/* ===========================
   WRITEUP PAGE - HEADER
=========================== */
.writeup-header {
    padding: 50px 0 30px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--primary);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.writeup-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.meta-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.meta-card i {
    font-size: 2rem;
    color: var(--primary);
}

.meta-content {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.meta-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.overview-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    padding: 30px;
    margin: 30px 0;
}

.overview-box h2 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.overview-box p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===========================
   TABLE OF CONTENTS
=========================== */
.toc-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 30px;
    margin: 30px 0;
}

.toc-box h3 {
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toc-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toc-item {
    display: grid;
    grid-template-columns: 40px 1fr auto;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(100, 255, 218, 0.05);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.toc-item:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--primary);
    transform: translateX(5px);
}

.toc-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.toc-title {
    color: var(--text-primary);
    font-weight: 500;
}

.toc-category {
    padding: 4px 12px;
    background: var(--accent-glow);
    border: 1px solid var(--primary);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--primary);
}

/* ===========================
   CHALLENGE WRITEUPS
=========================== */
.challenges-section {
    padding: 20px 0 40px;
}

.challenge-writeup {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
    scroll-margin-top: 100px;
}

.challenge-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.challenge-number {
    width: 60px;
    height: 60px;
    background: rgba(100, 255, 218, 0.07);
    border: 2px solid rgba(100, 255, 218, 0.45);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    box-shadow: 0 0 12px rgba(100, 255, 218, 0.12);
    flex-shrink: 0;
}

.challenge-title-group h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.challenge-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.category-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid;
}



.points-badge {
    padding: 6px 14px;
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid var(--primary);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.challenge-description {
    background: rgba(100, 255, 218, 0.05);
    border-left: 4px solid var(--primary);
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 30px;
}

.challenge-description h3 {
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.challenge-description p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.challenge-files {
    margin-top: 15px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.file-tag {
    padding: 6px 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

.file-tag i {
    color: var(--primary);
    margin-right: 6px;
}

/* ===========================
   WRITEUP CONTENT
=========================== */
.writeup-content {
    margin-bottom: 30px;
}

.writeup-content h3 {
    color: var(--primary);
    margin: 30px 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
}

.writeup-content h4 {
    color: var(--text-primary);
    margin: 25px 0 15px;
    font-size: 1.1rem;
}

.writeup-content p {
    color: var(--text-primary);
    line-height: 1.9;
    margin-bottom: 18px;
    font-size: 0.97rem;
    letter-spacing: 0.01em;
}

.writeup-content code {
    background: var(--bg-darker);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* Images in writeups */
.writeup-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin: 20px 0;
    display: block;
}

.image-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
}

.image-wrapper img {
    margin: 0;
    border: none;
}

.image-caption {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 10px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.image-grid img {
    margin: 0;
}

.screenshot {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border);
}

.screenshot:hover {
    transform: scale(1.02);
    transition: transform 0.3s ease;
    cursor: zoom-in;
}

.terminal-screenshot {
    background: var(--bg-darker);
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--primary);
}

/* ===========================
   CODE BLOCKS
=========================== */
.code-block {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin: 20px 0;
}

.code-header {
    background: rgba(100, 255, 218, 0.05);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.code-lang {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.copy-btn:hover {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
}

.code-block pre {
    padding: 20px;
    margin: 0;
    overflow-x: auto;
}

.code-block code {
    background: transparent;
    padding: 0;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===========================
   INFO BOXES
=========================== */
.info-box {
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    border-left: 4px solid;
}

.info-box i {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.info-box.success {
    background: rgba(81, 207, 102, 0.1);
    border-color: var(--green);
    color: var(--green);
}

.info-box.warning {
    background: rgba(255, 190, 60, 0.1);
    border-color: #ffbe3c;
    color: #ffbe3c;
}

.info-box.danger {
    background: rgba(255, 85, 85, 0.1);
    border-color: #ff5555;
    color: #ff5555;
}

.info-box.info {
    background: rgba(77, 171, 247, 0.1);
    border-color: var(--secondary);
    color: var(--secondary);
}

.info-box strong {
    display: block;
    margin-bottom: 5px;
}

/* ===========================
   FLAG SECTION
=========================== */
.flag-section {
    background: linear-gradient(135deg, rgba(100, 255, 218, 0.05), rgba(77, 171, 247, 0.05));
    border: 2px solid var(--primary);
    border-radius: 12px;
    padding: 30px;
    margin-top: 30px;
}

.flag-section h3 {
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
}

.flag-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    gap: 15px;
}

.flag-box code {
    flex: 1;
    background: transparent;
    color: var(--primary);
    font-size: 1.1rem;
    font-family: 'Courier New', monospace;
}

.flag-box .copy-btn {
    flex-shrink: 0;
}

/* ===========================
   NAVIGATION
=========================== */
.writeup-navigation {
    padding: 20px 0 40px;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
    transform: translateX(-5px);
}

/* ===========================
   RESPONSIVE
=========================== */
/* Disable hover transforms on touch devices */
@media (hover: none) {
    .toc-item:hover {
        transform: none;
    }

    .nav-btn:hover {
        transform: none;
    }

    .screenshot:hover {
        transform: none;
    }
}

@media (max-width: 768px) {
    .writeup-header {
        padding: 70px 0 40px;
    }

    .challenge-header {
        grid-template-columns: 1fr;
    }

    .challenge-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .challenge-writeup {
        padding: 22px;
    }

    .code-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .toc-item {
        grid-template-columns: 36px 1fr auto;
        gap: 8px 10px;
        padding: 12px;
    }

    .flag-box {
        flex-wrap: wrap;
    }

    .flag-box code {
        min-width: 0;
        word-break: break-all;
    }

    .image-grid {
        grid-template-columns: 1fr;
    }

    .writeup-meta-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .overview-box {
        padding: 20px;
    }

    .toc-box {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .writeup-header {
        padding: 50px 0 30px;
    }

    .challenge-writeup {
        padding: 16px;
    }

    .challenge-title-group h2 {
        font-size: 1.35rem;
    }

    .writeup-meta-grid {
        grid-template-columns: 1fr 1fr;
    }

    .meta-card {
        padding: 14px;
        gap: 10px;
    }

    .meta-card i {
        font-size: 1.5rem;
    }

    .flag-box code {
        font-size: 0.85rem;
        word-break: break-all;
    }

    .toc-category {
        font-size: 0.75rem;
        padding: 3px 8px;
    }

    .flag-section {
        padding: 20px;
    }

    .nav-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .writeup-content h3 {
        font-size: 1.1rem;
    }

    .code-block pre {
        padding: 14px;
    }

    .code-block code {
        font-size: 0.82rem;
    }
}