/* Основні стилі */
:root {
    --primary: #4361ee;
    --secondary: #3f37c9;
    --dark: #212529;
    --light: #f8f9fa;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --spacing: 1.5rem;
    --border-radius: 0.5rem;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(135deg, #f0f2f5 0%, #e6e9ef 100%);
    min-height: 100vh;
}

.portfolio-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-container {
    flex: 1;
    padding: var(--spacing);
}

/* Навігаційна панель */
.portfolio-nav {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

.nav-link:hover {
    background: rgba(67, 97, 238, 0.1);
}

.nav-link i {
    font-size: 1rem;
}

/* Основна стаття */
.portfolio-article {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Коллаж зображень */
.collage-container {
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Заголовок статті */
.article-header {
    padding: 2rem;
    border-bottom: 1px solid var(--light-gray);
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--gray);
    font-size: 0.9rem;
}

.article-meta i {
    margin-right: 0.3rem;
}


/* Оновлені стилі для блоку автора */
.author-profile {
    padding: 0.5rem 2rem;
    margin: 0.5rem auto;
    width: 100%;
}

.author-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 0.8rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    max-width: 100%;
    margin: 0 auto;
}

.author-img {
    width: 60px;
    height: 60px;
    margin-top: 1rem;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 0.3rem 0;
}

.author-content {
    text-align: left;
    width: 100%;
    padding: 0 0.8rem;
}

.author-heading {
    font-size: 1rem;
    color: var(--dark);
    margin-top: 0;
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.author-position {
    color: var(--gray);
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
}

.author-github {
    color: var(--text-secondary, #64667e);
    font-style: italic;
    font-size: 0.9rem;
    font-weight: normal;
    text-decoration: none;
    transition: all 0.2s ease;
    margin-top: 0.2rem;
    margin-left: 0;
}
.author-github:hover {
    text-decoration: underline;
    color: var(--primary);
    transform: scale(1.05);
    transition: all 0.2s ease;
    
}

/* Стилі для highlight тексту */
.highlight {
    background-color: rgba(67, 97, 238, 0.15);
    padding: 0.1rem 0.3rem;
    border-radius: 0.3rem;
    font-weight: 500;
}

/* Адаптивність */
@media (min-width: 768px) {
    .author-card {
        flex-direction: row;
        padding: 1rem;
        align-items: center;

    }
    
    .author-img {
        width: 60px;
        height: 60px;
        margin-right: 1rem;
        margin-bottom: 0;
    }
}

@media (min-width: 1024px) {
    .author-card {
        padding: 1.2rem;
    }
    
    .author-img {
        width: 70px;
        height: 70px;
    }
    
    .author-heading {
        font-size: 1.1rem;
    }
}

/* Контент статті */
.article-content {
    padding: 0 2rem 2rem;
}

.article-content h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.article-content p {
    color: var(--dark);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Секції */
.section-title {
    font-size: 1.75rem;
    margin: 2rem 0 1.5rem;
    color: var(--primary);
}

/* Проекти */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.project-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

.project-image {
    height: 150px;
    width: 100%;
    object-fit: cover;
    border-bottom: 1px solid var(--light-gray);
}

.project-content {
    padding: 1.2rem;
}

.project-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.project-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.project-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

.project-meta span {
    background: rgba(0,0,0,0.05);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

/* Навички */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    box-shadow: 
        0 2px 8px rgba(0,0,0,0.08),
        0 4px 12px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 4px 12px rgba(0,0,0,0.1),
        0 8px 16px rgba(0,0,0,0.08);
}

.skill-item i {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 1.2rem;
    padding: 0.8rem;
    border-radius: 12px;
    background: rgba(67, 97, 238, 0.1);
}

.skill-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.skill-item p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.5;
}

.about-me {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.about-me p {
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 1.1rem;
}

/* Банер - Mobile First */
.banner-container {
    width: 100%;
    margin: 2rem 0;
    padding: 0 1rem;
}

.banner {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(63, 55, 201, 0.1) 100%);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.banner-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.banner-text h3 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
    text-align: center;
}

.banner-text p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: center;
}

.banner-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.banner-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: white;
    border-radius: 0.5rem;
    color: var(--dark);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid rgba(0,0,0,0.1);
}

.banner-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.banner-button i {
    font-size: 0.9rem;
}

/* Планшетна версія */
@media (min-width: 768px) {
    .banner {
        padding: 1.5rem 2rem;
    }
    
    .banner-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .banner-text {
        text-align: left;
        flex: 1;
        padding-right: 2rem;
    }
    
    .banner-buttons {
        display: flex;
        gap: 1rem;
    }
    
    .banner-button {
        padding: 0.75rem 1.25rem;
    }
}

/* Десктопна версія */
@media (min-width: 1024px) {
    .banner {
        height: 110px;
        padding: 0 2rem;
    }
    
    .banner-button {
        padding: 0.75rem 1.5rem;
    }
}

.version-badge {
    display: inline-block;
    font-family: 'Fira Code', monospace;
    font-size: 0.7rem;
    color: var(--primary);
    background: rgba(67, 97, 238, 0.05);
    padding: 0.2rem 0.6rem;
    border-radius: 0.5rem;
    margin-left: 0.5rem;
    vertical-align: text-top;
    text-decoration: none;
    border: 1px solid rgba(67, 97, 238, 0.1);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}

.github-username {
    font-size: 0.9rem;
    opacity: 0.8;
    transition: all 0.2s;
}

.github-username:hover {
    opacity: 1;
}

.article-title {
    margin-bottom: 0;
    display: inline-flex;
    align-items: center;
}

.article-title {
    position: relative;
    margin-bottom: 0;
}

.version-link p {
    margin: 0;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contacts-text p {
    color: var(--gray);
    font-size: 0.875rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.contacts-button {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    padding: 0.5rem 1.5rem;
    border-radius: 0.75rem;
    color: var(--dark);
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.contacts-button:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contacts-button::after {
    content: "→";
    font-size: 0.875rem;
}

/* Футер */
.portfolio-footer {
    background: var(--dark);
    color: white;
    padding: 3rem var(--spacing) 2rem;
    margin-top: 0;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
    text-align: center;
}

.footer-meta {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--light-gray);
}

.code-signature {
    font-family: 'Fira Code', monospace;
    color: var(--primary);
    font-weight: bold;
    margin-left: 0.5rem;
}

.code-link {
    color: var(--primary);
    text-decoration: none;
    font-family: 'Fira Code', monospace;
    position: relative;
}

.code-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.code-link:hover::after {
    transform: scaleX(1);
}

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    opacity: 0.8;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

/* Стилі для тегів */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 2rem;
    justify-content: center;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    background: rgba(67, 97, 238, 0.08);
    border-radius: 0.5rem;
    font-size: 0.8rem;
    color: var(--primary);
    transition: all 0.2s ease;
    border: 1px solid rgba(67, 97, 238, 0.15);
}

.tag::before {
    content: '#';
    margin-right: 0.3rem;
    color: var(--primary);
    opacity: 0.7;
}

.tag:hover {
    background: rgba(67, 97, 238, 0.15);
    transform: translateY(-1px);
}

.portfolio-article {
    background: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 0;
}

.copyright {
    font-size: 0.9rem;
    color: var(--light-gray);
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Сторінка версій */
.version-history {
    margin-top: 2rem;
}

.version-item {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--light-gray);
}

.version-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.version-date {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.version-changes {
    padding-left: 1.5rem;
}

.version-changes li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Сторінка версій */
.version-history {
    margin-top: 2rem;
}

.version-item {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--light-gray);
}

.version-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.version-date {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: normal;
}

.version-changes {
    padding-left: 1.5rem;
}

.version-changes li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    position: relative;
}

.version-changes li::before {
    content: "•";
    color: var(--primary);
    position: absolute;
    left: -1rem;
}

.version-changes pre {
    background: rgba(0,0,0,0.05);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Сторінка версій */
.version-item {
    background: var(--light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow);
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.tech-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    font-family: 'Fira Code', monospace;
    font-weight: 500;
}

.tech-badge.html { background: #e34c26; color: white; }
.tech-badge.css { background: #2965f1; color: white; }
.tech-badge.js { background: #f0db4f; color: black; }
.tech-badge.react { background: #61dafb; color: black; }

.version-details {
    margin-top: 1.5rem;
}

.version-features h4,
.version-tech h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.tech-item {
    background: white;
    padding: 1rem;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.tech-item h5 {
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.tech-item p {
    color: var(--gray);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Хакерський username */
.github-username {
    font-family: 'Fira Code', monospace;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    margin-left: 0.5rem;
}

.github-username::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.github-username:hover::after {
    transform: scaleX(1);
}

/* Адаптивність */
@media (max-width: 768px) {
    .content-container {
        padding: 1rem;
    }

    .collage-container {
        height: 300px;
    }

    .article-title {
        font-size: 1.75rem;
    }

    .author-info {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
        margin: 1rem 0;
    }

    .author-avatar {
        margin-right: 0;
        margin-bottom: 1rem;
    }

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