;
            z-index: 2;
        }

        .column-toggle h4 {
            margin-bottom: 10px;
            color: #2c3e50;
            position: sticky;
            top: 0;
            background: #ecf0f1;
            padding-bottom: 8px;
        }

        .column-checkboxes {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 10px;
        }

        .column-checkboxes label {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            cursor: pointer;
        }

        .container.column-panel-open {
            overflow: visible;
        }

        .table-container {
            position: relative;
            overflow: auto;
            height: calc(100vh - 100px);
            border: 1px solid #bdc3c7;
        }

        .universe-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0px;
            font-size: 12px;
            padding: 0px;
        }
        .universe-table td {
            border-left: 1px solid #bdc3c7;
            border-bottom: 1px solid #bdc3c7;
        }

        .universe-table th,
        .universe-table td {
            margin: 0px;
            padding: 6px;
            text-align: right;
            white-space: nowrap;
        }

        .universe-table th {
            text-align: center;
            background-color: #34495e;
            color: white;
            font-weight: 600;
            position: sticky;
            top: 0;
            z-index: 10;
        }

        /* 고정 컬럼 스타일 */
        .universe-table th:nth-child(1),
        .universe-table td:nth-child(1) {
            position: sticky;
            left: 0;
            background-color: white;
            z-index: 5;
            border-left:none;
            padding-right: 8px;
        }

        .universe-table th:nth-child(2),
        .universe-table td:nth-child(2) {
            position: sticky;
            left: 35px;
            background-color: white;
            z-index: 5;
            
            width: 80px;
        }

        .universe-table th:nth-child(3),
        .universe-table td:nth-child(3) {
            position: sticky;
            left: 93px;
            background-color: white;
            z-index: 5;
            border-right: 1px solid #444f5a;
            text-align: left;
            width: 120px;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* 헤더 고정 시 고정 컬럼 배경 */
        .universe-table th:nth-child(1),
        .universe-table th:nth-child(2),
        .universe-table th:nth-child(3) {
            background-color: #2c3e50;
            z-index: 15;
        }
        .universe-table tbody tr:nth-child(odd) td {
            background-color: #eceff1;
        }

        .sort-header {
            cursor: pointer;
            user-select: none;
            position: relative;
            padding-right: 20px;
        }

        .sort-header:hover {
            background-color: #34495e;
        }

        .sort-header::after {
            content: '↕';
            position: absolute;
            right: 5px;
            opacity: 0.5;
        }

        .sort-header.asc::after {
            content: '↑';
            opacity: 1;
            color: #27ae60;
        }

        .sort-header.desc::after {
            content: '↓';
            opacity: 1;
            color: #27ae60;
        }

        .checkbox-col {
            text-align: center;
        }

        .checkbox-col input[type="checkbox"] {
            transform: scale(1.2);
        }

        /* 숫자 색깔 규칙 */
        .value-positive-return { color: #27ae60 !important; font-weight: bold; } /* 수익률 양수 */
        .value-negative-return { color: #e74c3c !important; font-weight: bold; } /* 수익률 음수 */
        .value-positive-debt { color: #333 !important; } /* 부채 양수 */
        .value-negative-debt { color: #27ae60 !important; } /* 부채 음수 */
        .value-positive-trading { color: #333 !important; } /* 투자주체 양수 */
        .value-negative-trading { color: #e74c3c !important; } /* 투자주체 음수 */
        .value-neutral { color: #333 !important; } /* 기본 */
        .fomo-positive { color: #e66017 !important; font-weight: bold; }
        .fomo-negative { color: #0a2b85 !important; font-weight: bold; }

        /* Stock Report Styles */
        .header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 30px 0;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }

        .company-logo {
            height: 50px;
            vertical-align: middle;
        }

        .header .subtitle {
            font-size: 1.2em;
            opacity: 0.9;
        }

        .nav-brand svg {
            width: 24px;
            height: 24px;
            fill: white;
        }

        .dropdown {
            position: relative;
            margin-left: auto;
        }

        .dropdown-btn {
            background-color: #27ae60;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 5px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
        }

        .dropdown-btn:hover {
            background-color: #219a52;
        }

        .dropdown-content {
            display: none;
            position: absolute;
            right: 0;
            top: 110%;
            background-color: #fff;
            min-width: 150px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
            z-index: 200;
            border-radius: 5px;
        }

        .dropdown-content a {
            color: #333;
            padding: 10px 12px;
            text-decoration: none;
            display: block;
        }

        .dropdown-content a:hover {
            background-color: #f8f9fa;
        }

        .dropdown.show .dropdown-content {
            display: block;
        }

        .pplx-icon {
            width: 16px;
            height: 16px;
            vertical-align: middle;
        }

        .sidebar {
            position: fixed;
            top: 0;
            right: -75%;
            width: 75%;
            height: 100%;
            background: #fff;
            box-shadow: -2px 0 5px rgba(0,0,0,0.3);
            z-index: 1000;
            transition: right 0.3s ease;
        }

        .sidebar.show {
            right: 0;
        }

        .sidebar iframe {
            width: 100%;
            height: 100%;
            border: none;
        }

        .sidebar-close {
            position: absolute;
            top: 10px;
            left: 10px;
            background: #27ae60;
            color: white;
            border: none;
            padding: 5px 10px;
            border-radius: 5px;
            cursor: pointer;
            z-index: 1001;
        }

        .toc {
            position: fixed;
            top: 250px;
            left: 5px;
            width: 230px;
            max-height: calc(100vh - 20px);
            overflow-y: auto;
            background: #fff;
            border: 1px dotted #ddd;
            padding: 15px 10px 15px 20px;
            font-size: 14px;
        }

        @media (max-width: 1645px) {
            .toc {
                display: none;
            }
        }

        .toc ul {
            list-style: none;
            padding-left: 0;
        }

        .toc a {
            display: block;
            color: #34495e;
            text-decoration: none;
            margin: 4px 0;
        }

        .toc a:hover {
            text-decoration: underline;
        }

        .toc-top {
            font-weight: bold;
            color: #2c3e50 !important;
            background: #ecf0f1;
            padding: 8px 12px;
            margin: -5px -10px 10px -10px;
            border-radius: 5px;
            text-align: center;
        }

        .toc-top:hover {
            background: #d5dbdb;
            text-decoration: none;
        }

        .section {
            background: white;
            margin-bottom: 20px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        .section-header {
            background: #34495e;
            color: white;
            padding: 15px 20px;
            font-size: 1.2em;
            font-weight: bold;
        }

        .section-content {
            padding: 20px;
        }

        .basic-info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 20px;
        }

        .info-card {
            background: #ecf0f1;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
        }

        .info-label {
            font-size: 0.9em;
            color: #7f8c8d;
            margin-bottom: 5px;
        }

        .info-value {
            font-size: 1.3em;
            font-weight: bold;
            color: #333;
        }

        .chart-container {
            text-align: center;
            padding: 0px;
            background: #ffffff;
            border-radius: 0px;
            margin: 10px 0;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 15px 0;
            font-size: 11px;
        }

        .data-table th,
        .data-table td {
            border: 1px solid #bdc3c7;
            padding: 8px;
            text-align: left;
        }

        .data-table th {
            background-color: #ecf0f1;
            font-weight: bold;
        }

        .data-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }

        .text-content {
            background: #ecf0f1;
            padding: 20px;
            border-radius: 8px;
            margin: 15px 0;
            line-height: 1.8;
        }

        .text-content h3 {
            color: #2c3e50;
            margin-bottom: 10px;
        }

        .text-content h4 {
            color: #34495e;
            margin: 15px 0 8px 0;
        }

        .text-content p {
            margin-bottom: 10px;
        }

        .text-content li {
            margin-left: 20px;
        }

        .technical-section {
            background: #ecf0f1;
            padding: 20px;
            border-radius: 8px;
            margin: 15px 0;
        }

        .technical-group {
            margin-bottom: 25px;
            padding: 15px;
            background: white;
            border-radius: 8px;
            border-left: 4px solid #2c3e50;
        }

        .technical-group h4 {
            color: #2c3e50;
            margin-bottom: 10px;
            font-size: 1.1em;
        }

        .business-section {
            background: #ecf0f1;
            padding: 20px;
            border-radius: 8px;
            margin: 15px 0;
        }

        .business-area {
            margin-bottom: 20px;
            padding: 15px;
            background: white;
            border-radius: 8px;
            border-left: 4px solid #27ae60;
        }

        .business-area h4 {
            color: #27ae60;
            margin-bottom: 10px;
        }

        .broker-report {
            background: #ecf0f1;
            padding: 15px;
            border-radius: 8px;
            margin: 10px 0;
            border-left: 4px solid #2c3e50;
        }

        .broker-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9em;
            color: #7f8c8d;
            flex-wrap: wrap;
        }

        .empty-state {
            text-align: center;
            padding: 40px;
            color: #7f8c8d;
            font-style: italic;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
        }

        .metric-item {
            text-align: center;
            padding: 15px;
            background: #ecf0f1;
            border-radius: 8px;
        }

        .metric-label {
            font-size: 0.9em;
            color: #7f8c8d;
            margin-bottom: 5px;
        }

        .metric-value {
            font-size: 1.2em;
            font-weight: bold;
        }

        .pattern-table {
            width: 100%;
            border-collapse: collapse;
            margin: 15px 0;
            font-size: 12px;
        }

        .pattern-table th,
        .pattern-table td {
            border: 1px solid #bdc3c7;
            padding: 8px;
            text-align: left;
        }

        .pattern-table th {
            background-color: #34495e;
            color: white;
            font-weight: bold;
        }

        .pattern-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }

        /* ESG 관련 스타일 */
        .esg-section {
            margin-top: 20px;
        }

        .esg-title {
            color: #2c3e50;
            margin-bottom: 15px;
        }

        .esg-metrics {
            margin-bottom: 10px;
        }

        .esg-low {
            color: #27ae60 !important;
        }

        .esg-medium {
            color: #f39c12 !important;
        }

        .esg-high {
            color: #e74c3c !important;
        }

        .esg-detail {
            background: #ecf0f1;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .esg-detail h6 {
            margin-bottom: 8px;
        }

        .esg-detail p {
            margin: 0;
            font-size: 13px;
            line-height: 1.6;
        }

        .esg-env {
            border-left: 4px solid #27ae60;
        }

        .esg-env h6 {
            color: #27ae60;
        }

        .esg-social {
            border-left: 4px solid #3498db;
        }

        .esg-social h6 {
            color: #3498db;
        }

        .esg-governance {
            border-left: 4px solid #9b59b6;
        }

        .esg-governance h6 {
            color: #9b59b6;
        }

        /* Stock Report Mobile Responsive */
        @media (max-width: 768px) {
            .basic-info-grid {
                grid-template-columns: 1fr;
            }
            
            .metrics-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }

            .broker-meta {
                flex-direction: column;
                gap: 5px;
            }
        }

        .selected-count {
            font-weight: bold;
            color: #2c3e50;
        }

        .hidden-row {
            display: none;
        }

        .filtered-out {
            display: none;
        }

        .column-filters {
            display: grid;
            grid-template-columns: 1fr;
            gap: 8px;
            max-height: 400px;
            overflow-y: auto;
            padding: 10px 0;
        }

        .filter-row {
            display: flex;
            align-items: center;
            padding: 5px;
            background: white;
            border-radius: 5px;
        }

        .filter-row label {
            flex-shrink: 0;
        }

        .filter-row input[type="number"] {
            border: 1px solid #bdc3c7;
            border-radius: 3px;
            padding: 4px 8px;
            font-size: 12px;
        }

        .filter-row input[type="number"]:focus {
            outline: none;
            border-color: #2c3e50;
        }

        /* Research Completed 페이지 스타일 */
        .page-header {
            text-align: center;
            margin-bottom: 30px;
            padding: 30px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .page-header h1 {
            color: #2c3e50;
            font-size: 2.5em;
            margin-bottom: 10px;
        }

        .page-header p {
            color: #7f8c8d;
            font-size: 1.1em;
        }

        .search-form {
            text-align: center;
            margin-bottom: 20px;
        }

        .search-form input[type="text"] {
            padding: 8px 12px;
            border: 1px solid #ccc;
            border-radius: 5px;
            width: 200px;
        }

        .search-form button {
            padding: 8px 16px;
            border: none;
            background: #2c3e50;
            color: white;
            border-radius: 5px;
            cursor: pointer;
        }

        .stats-bar {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 30px;
            text-align: center;
        }

        .stats-number {
            font-size: 3em;
            font-weight: bold;
            color: #27ae60;
            margin-bottom: 10px;
        }

        .stats-label {
            font-size: 1.2em;
            color: #7f8c8d;
        }

        .stocks-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .stock-card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .stock-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
        }

        .stock-header {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 20px;
        }

        .stock-code {
            font-size: 1.1em;
            font-weight: bold;
            margin-bottom: 5px;
        }

        .stock-name {
            font-size: 1.3em;
            font-weight: bold;
        }

        .stock-content {
            padding: 20px;
        }

        .metric-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid #ecf0f1;
        }

        .metric-row:last-child {
            border-bottom: none;
        }

        .metric-label {
            font-size: 0.9em;
            color: #7f8c8d;
        }

        .metric-value {
            font-weight: bold;
            color: #2c3e50;
        }

        .metric-value.positive {
            color: #27ae60;
        }

        .metric-value.negative {
            color: #e74c3c;
        }

        .stock-actions {
            padding: 15px 20px;
            background: #ecf0f1;
            text-align: center;
        }

        .empty-state {
            text-align: center;
            padding: 80px 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .empty-state h2 {
            font-size: 2em;
            color: #2c3e50;
            margin-bottom: 20px;
        }

        .empty-state p {
            font-size: 1.1em;
            color: #7f8c8d;
            margin-bottom: 30px;
        }

        .empty-state a {
            color: #2c3e50;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1em;
        }

        .empty-state a:hover {
            color: #27ae60;
        }

        /* 모바일 메뉴 토글 버튼 스타일 */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 30px;
            height: 30px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: white;
            margin: 3px 0;
            transition: 0.3s;
            transform-origin: center;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        @media (max-width: 1280px) {
            .mobile-menu-toggle {
                display: flex;
            }

            .nav-container {
                justify-content: space-between;
                align-items: center;
                padding: 0 15px;
            }

            .nav-brand .brand-text {
                display: none;
            }

            .nav-menu {
                position: fixed;
                top: 48px;
                left: 0;
                width: 100%;
                background: #2c3e50;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease-in-out;
                box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            }

            .nav-menu.active {
                max-height: 300px;
            }

            .nav-links {
                flex-direction: column;
                gap: 0;
                width: 100%;
            }

            .nav-links a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                margin: 0;
                border-radius: 0;
                display: block;
                text-align: left;
            }

            .nav-links a:last-child {
                border-bottom: none;
            }

            .nav-actions {
                width: 100%;
                padding: 15px 20px;
                border-top: 1px solid rgba(255,255,255,0.1);
                justify-content: center;
            }

            .auth-links {
                justify-content: center;
            }
            
            .controls {
                flex-wrap: wrap;
                gap: 5px;
            }

            .btn {
                padding: 4px 8px;
                font-size: 12px;
            }
            
            .universe-table {
                font-size: 10px;
            }

            .universe-table th,
            .universe-table td {
                padding: 4px;
            }

            .column-checkboxes {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }

            /* Research completed 모바일 */
            .stocks-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            
            .page-header h1 {
                font-size: 2em;
            }
            
            .stats-number {
                font-size: 2.5em;
            }

            .search-form input[type="text"] {
                width: 150px;
            }

            /* 테이블 컨테이너 모바일 최적화 */
            .table-container {
                height: calc(100vh - 120px);
            }

            .container {
                max-width: 100%;
                margin: 5px;
                border-radius: 5px;
            }

            /* 고정 컬럼 너비 조정 */
            .universe-table th:nth-child(2),
            .universe-table td:nth-child(2) {
                width: 60px;
                left: 25px;
            }

            .universe-table th:nth-child(3),
            .universe-table td:nth-child(3) {
                width: 100px;
                left: 73px;
            }
        }

        @media (max-width: 480px) {
            .nav-container {
                padding: 0 10px;
            }

            .mobile-menu-toggle {
                width: 25px;
                height: 25px;
            }

            .mobile-menu-toggle span {
                width: 18px;
                height: 2px;
            }

            .nav-brand svg {
                width: 20px;
                height: 20px;
            }

            .page-header {
                padding: 20px;
                margin-bottom: 20px;
            }

            .page-header h1 {
                font-size: 1.8em;
            }

            .stats-number {
                font-size: 2em;
            }

            .stock-header {
                padding: 15px;
            }

            .stock-content {
                padding: 15px;
            }

            .search-form input[type="text"] {
                width: 120px;
                font-size: 14px;
            }

            .search-form button {
                padding: 8px 12px;
                font-size: 14px;
            }
        }

        /* PZ 그라데이션 */
        .pz-gradient {
            background: linear-gradient(90deg, #3498db, #f39c12, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: bold;
        }
.universe-table tbody tr:hover td { background-color: #dfe6e9; }

/* 리서치 완료/미완료 종목 스타일 */
.research-completed {
    color: #2c3e50 !important;
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s;
}

.research-completed:hover {
    color: #27ae60 !important;
    text-decoration: underline;
}

.research-pending {
    color: #95a5a6 !important;
    font-style: italic;
}

/* 로딩 오버레이 스타일 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(10px);
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #27ae60;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loading-text {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #27ae60, #3498db, #9b59b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textGlow 2s ease-in-out infinite alternate;
}

.loading-subtext {
    font-size: 16px;
    color: #bdc3c7;
    opacity: 0.8;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes textGlow {
    0% { 
        filter: brightness(1);
        transform: scale(1);
    }
    100% { 
        filter: brightness(1.2);
        transform: scale(1.05);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}
