/* layout.css - Макеты и сетки */

/* Основной макет */
.main-layout {
    min-height: calc(100vh - var(--header-height));
    background-color: var(--color-bg);
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Шапка сайта */
.site-header {
    height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Логотип */
.header-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 0.125rem;
}

/* Навигация */
.header-nav {
    flex: 1;
    max-width: 400px;
    margin: 0 2rem;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.nav-item.active .nav-link {
    color: var(--color-primary);
    background-color: rgba(255, 46, 46, 0.1);
}

.nav-link .badge {
    margin-left: 0.5rem;
}

/* Поиск в шапке */
.header-search {
    flex: 1;
    max-width: 400px;
    margin: 0 2rem;
}

/* Действия пользователя */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-create-post {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-create-post .btn-text {
    display: inline;
}

/* Меню пользователя */
.user-menu-wrapper {
    position: relative;
}

.user-avatar-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.user-avatar-btn:hover {
    background-color: var(--color-bg-secondary);
}

.user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 280px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
    display: none;
}

.user-dropdown.show {
    display: block;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.dropdown-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dropdown-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.dropdown-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dropdown-user-details {
    flex: 1;
    overflow: hidden;
}

.dropdown-username {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-body {
    padding: 0.5rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--color-text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-primary);
}

.dropdown-item i {
    width: 1.25rem;
    color: var(--color-text-secondary);
}

.dropdown-item:hover i {
    color: var(--color-primary);
}

.dropdown-item-logout {
    color: var(--color-danger);
}

.dropdown-item-logout:hover {
    background-color: rgba(244, 67, 54, 0.1);
    color: var(--color-danger);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 0.5rem 0;
}

/* Кнопки авторизации */
.auth-buttons {
    display: flex;
    gap: 0.75rem;
}

/* Мобильное меню */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 1.875rem;
    height: 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-surface);
    border-left: 1px solid var(--color-border);
    z-index: var(--z-modal);
    transition: right var(--transition-base);
    display: flex;
    flex-direction: column;
}

.mobile-nav.show {
    right: 0;
}

.mobile-nav-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
    text-decoration: none;
}

.mobile-nav-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-nav-close:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.mobile-nav-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
}

.mobile-search-form {
    margin-bottom: 1.5rem;
}

.mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-item {
    margin-bottom: 0.25rem;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--color-text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-primary);
}

.mobile-nav-item.active .mobile-nav-link {
    color: var(--color-primary);
    background-color: rgba(255, 46, 46, 0.1);
}

.mobile-badge {
    margin-left: auto;
}

.mobile-nav-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 1rem 0;
}

.mobile-nav-logout {
    color: var(--color-danger);
}

.mobile-nav-logout:hover {
    background-color: rgba(244, 67, 54, 0.1);
    color: var(--color-danger);
}

.mobile-nav-footer {
    padding: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.mobile-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mobile-user-details {
    flex: 1;
    overflow: hidden;
}

.mobile-username {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 0.125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Основной макет ленты */
.feed-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    padding: 2rem 0;
}

.feed-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feed-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
    height: fit-content;
    max-height: calc(100vh - var(--header-height) - 4rem);
    overflow-y: auto;
}

/* Сайдбар карточки */
.sidebar-card {
    margin-bottom: 1.5rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.sidebar-card:last-child {
    margin-bottom: 0;
}

.sidebar-card .card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-card .card-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-card .card-body {
    padding: 1rem 1.25rem;
}

/* Тренды в сайдбаре */
.trending-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.trending-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.trending-item:last-child {
    border-bottom: none;
}

.trending-rank {
    width: 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-tertiary);
    margin-right: 0.75rem;
}

.trending-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

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

.trending-tag {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.trending-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* Сообщества в сайдбаре */
.communities-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.community-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.community-item:hover {
    background-color: var(--color-bg-secondary);
}

.community-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.community-info {
    flex: 1;
}

.community-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 0.125rem;
}

.community-members {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* Информационные ссылки */
.info-links {
    list-style: none;
    margin: 0 0 1rem 0;
    padding: 0;
}

.info-links li {
    margin-bottom: 0.5rem;
}

.info-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.copyright {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border-light);
}

/* Посты в ленте */
.posts-feed {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Форма создания поста */
.create-post-form {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.create-post-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.create-post-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.create-post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.create-post-input {
    flex: 1;
}

.create-post-textarea {
    width: 100%;
    min-height: 100px;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: inherit;
    line-height: var(--line-height-normal);
    resize: vertical;
    transition: border-color var(--transition-base);
}

.create-post-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.create-post-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.create-post-media {
    display: flex;
    gap: 0.75rem;
}

.media-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.create-post-submit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Профиль пользователя */
.profile-header {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 2rem;
}

.profile-cover {
    height: 200px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    position: relative;
}

.profile-info {
    padding: 1.5rem 2rem;
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: 2rem;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    border: 4px solid var(--color-surface);
    background-color: var(--color-surface);
    overflow: hidden;
    margin-top: -60px;
    position: relative;
    z-index: 1;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-details {
    flex: 1;
}

.profile-name {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5rem;
}

.profile-username {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.profile-bio {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.profile-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

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

.profile-stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.profile-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.profile-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.profile-nav {
    margin-bottom: 2rem;
}

/* Страница входа/регистрации */
.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-secondary);
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    font-size: 2.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-form {
    margin-bottom: 2rem;
}

.auth-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.auth-footer-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.auth-footer-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.auth-footer-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Подвал сайта */
.site-footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.footer-logo-text {
    font-size: 1.75rem;
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.footer-logo-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.footer-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer-legal {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.footer-legal a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
}

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

/* Админ панель */
.admin-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: calc(100vh - var(--header-height));
}

.admin-sidebar {
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 2rem 0;
}

.admin-nav {
    padding: 0 1.5rem;
}

.admin-nav-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    padding-left: 1rem;
}

.admin-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-nav-item {
    margin-bottom: 0.25rem;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.admin-nav-link:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.admin-nav-item.active .admin-nav-link {
    background-color: rgba(255, 46, 46, 0.1);
    color: var(--color-primary);
}

.admin-main {
    padding: 2rem;
    background-color: var(--color-bg);
}

.admin-header {
    margin-bottom: 2rem;
}

.admin-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.admin-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* Утилитарные классы для сеток */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* ===== СТИЛИ ДЛЯ ПОИСКА В ШАПКЕ ===== */

.header-search {
    flex: 1;
    max-width: 400px;
    margin: 0 2rem;
}

.header-search .search-input-wrapper {
    position: relative;
}

.header-search .search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.header-search .search-input:focus {
    outline: none;
    background-color: var(--color-surface);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 46, 46, 0.1);
}

.header-search .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    font-size: 1rem;
    pointer-events: none;
}

.header-search .search-button {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--transition-fast);
}

.header-search .search-button:hover {
    color: var(--color-primary);
}

/* Адаптивность для поиска в шапке */
@media (max-width: 768px) {
    .header-search {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        display: none;
        margin: 0;
        max-width: none;
    }
    
    .header-search.show {
        display: block;
    }
    
    .header-search .search-input {
        border-radius: var(--radius-md);
    }
    
    .search-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 2.5rem;
        height: 2.5rem;
        background: none;
        border: none;
        color: var(--color-text-secondary);
        font-size: 1.25rem;
        cursor: pointer;
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
    }
    
    .search-toggle-btn:hover {
        background-color: var(--color-bg-secondary);
        color: var(--color-text-primary);
    }
}