/**
 * Custom Blog Design - Single Post Page Styles
 */

.cbd-single-article {
    width: 100%;
}

/* Hero Banner Container */
.cbd-hero-banner {
    position: relative;
    width: 100%;
    height: 420px;
    border-radius: var(--cbd-radius-lg);
    overflow: hidden;
    background-color: #1e293b;
    background-size: cover;
    background-position: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: flex-end;
}

@media (max-width: 768px) {
    .cbd-hero-banner {
        height: 320px;
    }
}

/* Gradient Overlay */
.cbd-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.45) 50%, rgba(0, 0, 0, 0.05) 100%);
    z-index: 1;
}

/* Hero Text Content (Bottom Left) */
.cbd-hero-content {
    position: relative;
    z-index: 2;
    padding: 32px 36px;
    max-width: 850px;
    color: #ffffff;
}

@media (max-width: 640px) {
    .cbd-hero-content {
        padding: 20px 24px;
    }
}

.cbd-hero-title {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 10px 0;
    color: #ffffff;
    letter-spacing: -0.01em;
}

@media (max-width: 768px) {
    .cbd-hero-title {
        font-size: 24px;
    }
}

.cbd-hero-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #d1d5db;
}

.cbd-meta-divider {
    opacity: 0.7;
}

/* 3-Column Layout (Left TOC, Middle Content, Right Contact Form) */
.cbd-single-layout-3col {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 32px;
    align-items: start;
    margin-top: 40px;
}

.cbd-single-layout-centered {
    max-width: 800px;
    margin: 40px auto 0 auto;
}

@media (max-width: 1140px) {
    .cbd-single-layout-3col {
        grid-template-columns: 220px 1fr;
    }
    .cbd-contact-sidebar {
        grid-column: 1 / -1;
    }
}

@media (max-width: 860px) {
    .cbd-single-layout-3col {
        grid-template-columns: 1fr;
    }
    .cbd-toc-sidebar {
        position: static;
    }
}

/* Left Sidebar: Table of Contents */
.cbd-toc-sidebar {
    position: sticky;
    top: 32px;
}

.cbd-toc-widget {
    background-color: #ffffff;
    border-radius: var(--cbd-radius-md);
    padding: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--cbd-shadow-card);
}

.cbd-toc-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--cbd-color-text-dark);
    margin: 0 0 14px 0;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}

.cbd-toc-title svg {
    color: var(--cbd-color-primary);
}

.cbd-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cbd-toc-item {
    margin: 0;
}

.cbd-toc-item.level-3 {
    padding-left: 12px;
}

.cbd-toc-link {
    display: block;
    font-size: 13px;
    color: var(--cbd-color-text-muted);
    text-decoration: none;
    font-weight: 500;
    line-height: 1.4;
    transition: var(--cbd-transition);
    border-left: 2px solid transparent;
    padding-left: 6px;
}

.cbd-toc-link:hover,
.cbd-toc-link.is-active {
    color: var(--cbd-color-primary);
    border-left-color: var(--cbd-color-primary);
    font-weight: 600;
}

/* Right Sidebar: Get in Touch Contact Form */
.cbd-contact-sidebar {
    position: sticky;
    top: 32px;
}

.cbd-contact-card {
    background-color: #ffffff;
    border-radius: var(--cbd-radius-md);
    padding: 24px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--cbd-shadow-card);
}

.cbd-contact-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--cbd-color-text-dark);
    margin: 0 0 8px 0;
}

.cbd-contact-title svg {
    color: var(--cbd-color-primary);
}

.cbd-contact-desc {
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--cbd-color-text-muted);
    margin-bottom: 18px;
}

.cbd-contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cbd-form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cbd-form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--cbd-color-text-dark);
}

.cbd-required {
    color: #ef4444;
}

.cbd-input,
.cbd-textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 13px;
    font-family: inherit;
    color: var(--cbd-color-text-dark);
    background-color: #f8fafc;
    box-sizing: border-box;
    transition: var(--cbd-transition);
}

.cbd-input:focus,
.cbd-textarea:focus {
    outline: none;
    border-color: var(--cbd-color-primary);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.cbd-contact-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    background-color: var(--cbd-color-primary);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--cbd-transition);
    margin-top: 4px;
}

.cbd-contact-btn:hover {
    background-color: var(--cbd-color-primary-hover);
}

.cbd-form-response {
    font-size: 12.5px;
    padding: 10px;
    border-radius: 6px;
    margin-top: 4px;
}

.cbd-form-response.success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.cbd-form-response.error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}


.cbd-entry-content {
    font-size: 15px;
    line-height: 1.75;
    color: var(--cbd-color-text-body);
}

.cbd-entry-content p {
    margin-bottom: 22px;
}

.cbd-entry-content h2 {
    font-size: 21px;
    font-weight: 700;
    color: var(--cbd-color-text-dark);
    margin-top: 36px;
    margin-bottom: 16px;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.cbd-entry-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--cbd-color-text-dark);
    margin-top: 28px;
    margin-bottom: 12px;
}

.cbd-entry-content a {
    color: var(--cbd-color-primary);
    text-decoration: underline;
    font-weight: 600;
}

.cbd-entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--cbd-radius-md);
    margin: 28px 0;
    display: block;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

/* Social Share Bar (Blue Card) */
.cbd-share-bar {
    background-color: var(--cbd-color-primary);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 48px;
    margin-bottom: 56px;
}

@media (max-width: 640px) {
    .cbd-share-bar {
        flex-direction: column;
        align-items: flex-start;
    }
}

.cbd-share-text {
    color: #ffffff;
    font-weight: 600;
    font-size: 14px;
}

.cbd-share-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cbd-share-btn {
    width: 34px;
    height: 34px;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--cbd-transition);
}

.cbd-share-btn:hover {
    background-color: rgba(255, 255, 255, 0.4);
    color: #ffffff;
    transform: translateY(-1px);
}

/* Related Posts Section */
.cbd-related-posts-section {
    margin-top: 56px;
    padding-top: 36px;
    border-top: 1px solid #e2e8f0;
}

.cbd-related-posts-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--cbd-color-text-dark);
    margin: 0 0 24px 0;
    letter-spacing: -0.01em;
}

/* Author Box */
.cbd-author-box {
    display: flex;
    gap: 20px;
    background-color: #ffffff;
    border-radius: var(--cbd-radius-md);
    padding: 24px;
    margin-top: 40px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--cbd-shadow-card);
}

.cbd-author-avatar img {
    border-radius: 50%;
    width: 60px;
    height: 60px;
    object-fit: cover;
}

.cbd-author-name {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 6px 0;
}

.cbd-author-bio {
    font-size: 13px;
    color: var(--cbd-color-text-muted);
    margin-bottom: 10px;
    line-height: 1.5;
}

.cbd-author-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--cbd-color-primary);
    text-decoration: none;
}

/* Comments Section */
.cbd-comments-area {
    margin-top: 48px;
    padding-top: 36px;
    border-top: 1px solid #e2e8f0;
}

.cbd-comments-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
}

.cbd-submit-btn {
    background-color: var(--cbd-color-primary);
    color: #ffffff;
    border: none;
    padding: 10px 22px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--cbd-transition);
}

.cbd-submit-btn:hover {
    background-color: var(--cbd-color-primary-hover);
}