:root {
    /* Reading optimized variables */
    --reading-font: 'Merriweather', serif;
    --reading-line-height: 1.8;
    --reading-max-width: 760px;
    --reading-font-size: 1.125rem;
    --reading-spacing: 2rem;
}

.blog-page {
    padding-top: 2rem;
    min-height: 100vh;
    background-color: var(--blog-bg-color);
}

.article-container {
    max-width: var(--reading-max-width);
    margin: 2rem auto 0;
    padding: 0 1.5rem;
    position: relative;
    background-color: var(--blog-bg-color);
    z-index: 1;
    margin-top: 1rem;
}

/* Adjust the main content to ensure proper positioning */
.blog-article {
    position: relative;
    z-index: 1;
    margin-top: 0;
    background-color: var(--blog-bg-color);
}

/* Add a container for the header to ensure proper stacking */
.header-wrapper {
    position: relative;
    z-index: 2;
    background-color: var(--blog-bg-color);
    padding: 0.7rem 0 1.3rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--blog-card-border);
}

.article-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--blog-bg-color);
    margin: 0;
    padding: 0;
    border: none;
    text-align: center;
}

.article-main-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.article-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0.7rem 0 0.3rem 0;
    padding: 0;
    color: var(--blog-text-color);
    text-align: center;
    width: 100%;
}

.article-meta-info {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 0.75rem;
}

.article-category {
    display: inline-flex;
    align-items: center;
    background-color: var(--blog-light-accent);
    color: var(--blog-accent-color);
    padding: 0.2rem 0.6rem;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 600;
    margin: 0 0.5rem;
    white-space: nowrap;
    height: 1.5rem;
    width: fit-content;
}

.article-meta {
    display: flex;
    align-items: center;
    margin: 0;
    color: var(--blog-text-color);
    opacity: 0.8;
    font-size: 0.75rem;
    white-space: nowrap;
}

.article-meta-item {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

.article-meta-item:first-child {
    margin-left: 0;
}

.article-meta-item i {
    margin-right: 0.3rem;
    font-size: 0.8rem;
}

.article-featured-image {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: var(--blog-border-radius);
    margin-top: 1rem;
}

.article-content {
    font-family: var(--reading-font);
    font-size: var(--reading-font-size);
    line-height: var(--reading-line-height);
    color: var(--blog-text-color);
    margin-bottom: var(--reading-spacing);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
    color: var(--blog-text-color);
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--blog-text-color);
}

.article-content ul, 
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content blockquote {
    border-left: 4px solid var(--blog-accent-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--blog-text-color);
    opacity: 0.9;
}

.article-content code {
    background-color: var(--blog-light-accent);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
    font-family: monospace;
}

.article-content pre {
    background-color: var(--blog-light-accent);
    padding: 1rem;
    border-radius: var(--blog-border-radius);
    overflow-x: auto;
    margin: 1.5rem 0;
}

.article-content pre code {
    background-color: transparent;
    padding: 0;
}

.article-content img {
    max-width: 100%;
    border-radius: var(--blog-border-radius);
    margin: 1.5rem 0;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0;
}

.article-tag {
    background-color: var(--blog-light-accent);
    color: var(--blog-accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 3rem 0;
    padding-top: 2rem;
    border-top: 1px solid var(--blog-card-border);
}

.article-share {
    display: flex;
    gap: 1rem;
}

.article-share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blog-light-accent);
    color: var(--blog-accent-color);
    transition: var(--blog-transition);
    cursor: pointer;
}

.article-share-btn:hover {
    background-color: var(--blog-accent-color);
    color: white;
}

.article-back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--blog-accent-color);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--blog-transition);
}

.article-back-btn:hover {
    opacity: 0.85;
}

.article-back-btn i {
    transition: var(--blog-transition);
}

.article-back-btn:hover i {
    transform: translateX(-3px);
}

.theme-toggle {
    position: fixed;
    bottom: auto;
    top: 1.5rem;
    right: 1.5rem;
    left: auto;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--blog-accent-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--blog-transition);
    z-index: 100;
    border: none;
    font-size: 1rem;
}

.back-button {
    position: fixed;
    bottom: auto;
    top: 1.5rem;
    left: 1.5rem;
    right: auto;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--blog-accent-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--blog-transition);
    z-index: 100;
    border: none;
    font-size: 1rem;
    text-decoration: none;
}

.theme-toggle:hover, .back-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.quick-share {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 100;
}

.quick-share-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blog-accent-color);
    color: white;
    transition: var(--blog-transition);
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: none;
    font-size: 1.2rem;
}

.quick-share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.share-options {
    position: absolute;
    bottom: 60px;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    background-color: var(--blog-bg-color);
    border-radius: 10px;
    padding: 0.5rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.share-options.active {
    display: flex;
}

.share-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blog-light-accent);
    color: var(--blog-accent-color);
    transition: var(--blog-transition);
    cursor: pointer;
}

.share-option:hover {
    background-color: var(--blog-accent-color);
    color: white;
}

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background-color: var(--blog-accent-color);
    transform-origin: 0;
    transform: scaleX(0);
    z-index: 1000;
}

/* Responsive design */
@media (max-width: 768px) {
    .blog-page {
        padding-top: 4rem; /* Add more top padding for mobile */
    }
    
    .article-container {
        margin-top: 2rem; /* Add more top margin */
        padding: 0 1.5rem; /* Increase side padding */
    }
    
    .header-wrapper {
        padding: 1.5rem 0 1.3rem; /* Increase top padding */
        margin-bottom: 1.5rem;
    }
    
    .article-title {
        font-size: 1.6rem;
        margin: 1rem 0 0.75rem 0; /* Add top margin */
        padding: 0 0.5rem; /* Add side padding for better indentation */
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .theme-toggle {
        top: 1rem;
        right: 1rem;
    }
    
    .back-button {
        top: 1rem;
        left: 1rem;
    }
}

@media (max-width: 576px) {
    .blog-page {
        padding-top: 5rem; /* Even more top padding for small mobile */
    }
    
    .article-container {
        margin-top: 2.5rem; /* More top margin for small screens */
        padding: 0 1.25rem; /* Adjust side padding */
    }
    
    .header-wrapper {
        padding: 2rem 0 1.5rem; /* More top padding */
    }
    
    .article-title {
        font-size: 1.4rem;
        margin: 1.5rem 0 0.75rem 0; /* More top margin */
        padding: 0 0.75rem; /* More side padding for indentation */
        line-height: 1.3;
    }
    
    .article-meta-info {
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
    }
    
    .theme-toggle, .back-button {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .quick-share-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
}

/* Loading state */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    color: var(--blog-text-color);
}

.loading-spinner {
    font-size: 2rem;
    color: var(--blog-accent-color);
    margin-bottom: 1rem;
    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Error state */
.error-container {
    text-align: center;
    padding: 3rem 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.error-icon {
    font-size: 3rem;
    color: #ff5757;
    margin-bottom: 1rem;
}

.error-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--blog-text-color);
}

.error-message {
    margin-bottom: 2rem;
    color: var(--blog-text-color);
    opacity: 0.8;
}

.error-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--blog-accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--blog-transition);
}

.error-btn:hover {
    opacity: 0.9;
}

/* Print styles for better readability when printing */
@media print {
    body {
        font-size: 12pt;
        background: white;
        color: black;
    }
    
    .theme-toggle, 
    .article-actions, 
    .blog-footer {
        display: none;
    }
    
    .article-container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }
    
    .article-content {
        font-size: 12pt;
    }
}

.toast-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--blog-accent-color);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}

.toast-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* Add toast animation */
@keyframes fadeOut {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-20px); }
}

.toast-notification.fade-out {
    animation: fadeOut 0.5s forwards;
}