/* SQL格式化工具样式 */
.sql-formatter-page {
    background-color: var(--bg-color, #f8f9fa);
    color: var(--text-color, #333);
    min-height: 100vh;
    padding: 20px 0;
}

/* 工具头部 */
.tool-header {
    text-align: center;
    margin-bottom: 40px;
}

.tool-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color, #007bff);
    margin-bottom: 10px;
}

.tool-description {
    font-size: 1.2rem;
    color: var(--text-secondary, #6c757d);
    max-width: 800px;
    margin: 0 auto;
}

/* 工具主区域 */
.tool-workspace {
    background-color: var(--card-bg, #fff);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 40px;
}

/* 格式化容器 */
.formatter-container {
    margin-bottom: 30px;
}

/* 格式化工具栏 */
.formatter-toolbar {
    background-color: var(--toolbar-bg, #f8f9fa);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 5px 5px 0 0;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-section label {
    font-weight: 600;
    color: var(--text-color, #333);
    white-space: nowrap;
}

.toolbar-btn {
    background-color: var(--btn-bg, #fff);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    color: var(--text-color, #333);
}

.toolbar-btn:hover {
    background-color: var(--btn-hover, #e9ecef);
    border-color: var(--primary-color, #007bff);
}

.toolbar-btn.primary {
    background-color: var(--primary-color, #007bff);
    color: white;
    border-color: var(--primary-color, #007bff);
}

.toolbar-btn.primary:hover {
    background-color: var(--primary-hover, #0069d9);
}

.toolbar-section select {
    padding: 8px 12px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    background-color: var(--btn-bg, #fff);
    color: var(--text-color, #333);
}

/* 格式化主体 */
.formatter-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    border: 1px solid var(--border-color, #dee2e6);
    border-top: none;
    border-radius: 0 0 5px 5px;
    overflow: hidden;
}

.input-panel, .output-panel {
    padding: 20px;
    min-height: 500px;
}

.input-panel {
    border-right: 1px solid var(--border-color, #dee2e6);
}

.panel-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color, #333);
}

.formatter-textarea {
    width: 100%;
    height: calc(100% - 30px);
    padding: 15px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    background-color: var(--textarea-bg, #fff);
    color: var(--text-color, #333);
}

.formatter-textarea:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.output-content {
    width: 100%;
    height: calc(100% - 30px);
    padding: 15px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    overflow-y: auto;
    background-color: var(--preview-bg, #f8f9fa);
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.output-content code {
    font-family: 'Courier New', Courier, monospace;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 语法高亮 */
.keyword {
    color: var(--keyword-color, #0000ff);
    font-weight: bold;
}

.function {
    color: var(--function-color, #008000);
    font-weight: bold;
}

.string {
    color: var(--string-color, #a31515);
}

.number {
    color: var(--number-color, #098658);
}

.operator {
    color: var(--operator-color, #000000);
    font-weight: bold;
}

.bracket {
    color: var(--bracket-color, #000000);
}

/* 格式化选项 */
.format-options {
    background-color: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 5px;
    padding: 20px;
}

.format-options h3 {
    margin-bottom: 20px;
    color: var(--text-color, #333);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.option-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.option-item label {
    font-weight: 500;
    color: var(--text-color, #333);
}

.option-item input[type="number"] {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    background-color: var(--input-bg, #fff);
    color: var(--text-color, #333);
}

.option-item select {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 4px;
    background-color: var(--input-bg, #fff);
    color: var(--text-color, #333);
}

/* 功能特点 */
.tool-features {
    margin-bottom: 40px;
}

.tool-features h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-color, #333);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: var(--card-bg, #fff);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light, #e3f2fd);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: var(--primary-color, #007bff);
}

.feature-item h3 {
    margin-bottom: 10px;
    color: var(--text-color, #333);
}

.feature-item p {
    color: var(--text-secondary, #6c757d);
    line-height: 1.6;
}

/* 案例说明 */
.tool-cases {
    margin-bottom: 40px;
}

.tool-cases h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-color, #333);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.case-item {
    background-color: var(--card-bg, #fff);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.case-item h3 {
    margin-bottom: 10px;
    color: var(--primary-color, #007bff);
}

.case-item p {
    color: var(--text-color, #333);
    line-height: 1.6;
}

/* FAQ部分 */
.tool-faq {
    margin-bottom: 40px;
}

.tool-faq h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-color, #333);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 10px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 5px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 15px;
    background-color: var(--card-bg, #fff);
    border: none;
    text-align: left;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-color, #333);
}

.faq-question:hover {
    background-color: var(--hover-bg, #f8f9fa);
}

.faq-question.active {
    background-color: var(--primary-light, #e3f2fd);
}

.faq-question::after {
    content: '+';
    font-size: 18px;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-question.active::after {
    content: '-';
    transform: rotate(0deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--card-bg, #fff);
}

.faq-answer p {
    padding: 15px;
    margin: 0;
    color: var(--text-color, #333);
    line-height: 1.6;
}

/* 搜索引擎提交 */
.search-engine-submission {
    background-color: var(--card-bg, #fff);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.search-engine-submission h2 {
    margin-bottom: 20px;
    color: var(--text-color, #333);
}

.search-engine-submission p {
    margin-bottom: 30px;
    color: var(--text-secondary, #6c757d);
}

.search-engine-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.search-engine-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.search-engine-link.baidu {
    background-color: #317ef3;
    color: white;
}

.search-engine-link.bing {
    background-color: #0066cc;
    color: white;
}

.search-engine-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 外部链接建设 */
.external-links {
    background-color: var(--card-bg, #fff);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.external-links h2 {
    margin-bottom: 20px;
    color: var(--text-color, #333);
}

.external-links p {
    margin-bottom: 30px;
    color: var(--text-secondary, #6c757d);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border: 1px solid var(--border-color, #dee2e6);
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    background-color: var(--btn-bg, #fff);
    color: var(--text-color, #333);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color, #007bff);
    color: var(--primary-color, #007bff);
}

/* 定期维护 */
.maintenance {
    background-color: var(--card-bg, #fff);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.maintenance h2 {
    margin-bottom: 20px;
    color: var(--text-color, #333);
}

.maintenance p {
    margin-bottom: 30px;
    color: var(--text-secondary, #6c757d);
}

.maintenance-tasks {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.maintenance-task {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background-color: var(--hover-bg, #f8f9fa);
    border-radius: 20px;
    font-weight: 500;
    color: var(--text-color, #333);
}

.maintenance-task i {
    color: var(--success-color, #28a745);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .formatter-body {
        grid-template-columns: 1fr;
    }

    .input-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-color, #dee2e6);
    }

    .tool-title {
        font-size: 2rem;
    }

    .formatter-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .toolbar-section {
        justify-content: space-between;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .search-engine-links {
        flex-direction: column;
        align-items: center;
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .maintenance-tasks {
        flex-direction: column;
        align-items: center;
    }
}

/* 深色主题 */
.dark-theme {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --text-secondary: #b0b0b0;
    --card-bg: #2d2d2d;
    --toolbar-bg: #3a3a3a;
    --btn-bg: #4a4a4a;
    --btn-hover: #5a5a5a;
    --border-color: #555;
    --textarea-bg: #3a3a3a;
    --preview-bg: #3a3a3a;
    --input-bg: #4a4a4a;
    --hover-bg: #3a3a3a;
    --primary-light: #1e3a5f;
    --success-color: #50fa7b;
    --keyword-color: #569cd6;
    --function-color: #dcdcaa;
    --string-color: #ce9178;
    --number-color: #b5cea8;
    --operator-color: #d4d4d4;
    --bracket-color: #d4d4d4;
}

.dark-theme .formatter-textarea {
    background-color: var(--textarea-bg, #3a3a3a);
    color: var(--text-color, #e0e0e0);
}

.dark-theme .output-content {
    background-color: var(--preview-bg, #3a3a3a);
    color: var(--text-color, #e0e0e0);
}