/* ==========================================================================
   Components - 组件样式
   ========================================================================== */

/* ==========================================================================
   Header Styles
   ========================================================================== */

.site-header {
    background: var(--yali-card);
    box-shadow: var(--yali-shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    gap: 2rem;
}

.site-branding .custom-logo-link img {
    height: 60px;
    width: auto;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--yali-secondary);
    text-decoration: none;
}

.site-title:hover {
    color: var(--yali-primary);
}

/* Main Navigation */
.main-navigation .nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.main-navigation .nav-menu a {
    color: var(--yali-text-muted);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.main-navigation .nav-menu a:hover,
.main-navigation .nav-menu .current-menu-item>a {
    color: var(--yali-primary);
}

.main-navigation .nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--yali-primary);
    transition: width 0.3s ease;
}

.main-navigation .nav-menu a:hover::after,
.main-navigation .nav-menu .current-menu-item>a::after {
    width: 100%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* User Dropdown */

/* User Dropdown */
.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    padding: 0.5rem;
    border-radius: var(--yali-radius);
    cursor: pointer;
    transition: var(--yali-transition);
}

.user-dropdown-toggle:hover {
    background: var(--yali-bg-alt);
}

.user-dropdown-toggle img {
    width: 32px;
    height: 32px;
    border-radius: var(--yali-radius-full);
}

.user-name {
    font-weight: 500;
    color: var(--yali-text);
}

.dropdown-arrow {
    color: var(--yali-text-muted);
    transition: transform 0.2s ease;
}

.user-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 180px;
    background: var(--yali-card);
    border-radius: var(--yali-radius);
    box-shadow: var(--yali-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 100;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--yali-text);
    text-decoration: none;
    transition: var(--yali-transition);
}

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

.dropdown-icon {
    font-size: 1rem;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--yali-text);
    border-radius: 1px;
    transition: var(--yali-transition);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--yali-card);
    z-index: 999;
    overflow-y: auto;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu-inner {
    padding: 1.5rem;
}

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

.mobile-nav-menu li {
    border-bottom: 1px solid var(--yali-border);
}

.mobile-nav-menu a {
    display: block;
    padding: 1rem 0;
    color: var(--yali-text);
    font-size: 1.125rem;
    font-weight: 500;
}

.mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

/* ==========================================================================
   Footer Styles
   ========================================================================== */

.site-footer {
    background: var(--yali-secondary);
    color: #fff;
    padding-top: 4rem;
}

.footer-top {
    padding-bottom: 3rem;
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--yali-radius-full);
    color: #fff;
    transition: var(--yali-transition);
}

.social-link:hover {
    background: var(--yali-primary);
    color: #fff;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.25rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--yali-transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    text-decoration: none;
}

.footer-menu a:hover {
    color: #fff;
}

/* ==========================================================================
   Blog Layout
   ========================================================================== */

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.post-card {
    display: flex;
    flex-direction: column;
}

.post-thumbnail {
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-thumbnail img {
    transform: scale(1.05);
}

.post-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(var(--yali-primary-rgb), 0.1);
    color: var(--yali-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--yali-radius-full);
    margin-bottom: 0.75rem;
}

.post-title {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.post-title a {
    color: var(--yali-text);
    text-decoration: none;
}

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

.post-excerpt {
    color: var(--yali-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    flex-grow: 1;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    margin-top: auto;
    border-top: 1px solid var(--yali-border);
    color: var(--yali-text-light);
    font-size: 0.8rem;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.post-meta svg {
    opacity: 0.6;
}

/* Sidebar */
.blog-sidebar {
    position: sticky;
    top: 80px;
}

.widget {
    background: var(--yali-card);
    border-radius: var(--yali-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--yali-shadow-sm);
}

.widget-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--yali-secondary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--yali-primary);
}

/* Pagination */
.pagination-nav {
    margin-top: 3rem;
}

.pagination-nav .nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.pagination-nav .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 1rem;
    background: var(--yali-card);
    border: 1px solid var(--yali-border);
    border-radius: var(--yali-radius);
    color: var(--yali-text);
    font-weight: 500;
    text-decoration: none;
    transition: var(--yali-transition);
}

.pagination-nav .page-numbers:hover,
.pagination-nav .page-numbers.current {
    background: var(--yali-primary);
    border-color: var(--yali-primary);
    color: #fff;
}

/* No Content */
.no-content {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--yali-card);
    border-radius: var(--yali-radius-lg);
}

.no-content-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.no-content h2 {
    color: var(--yali-text-muted);
    margin-bottom: 0.5rem;
}

.no-content p {
    color: var(--yali-text-light);
}

/* ==========================================================================
   Responsive - Mobile
   ========================================================================== */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: none;
    }
}

@media (max-width: 768px) {

    .main-navigation,
    .header-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .blog-layout {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        position: static;
    }

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

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

    .footer-bottom-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}