/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 默认黄色主题色（类似Beekeeper Studio） */
    --primary-color: #FFC107;
    --primary-dark: #FFA000;
    --primary-light: #FFECB3;
    --secondary-color: #FFD54F;
    --background: #1E1E1E;
    --surface: #2D2D2D;
    --surface-light: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 蓝色主题 */
[data-theme="blue"] {
    --primary-color: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #BBDEFB;
    --secondary-color: #64B5F6;
    --background: #1E1E1E;
    --surface: #2D2D2D;
    --surface-light: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 绿色主题 */
[data-theme="green"] {
    --primary-color: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #C8E6C9;
    --secondary-color: #81C784;
    --background: #1E1E1E;
    --surface: #2D2D2D;
    --surface-light: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --success-color: #66BB6A;
    --danger-color: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 紫色主题 */
[data-theme="purple"] {
    --primary-color: #9C27B0;
    --primary-dark: #7B1FA2;
    --primary-light: #E1BEE7;
    --secondary-color: #BA68C8;
    --background: #1E1E1E;
    --surface: #2D2D2D;
    --surface-light: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 橙色主题 */
[data-theme="orange"] {
    --primary-color: #FF9800;
    --primary-dark: #F57C00;
    --primary-light: #FFE0B2;
    --secondary-color: #FFB74D;
    --background: #1E1E1E;
    --surface: #2D2D2D;
    --surface-light: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 青色主题 */
[data-theme="cyan"] {
    --primary-color: #00BCD4;
    --primary-dark: #0097A7;
    --primary-light: #B2EBF2;
    --secondary-color: #4DD0E1;
    --background: #1E1E1E;
    --surface: #2D2D2D;
    --surface-light: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 红色主题 */
[data-theme="red"] {
    --primary-color: #F44336;
    --primary-dark: #D32F2F;
    --primary-light: #FFCDD2;
    --secondary-color: #EF5350;
    --background: #1E1E1E;
    --surface: #2D2D2D;
    --surface-light: #3D3D3D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #404040;
    --success-color: #4CAF50;
    --danger-color: #E53935;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: row;
    height: 100vh;
    overflow: hidden;
}

/* 顶部导航栏 */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    flex-shrink: 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--danger-color);
}

.status-indicator.connected {
    background: var(--success-color);
}

/* 右侧面板 */
.right-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* 左侧边栏 */
.sidebar {
    width: 300px;
    background: var(--surface);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.sidebar-header .logo {
    margin: 0;
}

.panel {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.6rem;
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.2);
}

/* 按钮样式 */
.btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.btn-primary {
    background: var(--primary-color);
    color: #000;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--surface);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #D32F2F;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.3rem;
    border-radius: 4px;
}

.btn-icon:hover {
    background: var(--surface-light);
    color: var(--text-primary);
}

/* 表列表 */
.table-list {
    list-style: none;
}

.table-item {
    padding: 0.8rem;
    cursor: pointer;
    border-radius: 4px;
    margin-bottom: 0.3rem;
    transition: background 0.2s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.table-item:hover {
    background: var(--surface-light);
}

.table-item.active {
    background: var(--primary-color);
    color: #000;
    font-weight: 600;
}

/* 右侧内容区 */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--background);
    min-height: 0;
}

/* 标签页 */
.tabs {
    display: flex;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1rem;
}

.tab {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--text-primary);
    background: var(--surface-light);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
    flex: 1;
    overflow: auto;
    padding: 1.5rem;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* 工具栏 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex: 1;
}

.pagination-size-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 数据表格 */
.table-container {
    overflow-x: auto;
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    position: relative;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    min-width: 100%;
}

.data-table th {
    background: var(--surface-light);
    padding: 0.8rem;
    text-align: left;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tr:hover {
    background: var(--surface-light);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* 操作列样式 - 固定在右边 */
.action-column-header {
    position: sticky;
    right: 0;
    background: var(--surface-light);
    width: 180px;
    min-width: 180px;
    z-index: 11;
    box-shadow: -2px 0 4px rgba(0, 0, 0, 0.1);
}

.action-column-cell {
    position: sticky;
    right: 0;
    background: var(--surface);
    width: 180px;
    min-width: 180px;
    z-index: 1;
    box-shadow: -2px 0 4px rgba(0, 0, 0, 0.1);
}

.data-table tr:hover .action-column-cell {
    background: var(--surface-light);
}

/* 操作按钮容器 */
.action-buttons-wrapper {
    display: flex;
    gap: 0.3rem;
    align-items: center;
    justify-content: flex-start;
    white-space: nowrap;
    width: 100%;
}

/* 操作按钮 */
.action-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.85rem;
    flex-shrink: 0;
    white-space: nowrap;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.pagination button {
    padding: 0.5rem 1rem;
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
}

.pagination button:hover:not(:disabled):not(.active) {
    background: var(--surface);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination button.active {
    background: var(--primary-dark);
    cursor: default;
}

.pagination button.active:hover {
    background: var(--primary-dark);
}

/* 代码块 */
.code-block {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    overflow-x: auto;
    position: relative;
}

.code-block pre {
    margin: 0;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 复制代码按钮 - 浮动在右上角 */
.copy-code-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 10;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.copy-code-btn:hover {
    opacity: 1;
}

/* SQL查询编辑器 */
.query-editor {
    margin-bottom: 1rem;
}

.sql-input {
    width: 100%;
    min-height: 300px;
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    resize: vertical;
}

.sql-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.2);
}

.query-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.8rem;
}

.query-results {
    flex: 1;
    overflow: auto;
}

.query-results table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.query-results th {
    background: var(--surface-light);
    padding: 0.8rem;
    text-align: left;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
}

.query-results td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.query-results tr:last-child td {
    border-bottom: none;
}

.query-message {
    padding: 1rem;
    background: var(--surface-light);
    border-radius: 4px;
    margin-top: 1rem;
}

.query-message.success {
    background: rgba(76, 175, 80, 0.2);
    color: var(--success-color);
}

.query-message.error {
    background: rgba(244, 67, 54, 0.2);
    color: var(--danger-color);
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--surface);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.modal-close:hover {
    background: var(--surface-light);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* 编辑表单 */
.edit-form-group {
    margin-bottom: 1rem;
}

.edit-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.edit-form-group input {
    width: 100%;
    padding: 0.6rem;
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
}

.edit-form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.2);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}



/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border-color);
    padding: 1rem 2rem;
    flex-shrink: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
}

.footer p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Loading 动画样式 */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 30, 30, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    border-radius: 4px;
}

.loading-overlay-small {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 30, 30, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    border-radius: 4px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--surface-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner-small {
    width: 24px;
    height: 24px;
    border: 3px solid var(--surface-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-text {
    margin-top: 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 按钮加载状态 */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--text-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.pagination button.active {
    background: var(--primary-dark);
}

/* CodeMirror编辑器样式 */
.CodeMirror {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    height: auto;
    min-height: 300px;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', 'Menlo', 'Consolas', 'DejaVu Sans Mono', 'Courier New', monospace;
    direction: ltr;
    text-align: left;
    line-height: 1.6;
        letter-spacing: 0.3px;
    }
    
    .CodeMirror-sizer {
        font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', 'Menlo', 'Consolas', 'DejaVu Sans Mono', 'Courier New', monospace;
}

.CodeMirror-focused {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.2);
}

/* 修复CodeMirror行号和内容的布局 */
.CodeMirror-gutters {
    border-right: 1px solid var(--border-color);
    background-color: var(--surface-light);
    white-space: nowrap;
    position: absolute;
    left: 0;
    top: 0;
    min-height: 100%;
    z-index: 3;
    width: 3.5em; /* 固定行号区域宽度，确保有足够空间显示行号 */
}

.CodeMirror-linenumber {
    padding: 0 8px;
    min-width: 2.5em;
    text-align: right;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: default;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', 'Menlo', 'Consolas', 'DejaVu Sans Mono', 'Courier New', monospace;
        font-size: 13px;
        line-height: 1.6;
}

.CodeMirror-lines {
    padding: 8px;
    padding-left: 3.5em; /* 为行号区域留出空间，避免代码覆盖行号 */
    position: relative;
    min-height: 1px;
}

.CodeMirror pre {
    position: relative;
    word-wrap: break-word;
    white-space: pre-wrap;
    word-break: normal;
    padding: 0;
    margin: 0;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', 'Menlo', 'Consolas', 'DejaVu Sans Mono', 'Courier New', monospace;
        font-size: 14px;
        line-height: 1.6;
        letter-spacing: 0.3px;
}

.CodeMirror-scroll {
    overflow: auto !important;
    position: relative;
    outline: none;
}

.CodeMirror-sizer {
    position: relative;
    border-right-width: 30px;
    min-height: 0 !important;
}

.CodeMirror-gutter-wrapper {
    position: absolute;
    z-index: 4;
    left: 0;
}

.CodeMirror-gutter {
    white-space: normal;
    height: 100%;
    display: inline-block;
    vertical-align: top;
    margin-bottom: -30px;
    width: 3.5em; /* 与 gutters 宽度一致 */
    box-sizing: content-box;
}

.CodeMirror-gutter-elt {
    position: absolute;
    cursor: default;
    z-index: 4;
}

/* 移除重复的 padding-left: 0 定义，使用上面定义的 padding-left: 3.5em */

.CodeMirror pre.CodeMirror-line,
.CodeMirror pre.CodeMirror-line-like {
    padding: 0 8px;
        margin: 0;
        font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', 'Menlo', 'Consolas', 'DejaVu Sans Mono', 'Courier New', monospace;
        font-size: 14px;
        line-height: 1.6;
        letter-spacing: 0.3px;
}

/* CodeMirror自动补全提示样式 */
.CodeMirror-hints {
    position: absolute;
    z-index: 10;
    overflow: hidden;
    list-style: none;
    margin: 0;
    padding: 2px;
    box-shadow: 2px 3px 5px rgba(0,0,0,.2);
    border-radius: 3px;
    background: var(--surface);
    border: 1px solid var(--border-color);
    font-size: 13px;
        font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', 'Menlo', 'Consolas', 'DejaVu Sans Mono', 'Courier New', monospace;
    max-height: 20em;
    overflow-y: auto;
    line-height: 1.5;
}

.CodeMirror-hint {
    margin: 0;
    padding: 0 4px;
    border-radius: 2px;
    white-space: pre;
    color: var(--text-primary);
    cursor: pointer;
    line-height: 1.5;
}

.CodeMirror-hint-active {
    background: var(--primary-color);
    color: white;
}

/* 查询历史列表样式（在模态框中） */
.query-history-list {
    max-height: 60vh;
    overflow-y: auto;
}

.query-history-item:hover {
    background: var(--surface-light) !important;
}

.query-history-item:last-child {
    border-bottom: none;
}
/* 查询结果Tab样式 */
.query-results-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.query-results-tabs {
    flex-shrink: 0;
}

.query-results-tabs-list {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
}

.query-result-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    white-space: nowrap;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.query-result-tab:hover {
    background: var(--surface-light);
}

.query-result-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.query-result-tab-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    width: 1.2rem;
    height: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    font-size: 1rem;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.query-result-tab-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}