/*
 * BT Platform Child - Tool Intro Styles
 * Extracted from page-tool-intro.php
 */

/* 工具介绍页面样式 */
.bt-tool-intro-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

.bt-tool-intro-header {
    text-align: center;
    margin-bottom: 48px;
    padding: 40px 24px;
    background: var(--bt-bg-secondary, #f8f9fa);
    border-radius: 16px;
    border: 1px solid var(--bt-border, #e2e8f0);
}

.bt-tool-intro-icon {
    margin-bottom: 16px;
}

.bt-tool-intro-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--bt-text-primary, #1a1a2e);
    margin: 0 0 8px;
}

.bt-tool-intro-subtitle {
    font-size: 1.05rem;
    color: var(--bt-text-secondary, #64748b);
    margin: 0 0 24px;
    line-height: 1.6;
}

.bt-tool-intro-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.bt-tool-intro-actions .bt-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.bt-tool-section {
    margin-bottom: 40px;
}

.bt-tool-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bt-text-primary, #1a1a2e);
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--bt-primary, #3b82f6);
    display: inline-block;
}

.bt-tool-subtitle {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--bt-text-primary, #1a1a2e);
    margin: 24px 0 12px;
}

/* 特性卡片网格 */
.bt-tool-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.bt-tool-feature-card {
    padding: 20px;
    background: var(--bt-bg-secondary, #f8f9fa);
    border-radius: 12px;
    border: 1px solid var(--bt-border, #e2e8f0);
    transition: transform 0.2s, box-shadow 0.2s;
}

.bt-tool-feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.bt-tool-feature-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.bt-tool-feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--bt-text-primary, #1a1a2e);
    margin: 0 0 6px;
}

.bt-tool-feature-card p {
    font-size: 0.875rem;
    color: var(--bt-text-secondary, #64748b);
    margin: 0;
    line-height: 1.5;
}

/* 代码块 */
.bt-tool-code-block {
    background: #1e293b !important;
    border-radius: 12px;
    padding: 20px;
    overflow-x: auto;
}

.bt-tool-code-block pre {
    margin: 0;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #e2e8f0 !important;
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
}

.bt-tool-code-block code {
    background: none !important;
    padding: 0 !important;
    color: #e2e8f0 !important;
}

.bt-tool-code-inline {
    background: var(--bt-bg-tertiary, #f1f5f9);
    padding: 8px 16px;
    border-radius: 8px;
    display: inline-block;
}

.bt-tool-code-inline code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    color: var(--bt-primary, #3b82f6);
    background: none;
    padding: 0;
}

/* 快速开始 */
.bt-tool-quickstart {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bt-tool-qs-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--bt-bg-secondary, #f8f9fa);
    border-radius: 12px;
    border: 1px solid var(--bt-border, #e2e8f0);
}

.bt-tool-qs-step {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--bt-primary, #3b82f6);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.bt-tool-qs-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--bt-text-primary, #1a1a2e);
    margin: 0 0 4px;
}

.bt-tool-qs-item p {
    font-size: 0.9rem;
    color: var(--bt-text-secondary, #64748b);
    margin: 0;
    line-height: 1.5;
}

/* 表格 */
.bt-tool-table-wrap {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--bt-border, #e2e8f0);
}

.bt-tool-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.bt-tool-table thead {
    background: var(--bt-bg-tertiary, #f1f5f9);
}

.bt-tool-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--bt-text-primary, #1a1a2e);
    border-bottom: 2px solid var(--bt-border, #e2e8f0);
}

.bt-tool-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--bt-border, #e2e8f0);
    color: var(--bt-text-secondary, #475569);
    line-height: 1.5;
}

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

.bt-tool-table code {
    background: var(--bt-bg-tertiary, #f1f5f9);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--bt-primary, #3b82f6);
}

/* 功能列表 */
.bt-tool-features-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bt-tool-fl-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--bt-text-primary, #1a1a2e);
    margin: 0 0 8px;
}

.bt-tool-fl-item ul {
    margin: 0;
    padding-left: 20px;
}

.bt-tool-fl-item li {
    font-size: 0.9rem;
    color: var(--bt-text-secondary, #475569);
    line-height: 1.8;
}

/* 联系信息 */
.bt-tool-section-contact {
    background: var(--bt-bg-secondary, #f8f9fa);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--bt-border, #e2e8f0);
}

.bt-tool-contact-info p {
    font-size: 0.95rem;
    color: var(--bt-text-secondary, #475569);
    margin: 8px 0;
    line-height: 1.6;
}

.bt-tool-contact-info a {
    color: var(--bt-primary, #3b82f6);
    text-decoration: none;
}

.bt-tool-contact-info a:hover {
    text-decoration: underline;
}

/* 更新日志 */
.bt-tool-changelog-item {
    padding: 20px;
    background: var(--bt-bg-secondary, #f8f9fa);
    border-radius: 12px;
    border: 1px solid var(--bt-border, #e2e8f0);
}

.bt-tool-changelog-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--bt-primary, #3b82f6);
    margin: 0 0 12px;
}

.bt-tool-changelog-item ul {
    margin: 0;
    padding-left: 20px;
}

.bt-tool-changelog-item li {
    font-size: 0.9rem;
    color: var(--bt-text-secondary, #475569);
    line-height: 1.8;
}

/* 页脚 */
.bt-tool-footer {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--bt-border, #e2e8f0);
    color: var(--bt-text-muted, #94a3b8);
    font-size: 0.875rem;
}

.bt-tool-footer p {
    margin: 4px 0;
}

.bt-tool-footer a {
    color: var(--bt-primary, #3b82f6);
    text-decoration: none;
}

.bt-tool-footer a:hover {
    text-decoration: underline;
}

/* 响应式 */
@media (max-width: 768px) {
    .bt-tool-intro-page {
        padding: 24px 16px 40px;
    }
    .bt-tool-intro-title {
        font-size: 1.5rem;
    }
    .bt-tool-features-grid {
        grid-template-columns: 1fr;
    }
    .bt-tool-section-title {
        font-size: 1.25rem;
    }
}