:root {
    --primary-color: #c0392b;
    --secondary-color: #2c3e50;
    --light-color: #ecf0f1;
    --dark-color: #121212;
    --gray-color: #95a5a6;
    --border-color: #34495e;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --text-light: #cccccc;
    --bg-content: rgba(0, 0, 0, 0.8);
    --bg-secondary: rgba(50, 50, 50, 0.8);
}

/* ============================================================================
   LAYOUT - Main Container
   ============================================================================ */
a {
    text-decoration: none;
    color: white;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-color);
}

ul {
    list-style: none;
}

.main-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-top: 90px;
    max-width: 1200px;
    background-color: var(--bg-secondary);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* ============================================================================
   POST CONTENT
   ============================================================================ */

.post-content {
    background-color: transparent;
    border-radius: 8px;
    overflow: hidden;
}

/* Post Header */
.post-header {
    margin-bottom: 30px;
}

.post-header-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 15px;
    line-height: 1.2;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
    word-wrap: break-word;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-meta i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.post-meta-bottom {
    display: flex;
    gap: 20px;
}
/* Post Tags */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
}

.post-tags i {
    color: var(--primary-color);
    font-size: 1rem;
}

.tag-link {
    display: inline-block;
    background-color: var(--primary-color);
    color: white !important;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--primary-color);
}

.tag-link:hover {
    background-color: transparent;
    color: var(--primary-color) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(192, 57, 43, 0.3);
}

/* Post Body */
.post-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: white;
    background-color: var(--bg-content);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    margin-bottom: 40px;
}

.post-body p {
    margin-bottom: 20px;
}

.post-body h1,
.post-body h2 {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    margin: 30px 0 20px;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: -0.5px;
    line-height: 1.3;
}

.post-body h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin: 25px 0 15px;
    color: #e74c3c;
    font-weight: 600;
}

.post-body h4,
.post-body h5,
.post-body h6 {
    font-size: 1.2rem;
    margin: 20px 0 10px;
    color: var(--text-light);
    font-weight: 500;
}

/* Lists */
.post-body ul,
.post-body ol {
    margin-bottom: 20px;
    padding-left: 25px;
}

.post-body li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.post-body ul li::marker {
    color: var(--primary-color);
}

.post-body ol li::marker {
    color: var(--primary-color);
    font-weight: 600;
}

/* Images */
.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: block;
}

.post-body figure {
    margin: 25px 0;
    text-align: center;
}

.post-body figcaption {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 10px;
    font-style: italic;
}

/* Blockquotes */
.post-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 20px 25px;
    margin: 25px 0;
    background-color: rgba(192, 57, 43, 0.1);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--text-light);
    border-radius: 0 8px 8px 0;
}

.post-body blockquote p:last-child {
    margin-bottom: 0;
}

/* Code blocks */
.post-body pre {
    background-color: #1e1e1e;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 25px 0;
    font-family: 'Fira Code', 'Courier New', monospace;
    color: #f8f8f2;
    border: 1px solid #333;
}

.post-body code {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', 'Courier New', monospace;
    color: #e74c3c;
    font-size: 0.9em;
}

.post-body pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Tables */
.post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    overflow: hidden;
}

.post-body th,
.post-body td {
    border: 1px solid #444;
    padding: 12px 15px;
    text-align: left;
}

.post-body th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.post-body tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.05);
}

.post-body tr:hover {
    background-color: rgba(192, 57, 43, 0.1);
}

/* Links */
.post-body a {
    color: #f39c12;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.post-body a:hover {
    color: var(--primary-color);
}

/* ============================================================================
   POST REFERENCES
   ============================================================================ */

.post-references {
    margin: 40px 0;
    padding: 25px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.post-references h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(192, 57, 43, 0.3);
}

.references-content {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.references-content p {
    margin-bottom: 10px;
}

.references-content a {
    color: #f39c12;
    text-decoration: underline;
}

.references-content a:hover {
    color: var(--primary-color);
}

.references-content ul {
    padding-left: 20px;
    margin-bottom: 15px;
}

.references-content ul li {
    margin-bottom: 8px;
    position: relative;
}

.references-content ul li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* ============================================================================
   RELATED POSTS
   ============================================================================ */

.related-posts {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid rgba(192, 57, 43, 0.3);
    display: block;
    visibility: visible;
}

.related-posts h3 {
    font-size: 1.6rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.related-posts .articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.article-card {
    background-color: #000;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
    max-width: 350px;
    will-change: transform;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(192, 57, 43, 0.2);
    border-color: rgba(192, 57, 43, 0.3);
}

.article-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-title {
    font-size: 1.1rem;
    margin-bottom: 12px;
    line-height: 1.4;
    flex-grow: 1;
}

.article-title a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-meta i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

/* ============================================================================
   ERROR 404
   ============================================================================ */

.error-404 {
    text-align: center;
    padding: 80px 30px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.error-content h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 700;
}

.error-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

.btn:hover {
    background-color: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(192, 57, 43, 0.3);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

@media (max-width: 992px) {
    .main-container {
        grid-template-columns: 1fr;
        padding: 25px;
        margin-top: 80px;
        gap: 30px;
        background: rgba(255, 255, 255, 0.112);
    }
    .post-body {
        padding: 20px;
        font-size: 1rem;
    }
    .related-posts .articles {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    .post-meta span {
        color: white;
    }
    .post-meta i {
        color: white;
    }
}

@media (max-width: 768px) {
    .main-container {
        margin-top: 70px;
        padding: 20px;
        gap: 25px;
    }
    .post-meta {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
        font-size: 0.85rem;
    }
    .post-meta span:first-child {
        order: 1;
        font-weight: 600;
        margin-bottom: 5px;
    }
    .post-meta-bottom {
        display: flex;
        gap: 15px;
        order: 2;
        font-size: 0.8rem;
    }
    .post-tags {
        display: none;
    }
    .post-body {
        padding: 20px;
        font-size: 1rem;
    }
    .post-body h1,
    .post-body h2 {
        margin: 25px 0 15px;
    }
    .post-body h3 {
        margin: 20px 0 10px;
    }
    .post-references {
        padding: 20px;
    }
    .post-references h3 {
        font-size: 1.2rem;
    }
    .references-content {
        font-size: 0.9rem;
    }
    .related-posts {
        display: none !important;
    }
    aside {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: 15px;
        margin-top: 60px;
    }
    .post-body {
        padding: 15px;
    }
    .post-meta {
        flex-direction: column;
        gap: 6px;
        align-items: flex-start;
        font-size: 0.8rem;
    }
    .post-tags {
        display: none !important;
    }
    .related-posts,
    aside {
        display: none !important;
    }
    .error-content {
        padding: 60px 20px;
    }
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

@media print {
    .main-container {
        grid-template-columns: 1fr;
        background: white;
        color: black;
        box-shadow: none;
        margin: 0;
        padding: 20px;
    }
    .post-body {
        background: white;
        color: black;
        box-shadow: none;
    }
    .post-title {
        color: black;
    }
    .post-meta {
        color: #666;
    }
    .tag-link,
    .btn {
        background: white;
        color: black;
        border: 1px solid black;
    }
    .related-posts,
    .post-references {
        background: white;
        border: 1px solid #ccc;
    }
    .post-tags,
    .related-posts,
    aside {
        display: none !important;
    }
}