/* ==================================================
 * Guide Pages Typography & Layout (Topic Clusters)
 * ================================================== */

:root {
    --guide-max-width: 820px;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --bg-glass: rgba(255, 255, 255, 0.65);
    --border-glass: rgba(255, 255, 255, 0.7);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --link-color: #2563eb;
    --code-bg: rgba(0, 0, 0, 0.05);
}

:root.theme-dark {
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --bg-glass: rgba(18, 24, 38, 0.68);
    --border-glass: rgba(255, 255, 255, 0.12);
    --card-shadow: 0 10px 35px rgba(0, 0, 0, 0.35);
    --link-color: #60a5fa;
    --code-bg: rgba(255, 255, 255, 0.08);
}

:root.theme-auto {
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --bg-glass: rgba(18, 24, 38, 0.68);
    --border-glass: rgba(255, 255, 255, 0.12);
    --card-shadow: 0 10px 35px rgba(0, 0, 0, 0.35);
    --link-color: #60a5fa;
    --code-bg: rgba(255, 255, 255, 0.08);
}

@media (prefers-color-scheme: light) {
    :root.theme-auto {
        --text-primary: #1e293b;
        --text-secondary: #475569;
        --text-muted: #64748b;
        --bg-glass: rgba(255, 255, 255, 0.65);
        --border-glass: rgba(255, 255, 255, 0.7);
        --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        --link-color: #2563eb;
        --code-bg: rgba(0, 0, 0, 0.05);
    }
}

body.guide-body {
    margin: 0;
    padding: 0;
    font-family: "LXGW WenKai TC", "LXGW WenKai", system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    line-height: 1.8;
    background: transparent;
    min-height: 100vh;
}

.guide-wrapper {
    position: relative;
    max-width: var(--guide-max-width);
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem 1.25rem;
    z-index: 2;
}

/* Header & Navigation */
.guide-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-glass);
}

.back-home-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--link-color);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.back-home-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Breadcrumb */
.guide-breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.guide-breadcrumb a {
    color: var(--link-color);
    text-decoration: none;
}

.guide-breadcrumb a:hover {
    text-decoration: underline;
}

/* Article Container */
.guide-article {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: var(--card-shadow);
}

@media (max-width: 600px) {
    .guide-article {
        padding: 1.75rem 1.25rem;
    }
}

.guide-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 1rem 0;
    letter-spacing: -0.02em;
}

.guide-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(125, 125, 125, 0.15);
}

.guide-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* Typography Inside Article */
.guide-article h2 {
    font-size: 1.45rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(125, 125, 125, 0.2);
    color: var(--text-primary);
}

.guide-article h3 {
    font-size: 1.18rem;
    font-weight: 700;
    margin: 1.8rem 0 0.75rem 0;
    color: var(--text-primary);
}

.guide-article p {
    margin: 0 0 1.2rem 0;
    font-size: 1.02rem;
    color: var(--text-secondary);
}

.guide-article ul,
.guide-article ol {
    margin: 0 0 1.5rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.guide-article li {
    margin-bottom: 0.6rem;
}

.guide-article strong {
    color: var(--text-primary);
    font-weight: 700;
}

.guide-article a {
    color: var(--link-color);
    text-decoration: underline;
}

/* Callout Boxes */
.callout {
    padding: 1.1rem 1.25rem;
    border-radius: 12px;
    margin: 1.5rem 0;
    font-size: 0.95rem;
    line-height: 1.65;
}

.callout-info {
    background: rgba(59, 130, 246, 0.12);
    border-left: 4px solid #3b82f6;
    color: var(--text-primary);
}

.callout-warning {
    background: rgba(245, 158, 11, 0.12);
    border-left: 4px solid #f59e0b;
    color: var(--text-primary);
}

.callout-success {
    background: rgba(16, 185, 129, 0.12);
    border-left: 4px solid #10b981;
    color: var(--text-primary);
}

/* Tables in Guides */
.guide-table-wrap {
    width: 100%;
    overflow-x: auto;
    margin: 1.5rem 0;
    border-radius: 10px;
    border: 1px solid var(--border-glass);
}

.guide-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
    white-space: nowrap;
}

.guide-table th,
.guide-table td {
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid rgba(125, 125, 125, 0.15);
}

.guide-table th {
    background: rgba(0, 0, 0, 0.05);
    font-weight: 700;
    color: var(--text-primary);
}

:root.theme-dark .guide-table th,
:root.theme-auto .guide-table th {
    background: rgba(255, 255, 255, 0.06);
}

@media (prefers-color-scheme: light) {
    :root.theme-auto .guide-table th {
        background: rgba(0, 0, 0, 0.05);
    }
}

.guide-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Guide Footer & CTA */
.guide-footer-cta {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    text-align: center;
}

.cta-button {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    background: #3b82f6;
    color: #ffffff !important;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
    transition: transform 0.2s ease, background 0.2s ease;
}

.cta-button:hover {
    background: #2563eb;
    transform: translateY(-2px);
}