/**
 * Single Post Page Styles
 * Beautiful, clean, responsive design for blog detail page
 * 
 * @package Lemon_Queen
 */

/* ==========================================================================
   VARIABLES
   ========================================================================== */

:root {
    --single-primary: #000000;
    --single-secondary: #333333;
    --single-accent: #FCD34D;
    --single-accent-dark: #F59E0B;
    --single-bg: #FFFFFF;
    --single-gray-50: #F9FAFB;
    --single-gray-100: #F3F4F6;
    --single-gray-200: #E5E7EB;
    --single-gray-300: #D1D5DB;
    --single-gray-400: #9CA3AF;
    --single-gray-500: #6B7280;
    --single-gray-600: #4B5563;
    --single-gray-700: #333333;
    --single-gray-800: #1F2937;
    --single-gray-900: #000000;
    --single-white: #FFFFFF;
    --single-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --single-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --single-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --single-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --single-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --single-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --single-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   BASE LAYOUT
   ========================================================================== */

.single-post-wrapper {
    min-height: 100vh;
    background-color: var(--single-bg);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.single-hero {
    position: relative;
    height: 70vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.single-hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.single-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.single-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 24, 39, 1) 0%, rgba(17, 24, 39, 0.6) 50%, rgba(17, 24, 39, 0.3) 100%);
    z-index: 2;
}

.single-hero__decorative {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 2;
    opacity: 0.3;
}

.single-hero__decorative--yellow {
    top: 80px;
    right: 80px;
    width: 256px;
    height: 256px;
    background-color: var(--single-accent);
}

.single-hero__decorative--white {
    bottom: 80px;
    left: 80px;
    width: 192px;
    height: 192px;
    background-color: rgba(255, 255, 255, 0.1);
}

.single-hero__content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 896px;
    margin: 0 auto;
    padding: 0 32px 64px;
}

/* Back Button */
.single-hero__back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 32px;
    transition: var(--single-transition);
    font-size: 0.9375rem;
}

.single-hero__back:hover {
    color: var(--single-white);
    transform: translateX(-4px);
}

.single-hero__back-icon {
    width: 20px;
    height: 20px;
    transition: var(--single-transition);
}

.single-hero__back:hover .single-hero__back-icon {
    transform: translateX(-4px);
}

/* Categories */
.single-hero__categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.single-hero__category {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--single-accent);
    color: var(--single-gray-900);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--single-transition);
    box-shadow: var(--single-shadow-lg);
}

.single-hero__category:hover {
    background-color: #FDE68A;
    transform: translateY(-2px);
    box-shadow: var(--single-shadow-xl);
}

/* Title */
.single-hero__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--single-white);
    margin-bottom: 32px;
    line-height: 1.2;
}

/* Meta Info */
.single-hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
}

.single-hero__author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.single-hero__author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.single-hero__author-info {
    display: flex;
    flex-direction: column;
}

.single-hero__author-name {
    display: block;
    color: var(--single-white);
    font-weight: 500;
    font-size: 0.9375rem;
}

.single-hero__author-date {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.single-hero__meta-divider {
    width: 1px;
    height: 32px;
    background-color: rgba(255, 255, 255, 0.3);
}

.single-hero__meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.single-hero__meta-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */

.single-main {
    padding: 64px 32px;
    position: relative;
}

.single-main__container {
    max-width: 896px;
    margin: 0 auto;
}

/* Share Buttons (Sticky Desktop) */
.single-share {
    position: fixed;
    left: 32px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 40;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.single-share__label {
    font-size: 0.75rem;
    color: var(--single-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    margin-bottom: 8px;
}

.single-share__button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--single-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--single-transition);
    border: none;
    cursor: pointer;
}

.single-share__button:hover {
    transform: translateY(-2px);
    box-shadow: var(--single-shadow-md);
}

.single-share__button--facebook:hover {
    background-color: #1877F2;
    color: var(--single-white);
}

.single-share__button--tiktok:hover {
    background-color: #000000;
    color: var(--single-white);
}

.single-share__button--tiktok.copied {
    background-color: #25F4EE;
    color: #000000;
}

.single-share__button--instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--single-white);
}

.single-share__button--instagram.copied {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--single-white);
}

.single-share__button--copy:hover {
    background-color: var(--single-gray-900);
    color: var(--single-white);
}

.single-share__button--copy.copied {
    background-color: #10B981;
    color: var(--single-white);
}

.single-share__icon {
    width: 20px;
    height: 20px;
}

/* Article */
.single-article {
    position: relative;
}

/* Excerpt/Introduction */
.single-excerpt {
    margin-bottom: 48px;
    padding: 32px;
    background: linear-gradient(to bottom right, var(--single-gray-50), var(--single-white));
    border-radius: 16px;
    border-left: 4px solid var(--single-accent);
    box-shadow: var(--single-shadow-sm);
}

.single-excerpt__text {
    font-size: 1.25rem;
    color: var(--single-gray-700);
    line-height: 1.75;
    font-weight: 500;
    margin: 0;
}

/* Content */
.single-content {
    font-size: 1.125rem;
    line-height: 1.75;
    color: var(--single-gray-700);
    max-width: 100%;
}

.single-content h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--single-gray-900);
    margin-top: 48px;
    margin-bottom: 24px;
    line-height: 1.3;
}

.single-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--single-gray-900);
    margin-top: 40px;
    margin-bottom: 16px;
    line-height: 1.3;
}

.single-content p {
    margin-bottom: 24px;
    line-height: 1.75;
}

.single-content a {
    color: var(--single-gray-900);
    text-decoration: underline;
    text-decoration-color: var(--single-accent);
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
    transition: var(--single-transition);
}

.single-content a:hover {
    text-decoration-color: var(--single-accent-dark);
}

.single-content strong {
    color: var(--single-gray-900);
    font-weight: 600;
}

.single-content blockquote {
    border-left: 4px solid var(--single-accent);
    background-color: var(--single-gray-50);
    padding: 16px 24px;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    margin: 24px 0;
    color: var(--single-gray-700);
}

.single-content img {
    border-radius: 12px;
    box-shadow: var(--single-shadow-lg);
    margin: 32px 0;
    max-width: 100%;
    height: auto;
}

.single-content ul,
.single-content ol {
    margin: 24px 0;
    padding-left: 24px;
}

.single-content li {
    margin-bottom: 8px;
    color: var(--single-gray-700);
}

/* Page Links */
.single-page-links {
    padding: 32px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.single-page-links__label {
    color: var(--single-gray-600);
    font-size: 0.9375rem;
}

.single-page-links__link {
    padding: 4px 12px;
    background-color: var(--single-gray-100);
    border-radius: 4px;
    text-decoration: none;
    color: var(--single-gray-700);
    transition: var(--single-transition);
    font-size: 0.9375rem;
}

.single-page-links__link:hover {
    background-color: var(--single-gray-900);
    color: var(--single-white);
}

/* Tags */
.single-tags {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--single-gray-200);
}

.single-tags__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--single-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.single-tags__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.single-tags__tag {
    padding: 8px 16px;
    background-color: var(--single-gray-100);
    color: var(--single-gray-700);
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--single-transition);
}

.single-tags__tag:hover {
    background-color: var(--single-gray-900);
    color: var(--single-white);
    transform: translateY(-2px);
}

/* Mobile Share */
.single-share-mobile {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--single-gray-200);
}

.single-share-mobile__title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--single-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.single-share-mobile__buttons {
    display: flex;
    gap: 12px;
}

.single-share-mobile__button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--single-transition);
    border: none;
    cursor: pointer;
    font-size: 0.9375rem;
}

.single-share-mobile__button--facebook {
    background-color: #1877F2;
    color: var(--single-white);
}

.single-share-mobile__button--facebook:hover {
    background-color: #166FE5;
}

.single-share-mobile__button--tiktok {
    background-color: #000000;
    color: var(--single-white);
}

.single-share-mobile__button--tiktok:hover {
    background-color: #333333;
}

.single-share-mobile__button--tiktok.copied {
    background-color: #25F4EE;
    color: #000000;
}

.single-share-mobile__button--instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--single-white);
}

.single-share-mobile__button--instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    opacity: 0.9;
}

.single-share-mobile__button--instagram.copied {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--single-white);
}

.single-share-mobile__icon {
    width: 20px;
    height: 20px;
}

/* Author Card */
.single-author {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(to bottom right, var(--single-gray-900), var(--single-gray-800));
    border-radius: 16px;
    color: var(--single-white);
}

.single-author__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.single-author__avatar {
    flex-shrink: 0;
}

.single-author__avatar img {
    width: 96px;
    height: 96px;
    border-radius: 16px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--single-shadow-xl);
}

.single-author__info {
    text-align: center;
    flex: 1;
}

.single-author__label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.single-author__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--single-white);
    margin-top: 4px;
}

.single-author__bio {
    color: rgba(255, 255, 255, 0.8);
    margin-top: 12px;
    line-height: 1.75;
}

.single-author__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 8px 20px;
    background-color: var(--single-white);
    color: var(--single-gray-900);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--single-transition);
}

.single-author__link:hover {
    background-color: var(--single-accent);
    transform: translateY(-2px);
    box-shadow: var(--single-shadow-md);
}

.single-author__link-icon {
    width: 16px;
    height: 16px;
}

/* Author Social Media Links */
.single-author__social {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--single-gray-200);
}

.single-author__social-label {
    display: block;
    font-size: 0.875rem;
    color: var(--single-gray-600);
    margin-bottom: 12px;
    font-weight: 500;
}

.single-author__social-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.single-author__social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--single-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--single-gray-700);
    transition: var(--single-transition);
    border: 1px solid var(--single-gray-200);
}

.single-author__social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--single-shadow-md);
    border-color: transparent;
}

.single-author__social-link svg {
    width: 20px;
    height: 20px;
}

/* Social media specific hover colors */
.single-author__social-link:hover[aria-label="Facebook"] {
    background-color: #1877F2;
    color: var(--single-white);
}

.single-author__social-link:hover[aria-label="Instagram"] {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--single-white);
}

.single-author__social-link:hover[aria-label="YouTube"] {
    background-color: #FF0000;
    color: var(--single-white);
}

.single-author__social-link:hover[aria-label="TikTok"] {
    background-color: #000000;
    color: var(--single-white);
}

/* Post Navigation */
.single-navigation {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--single-gray-200);
}

.single-navigation__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.single-navigation__link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: var(--single-gray-50);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--single-transition);
}

.single-navigation__link:hover {
    background-color: var(--single-gray-100);
    transform: translateX(-4px);
}

.single-navigation__link--next {
    flex-direction: row-reverse;
    text-align: right;
}

.single-navigation__link--next:hover {
    transform: translateX(4px);
}

.single-navigation__image {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.single-navigation__content {
    flex: 1;
    min-width: 0;
}

.single-navigation__label {
    font-size: 0.75rem;
    color: var(--single-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 4px;
}

.single-navigation__link--next .single-navigation__label {
    justify-content: flex-end;
}

.single-navigation__icon {
    width: 12px;
    height: 12px;
}

.single-navigation__title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--single-gray-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--single-transition);
}

.single-navigation__link:hover .single-navigation__title {
    color: var(--single-gray-700);
}

.single-navigation__empty {
    /* Empty cell for grid alignment */
}

/* Related Posts */
.single-related {
    max-width: 1280px;
    margin: 96px auto 0;
    padding-top: 64px;
    border-top: 1px solid var(--single-gray-200);
}

.single-related__header {
    text-align: center;
    margin-bottom: 48px;
}

.single-related__label {
    font-size: 0.875rem;
    color: var(--single-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.single-related__title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--single-gray-900);
    margin-top: 8px;
}

.single-related__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.single-related__item {
    display: block;
    height: 100%;
    text-decoration: none;
}

.single-related__card {
    height: 100%;
    background-color: var(--single-white);
    border: 1px solid var(--single-gray-200);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--single-transition);
}

.single-related__item:hover .single-related__card {
    border-color: var(--single-gray-400);
    box-shadow: var(--single-shadow-xl);
    transform: translateY(-4px);
}

.single-related__image-wrapper {
    position: relative;
    height: 192px;
    overflow: hidden;
}

.single-related__image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.single-related__item:hover .single-related__image {
    transform: scale(1.05);
}

.single-related__content {
    padding: 24px;
}

.single-related__date {
    font-size: 0.75rem;
    color: var(--single-gray-500);
}

.single-related__item-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--single-gray-900);
    margin-top: 8px;
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--single-transition);
}

.single-related__item:hover .single-related__item-title {
    color: var(--single-gray-700);
}

.single-related__excerpt {
    font-size: 0.875rem;
    color: var(--single-gray-600);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Comments */
.single-comments {
    max-width: 896px;
    margin: 64px auto 0;
    padding-top: 64px;
    border-top: 1px solid var(--single-gray-200);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

/* Tablet */
@media (min-width: 768px) {
    .single-hero__title {
        font-size: 3rem;
    }
    
    .single-hero__meta-divider {
        display: block;
    }
    
    .single-hero__meta-item--hidden {
        display: flex;
    }
    
    .single-author__inner {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .single-author__info {
        text-align: left;
    }
    
    .single-navigation__grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .single-related__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .single-hero__title {
        font-size: 3.75rem;
    }
    
    .single-share {
        display: flex;
    }
    
    .single-share-mobile {
        display: none;
    }
    
    .single-related__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile */
@media (max-width: 767px) {
    .single-hero {
        height: 60vh;
        min-height: 500px;
    }
    
    .single-hero__content {
        padding: 0 24px 48px;
    }
    
    .single-hero__title {
        font-size: 1.75rem;
    }
    
    .single-hero__decorative {
        display: none;
    }
    
    .single-main {
        padding: 48px 24px;
    }
    
    .single-share {
        display: none;
    }
    
    .single-share-mobile {
        display: block;
    }
    
    .single-content {
        font-size: 1rem;
    }
    
    .single-content h2 {
        font-size: 1.5rem;
        margin-top: 32px;
    }
    
    .single-content h3 {
        font-size: 1.25rem;
        margin-top: 24px;
    }
    
    .single-excerpt {
        padding: 24px;
    }
    
    .single-excerpt__text {
        font-size: 1.125rem;
    }
    
    .single-author {
        padding: 24px;
    }
    
    .single-related {
        margin-top: 64px;
        padding-top: 48px;
    }
    
    .single-related__title {
        font-size: 1.5rem;
    }
}

/* Large Desktop */
@media (min-width: 1280px) {
    .single-main__container {
        max-width: 1024px;
    }
    
    .single-hero__content {
        max-width: 1024px;
    }
}

/* ==========================================================================
   ACCESSIBILITY & PERFORMANCE
   ========================================================================== */

/* Focus States */
.single-hero__back:focus,
.single-hero__category:focus,
.single-share__button:focus,
.single-tags__tag:focus,
.single-author__link:focus,
.single-navigation__link:focus,
.single-related__item:focus {
    outline: 2px solid var(--single-accent);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .single-share,
    .single-share-mobile,
    .single-navigation,
    .single-related {
        display: none;
    }
    
    .single-hero {
        height: auto;
        min-height: auto;
    }
    
    .single-hero__overlay {
        background: rgba(17, 24, 39, 0.9);
    }
}