:root {
    --primary: #0057ff;
    --primary-dark: #0046cc;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --light: #f8f9fa;
    --dark: #212529;
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 24px;
}

.navbar-brand .logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--gray-100);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    min-width: 200px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-lang {
    padding: 8px 12px;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    background: var(--gray-100);
    transition: var(--transition);
}

.btn-lang:hover {
    background: var(--gray-200);
}

.btn-profile {
    display: flex;
    align-items: center;
}

.avatar-xs {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-md {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.btn-primary {
    padding: 10px 20px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--gray-200);
    color: var(--gray-700);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-admin {
    padding: 10px 20px;
    background: var(--dark);
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
}

.main-content {
    min-height: calc(100vh - 200px);
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.hero-search {
    max-width: 600px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    gap: 12px;
}

.search-input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
}

.section {
    padding: 60px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
}

.section-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 16px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 32px;
}

.project-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-lg);
}

.project-cover {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--gray-200);
}

.project-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-cover img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.btn-view {
    padding: 12px 24px;
    background: var(--white);
    color: var(--dark);
    border-radius: var(--border-radius);
    font-weight: 600;
}

.project-info {
    padding: 20px;
}

.project-category-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

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

.project-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.project-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
}

.project-author:hover {
    color: var(--primary);
}

.project-stats {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: var(--gray-600);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.category-card {
    padding: 32px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.category-card:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.category-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.category-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.category-count {
    font-size: 14px;
    opacity: 0.8;
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.author-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.author-card:hover {
    border-color: var(--primary);
    box-shadow: var(--box-shadow-lg);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 16px;
    object-fit: cover;
}

.author-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.author-bio {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.author-projects {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
}

.project-detail {
    padding: 40px 0;
}

.project-header {
    padding: 40px 0;
    background: var(--gray-100);
}

.project-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 24px;
}

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

.project-detail-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
}

.project-detail-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-name {
    font-size: 16px;
    font-weight: 600;
}

.author-username {
    font-size: 14px;
    color: var(--gray-600);
}

.project-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-like {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.btn-like:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.btn-like.liked {
    background: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.project-stats-detail {
    display: flex;
    gap: 16px;
}

.project-cover-large {
    margin: 40px 0;
}

.project-cover-large img {
    width: 100%;
    border-radius: var(--border-radius);
}

.project-content {
    padding: 40px 0;
}

.project-description {
    margin-bottom: 40px;
}

.project-description h2 {
    font-size: 24px;
    margin-bottom: 16px;
}

.project-tags {
    margin-bottom: 40px;
}

.project-tags h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tag {
    padding: 8px 16px;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary);
    color: var(--white);
}

.project-gallery {
    display: grid;
    gap: 24px;
    margin-bottom: 40px;
}

.gallery-item img {
    width: 100%;
    border-radius: var(--border-radius);
}

.project-info-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    padding: 24px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 600;
}

.info-value {
    font-size: 16px;
    font-weight: 600;
}

.author-section {
    padding: 40px 0;
    border-top: 1px solid var(--gray-200);
}

.author-card-detail {
    display: flex;
    gap: 32px;
    padding: 32px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

.author-avatar-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info-detail {
    flex: 1;
}

.author-info-detail h3 {
    font-size: 24px;
    margin-bottom: 4px;
}

.author-info-detail .author-username {
    margin-bottom: 12px;
}

.author-info-detail .author-bio {
    margin-bottom: 16px;
}

.author-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.skill-badge {
    padding: 6px 12px;
    background: var(--white);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.related-projects {
    padding: 60px 0;
    background: var(--gray-100);
}

.profile-page {
    padding: 40px 0;
}

.profile-header {
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    margin-bottom: 40px;
}

.profile-header-content {
    display: flex;
    gap: 32px;
    align-items: center;
    margin-bottom: 32px;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--white);
    object-fit: cover;
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-username {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 16px;
}

.profile-bio {
    font-size: 16px;
    margin-bottom: 16px;
    opacity: 0.95;
}

.profile-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.profile-social {
    display: flex;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

.profile-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

.profile-projects {
    padding: 40px 0;
}

.category-page,
.search-page {
    padding: 40px 0;
}

.category-header,
.search-header {
    padding: 60px 0;
    background: var(--gray-100);
    margin-bottom: 40px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 24px;
}

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

.category-header-content {
    text-align: center;
}

.category-icon-large {
    font-size: 64px;
    margin-bottom: 16px;
}

.category-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 8px;
}

.category-count {
    font-size: 18px;
    color: var(--gray-600);
}

.category-filters {
    margin-bottom: 40px;
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-tab {
    padding: 10px 20px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.filter-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-tab.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.search-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.search-form-large {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    gap: 12px;
}

.search-input-large {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 18px;
}

.btn-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
}

.btn-search:hover {
    background: var(--primary-dark);
}

.search-results-header {
    margin-bottom: 32px;
}

.search-results-header h2 {
    font-size: 24px;
}

.search-query {
    color: var(--primary);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-state svg {
    margin: 0 auto 24px;
    color: var(--gray-400);
}

.empty-state h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.empty-state p {
    color: var(--gray-600);
    margin-bottom: 24px;
}

.auth-page {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--gray-100);
}

.auth-container {
    display: flex;
    gap: 40px;
    max-width: 900px;
    width: 100%;
}

.auth-card {
    flex: 1;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 32px;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--gray-600);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

.form-input {
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 15px;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 87, 255, 0.1);
}

.form-group small {
    font-size: 13px;
    color: var(--gray-600);
}

.btn-block {
    width: 100%;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
}

.auth-demo {
    flex: 0 0 300px;
}

.demo-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.demo-card h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.demo-account {
    padding: 16px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
}

.demo-account strong {
    display: block;
    margin-bottom: 8px;
}

.demo-account p {
    font-size: 13px;
    color: var(--gray-700);
    margin: 4px 0;
}

.alert {
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-link {
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: var(--dark);
    color: var(--white);
    padding: 24px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-brand {
    margin-bottom: 32px;
}

.admin-brand h2 {
    font-size: 20px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.admin-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.admin-nav-link.active {
    background: var(--primary);
    color: var(--white);
}

.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: 40px;
    background: var(--gray-100);
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.admin-header h1 {
    font-size: 32px;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.stat-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
}

.stat-icon-blue {
    background: rgba(0, 87, 255, 0.1);
    color: var(--primary);
}

.stat-icon-green {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.stat-icon-purple {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.stat-icon-red {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.stat-content .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.stat-content .stat-label {
    font-size: 14px;
    color: var(--gray-600);
}

.admin-section {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.admin-section .section-header {
    margin-bottom: 24px;
}

.admin-table {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.admin-table table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    background: var(--gray-100);
    padding: 16px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-700);
}

.admin-table td {
    padding: 16px;
    border-top: 1px solid var(--gray-200);
    font-size: 14px;
}

.table-thumb {
    width: 60px;
    height: 45px;
    object-fit: cover;
    border-radius: 4px;
}

.table-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.table-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--gray-100);
    color: var(--gray-700);
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-icon-danger:hover {
    background: var(--danger);
    color: var(--white);
}

.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.admin-form-container {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.admin-form {
    max-width: 700px;
}

.form-section {
    margin-bottom: 40px;
}

.form-section h2 {
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

.form-preview {
    max-width: 200px;
    margin-top: 12px;
    border-radius: var(--border-radius);
}

.form-actions {
    display: flex;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.info-box {
    padding: 20px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    font-size: 14px;
}

.info-box p {
    margin-bottom: 8px;
}

.info-box code {
    padding: 2px 6px;
    background: var(--white);
    border-radius: 4px;
    font-family: monospace;
}

.categories-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

.category-item .category-icon {
    font-size: 24px;
}

.category-item .category-slug {
    margin-left: auto;
    font-size: 13px;
    color: var(--gray-600);
}

.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 24px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 16px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.behance-profile {
    background: var(--white);
    min-height: 100vh;
}

.profile-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    gap: 40px;
    padding: 40px 20px;
}

.profile-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.profile-user-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    margin-bottom: 24px;
    text-align: center;
}

.profile-user-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px;
}

.profile-user-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--dark);
}

.profile-user-username {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.profile-user-roles {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
}

.user-role {
    font-size: 13px;
    color: var(--gray-700);
}

.btn-follow {
    width: 100%;
    padding: 10px 16px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-follow:hover {
    background: var(--primary-dark);
}

.btn-message {
    width: 100%;
    padding: 10px 16px;
    background: var(--white);
    color: var(--dark);
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-message:hover {
    background: var(--gray-100);
}

.profile-tabs {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 16px;
}

.profile-tab {
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: 6px;
    transition: var(--transition);
}

.profile-tab:hover {
    background: var(--gray-100);
}

.profile-tab.active {
    background: var(--gray-100);
    color: var(--dark);
    font-weight: 600;
}

.profile-stats-sidebar {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 13px;
}

.stat-row .stat-label {
    color: var(--gray-600);
}

.stat-row .stat-value {
    font-weight: 600;
    color: var(--dark);
}

.profile-info-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.profile-info-section:last-child {
    border-bottom: none;
}

.info-section-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.info-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 13px;
    color: var(--gray-700);
    transition: var(--transition);
}

.info-link:hover {
    color: var(--primary);
}

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

.skill-tag {
    padding: 6px 12px;
    background: var(--gray-100);
    border-radius: 20px;
    font-size: 12px;
    color: var(--gray-700);
    font-weight: 500;
}

.about-text {
    font-size: 13px;
    line-height: 1.6;
    color: var(--gray-700);
}

.profile-main-content {
    flex: 1;
    min-width: 0;
}

.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 0;
}

.masonry-link {
    display: block;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.masonry-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.masonry-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--gray-200);
}

.masonry-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.masonry-link:hover .masonry-image img {
    transform: scale(1.05);
}

.masonry-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    align-items: flex-end;
    padding: 16px;
    opacity: 0;
    transition: var(--transition);
}

.masonry-link:hover .masonry-overlay {
    opacity: 1;
}

.masonry-stats {
    display: flex;
    gap: 16px;
    color: var(--white);
}

.masonry-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
}

.masonry-info {
    padding: 12px 0;
}

.masonry-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

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

.masonry-category {
    font-size: 12px;
    color: var(--gray-600);
}

@media (max-width: 1200px) {
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 992px) {
    .profile-container {
        flex-direction: column;
    }
    
    .profile-sidebar {
        width: 100%;
    }
    
    .profile-user-card {
        display: flex;
        align-items: center;
        gap: 20px;
        text-align: left;
    }
    
    .profile-user-avatar {
        margin: 0;
    }
    
    .profile-tabs {
        flex-direction: row;
        overflow-x: auto;
    }
    
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-stats {
        justify-content: center;
    }
    
    .author-card-detail {
        flex-direction: column;
        text-align: center;
    }
    
    .auth-container {
        flex-direction: column;
    }
    
    .auth-demo {
        flex: 1;
    }
    
    .admin-sidebar {
        width: 100%;
        position: static;
        height: auto;
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .masonry-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-user-card {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-user-avatar {
        margin: 0 auto 16px;
    }
}