/* ===== Blog Page Styles ===== */

/* Hero */
.blog-hero {
    padding: 5rem 0 3.5rem;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    margin-top: 0;
}

.blog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.blog-breadcrumb a {
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.blog-breadcrumb a:hover {
    color: var(--color-accent);
}

.blog-breadcrumb span:last-child {
    color: var(--color-text);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.blog-tag {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    background: rgba(91, 141, 239, 0.1);
    border: 1px solid rgba(91, 141, 239, 0.25);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.blog-date {
    font-size: 13px;
    color: var(--color-text-muted);
}

.blog-title {
    font-family: var(--font-heading);
    font-size: clamp(26px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
    max-width: 860px;
    margin-bottom: 1.25rem;
}

.blog-intro {
    font-size: 18px;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 760px;
}

/* Article Layout */
.blog-article {
    padding: 4rem 0 5rem;
    background: var(--color-bg);
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 3.5rem;
    align-items: start;
}

/* Content */
.blog-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 700;
    color: var(--color-text);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.01em;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.blog-content h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-accent-2);
    margin: 1.75rem 0 0.75rem;
}

.blog-content p {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.blog-content ul,
.blog-content ol {
    margin: 0.75rem 0 1.25rem 1.5rem;
}

.blog-content ul {
    list-style: disc;
}

.blog-content ol {
    list-style: decimal;
}

.blog-content li {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 0.4rem;
}

/* Highlight Box */
.blog-highlight {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-sm);
    padding: 1.5rem 1.75rem;
    margin: 1.75rem 0;
}

.blog-highlight h4 {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.blog-highlight ol {
    margin: 0 0 0 1.25rem;
}

.blog-highlight li {
    font-size: 15px;
    color: var(--color-text);
    margin-bottom: 0.35rem;
}

/* Materials Grid */
.blog-materials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0 2rem;
}

.material-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
}

.material-card h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}

.material-card ul {
    margin: 0;
    padding-left: 1.1rem;
    list-style: disc;
}

.material-card li {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 0.3rem;
}

/* FAQ */
.blog-faq {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.blog-faq h2 {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 1.75rem;
}

.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: border-color var(--transition);
}

.faq-item:hover {
    border-color: rgba(91, 141, 239, 0.4);
}

.faq-item h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 0.6rem;
}

.faq-item p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0;
}

/* Sidebar */
.blog-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
}

.sidebar-card h4 {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.sidebar-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keyword-tags span {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    background: rgba(91, 141, 239, 0.08);
    border: 1px solid rgba(91, 141, 239, 0.2);
    border-radius: 100px;
    font-size: 12px;
    color: var(--color-accent-2);
    font-weight: 500;
}

.sidebar-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-links li {
    border-bottom: 1px solid var(--color-border);
}

.sidebar-links li:last-child {
    border-bottom: none;
}

.sidebar-links a {
    display: block;
    padding: 0.65rem 0;
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.sidebar-links a:hover {
    color: var(--color-accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 3.5rem 0 2.5rem;
    }

    .blog-materials-grid {
        grid-template-columns: 1fr;
    }

    .blog-article {
        padding: 2.5rem 0 3.5rem;
    }
}

/* Table Styles */
.blog-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.75rem 0;
    font-size: 15px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.blog-content th {
    background: var(--color-surface);
    color: var(--color-accent);
    font-weight: 700;
    text-align: left;
    padding: 0.85rem 1.25rem;
    border-bottom: 1.5px solid var(--color-border);
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.05em;
}

.blog-content td {
    padding: 0.85rem 1.25rem;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    line-height: 1.6;
}

.blog-content tr:last-child td {
    border-bottom: none;
}

.blog-content tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}
body.light-mode .blog-content tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.015);
}

@media (max-width: 768px) {
    .blog-breadcrumb,
    .blog-meta {
        flex-wrap: wrap;
    }

    .blog-breadcrumb {
        line-height: 1.6;
    }

    .blog-author {
        flex-basis: 100%;
        color: var(--color-text-muted);
        font-size: 13px;
        line-height: 1.5;
    }

    .blog-intro {
        font-size: 17px;
        line-height: 1.75;
    }

    .blog-highlight {
        padding: 1.25rem;
    }

    .blog-content table {
        display: block;
        max-width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .blog-content th,
    .blog-content td {
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 2.75rem 0 2.25rem;
    }

    .blog-meta {
        align-items: flex-start;
        gap: 0.65rem 0.8rem;
    }

    .blog-content p,
    .blog-content li {
        line-height: 1.75;
    }
}