.writeups-hero {
    padding-top: 140px;
    padding-bottom: 40px;
    background-color: var(--dark-bg);
}

.writeups-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.8;
}

.writeups-content {
    padding-top: 40px;
    padding-bottom: 100px;
    background-color: var(--dark-bg);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background-color: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    font-family: inherit;
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-color);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
}

/* Writeups Grid */
.writeups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

/* Writeup Card */
.writeup-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 28px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.writeup-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.08);
}

.writeup-card.hidden {
    display: none;
}

.writeup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.writeup-category {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.writeup-category.htb {
    background-color: rgba(159, 239, 0, 0.1);
    color: #9fef00;
    border: 1px solid rgba(159, 239, 0, 0.3);
}

.writeup-category.ctf {
    background-color: rgba(0, 163, 255, 0.1);
    color: #00a3ff;
    border: 1px solid rgba(0, 163, 255, 0.3);
}

.writeup-category.blog {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.writeup-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: 'Courier New', Courier, monospace;
}

.writeup-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.2px;
    line-height: 1.4;
}

.writeup-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

.writeup-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.writeup-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.writeup-difficulty {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.writeup-difficulty.easy {
    background-color: rgba(159, 239, 0, 0.1);
    color: #9fef00;
}

.writeup-difficulty.medium {
    background-color: rgba(255, 176, 0, 0.1);
    color: #ffb000;
}

.writeup-difficulty.hard {
    background-color: rgba(255, 68, 68, 0.1);
    color: #ff4444;
}

.writeup-difficulty.insane {
    background-color: rgba(180, 0, 255, 0.1);
    color: #b400ff;
}

.writeup-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.empty-state span {
    font-size: 0.95rem;
}

/* Post Page Styles */
.post-content {
    padding-top: 140px;
    padding-bottom: 100px;
    background-color: var(--dark-bg);
}

.post-content .container {
    max-width: 800px;
}

.post-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 30px;
    transition: var(--transition);
}

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

.post-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.3;
}

.post-info {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.post-body {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: 1.05rem;
}

.post-body h2 {
    color: var(--text-primary);
    font-size: 1.6rem;
    margin-top: 40px;
    margin-bottom: 16px;
    font-weight: 600;
}

.post-body h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-top: 30px;
    margin-bottom: 12px;
    font-weight: 600;
}

.post-body p {
    margin-bottom: 16px;
}

.post-body code {
    background-color: rgba(255, 255, 255, 0.08);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: var(--text-primary);
}

.post-body pre {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    overflow-x: auto;
    margin: 20px 0;
}

.post-body pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.post-body img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin: 20px 0;
}

.post-body ul, .post-body ol {
    margin: 16px 0;
    padding-left: 24px;
}

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

.post-body blockquote {
    border-left: 3px solid var(--primary-color);
    padding-left: 20px;
    margin: 20px 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* Flag highlight */
.flag-box {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    padding: 12px 16px;
    border-radius: 4px;
    margin: 16px 0;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
}

.post-body table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.post-body table th,
.post-body table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.post-body table th {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.post-body table td {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.post-body table tr:last-child td {
    border-bottom: none;
}

/* Responsive */
@media (max-width: 640px) {
    .writeups-grid {
        grid-template-columns: 1fr;
    }

    .writeups-hero {
        padding-top: 100px;
    }

    .post-title {
        font-size: 1.8rem;
    }

    .filter-bar {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}