/*
 * Layout styles for BigHug Theme
 * Grid system, containers, and layout components
 */

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-md));
}

.col {
    padding: 0 var(--spacing-md);
    flex: 1;
}

/* Grid columns */
.col-1 { flex: 0 0 8.333333%; }
.col-2 { flex: 0 0 16.666667%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333333%; }
.col-5 { flex: 0 0 41.666667%; }
.col-6 { flex: 0 0 50%; }
.col-7 { flex: 0 0 58.333333%; }
.col-8 { flex: 0 0 66.666667%; }
.col-9 { flex: 0 0 75%; }
.col-10 { flex: 0 0 83.333333%; }
.col-11 { flex: 0 0 91.666667%; }
.col-12 { flex: 0 0 100%; }

/* Responsive grid */
@media (max-width: 768px) {
    .col-sm-1 { flex: 0 0 8.333333%; }
    .col-sm-2 { flex: 0 0 16.666667%; }
    .col-sm-3 { flex: 0 0 25%; }
    .col-sm-4 { flex: 0 0 33.333333%; }
    .col-sm-5 { flex: 0 0 41.666667%; }
    .col-sm-6 { flex: 0 0 50%; }
    .col-sm-7 { flex: 0 0 58.333333%; }
    .col-sm-8 { flex: 0 0 66.666667%; }
    .col-sm-9 { flex: 0 0 75%; }
    .col-sm-10 { flex: 0 0 83.333333%; }
    .col-sm-11 { flex: 0 0 91.666667%; }
    .col-sm-12 { flex: 0 0 100%; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .col-md-1 { flex: 0 0 8.333333%; }
    .col-md-2 { flex: 0 0 16.666667%; }
    .col-md-3 { flex: 0 0 25%; }
    .col-md-4 { flex: 0 0 33.333333%; }
    .col-md-5 { flex: 0 0 41.666667%; }
    .col-md-6 { flex: 0 0 50%; }
    .col-md-7 { flex: 0 0 58.333333%; }
    .col-md-8 { flex: 0 0 66.666667%; }
    .col-md-9 { flex: 0 0 75%; }
    .col-md-10 { flex: 0 0 83.333333%; }
    .col-md-11 { flex: 0 0 91.666667%; }
    .col-md-12 { flex: 0 0 100%; }
}

/* Site Layout */
.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-main {
    flex: 1;
    padding: 0;
}

.site-footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-2xl) 0;
    margin-top: auto;
}

/* Header Layout */
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.site-branding {
    display: flex;
    align-items: center;
}

.site-logo {
    max-height: 50px;
    margin-right: var(--spacing-md);
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

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

.site-title a:hover,
.site-title a:focus {
    color: var(--color-primary);
    text-decoration: none;
}

.site-title a:focus {
    outline: none;
}

.site-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

/* Custom logo styles */
.custom-logo-link {
    display: inline-block;
    outline: none;
}

.custom-logo-link:focus {
    outline: none;
}

.custom-logo {
    width: 45%;
    transition: opacity var(--transition-fast);
}

.custom-logo-link:hover .custom-logo {
    opacity: 0.8;
}

/* Navigation Layout */
.main-navigation {
    display: flex;
    align-items: center;
    position: relative;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--spacing-sm);
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    z-index: 1001;
    position: relative;
    transition: transform var(--transition-fast);
}

.menu-toggle:focus {
    outline: none;
}

.menu-toggle:hover {
    opacity: 0.8;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: currentColor;
    transition: all 0.3s ease-in-out;
    transform-origin: center center;
    border-radius: 1px;
    display: block;
}

/* ×アニメーション */
.menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

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

.menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    z-index: 999;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.primary-menu-container {
    display: flex;
}

.primary-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.primary-menu li {
    margin: 0 var(--spacing-sm);
    position: relative;
}

.primary-menu a {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.primary-menu .menu-item-has-children .menu-arrow,
.primary-menu .has-children .menu-arrow {
    margin-left: var(--spacing-xs);
    font-size: 0.9em;
    transition: transform var(--transition-fast);
    display: none; /* PCでは非表示 */
}

.primary-menu .menu-item-has-children[aria-expanded="true"] .menu-arrow,
.primary-menu .has-children[aria-expanded="true"] .menu-arrow {
    transform: rotate(180deg);
}

/* Submenu styles */
.primary-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
    list-style: none;
    padding-left: 0;
}

.primary-menu .sub-menu.active,
.primary-menu li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.primary-menu .sub-menu li {
    margin: 0;
    border-bottom: 1px solid var(--color-border-light);
}

.primary-menu .sub-menu li:last-child {
    border-bottom: none;
}

.primary-menu .sub-menu a {
    padding: var(--spacing-md);
    border-radius: 0;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .primary-menu-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--color-background);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
        z-index: 1000;
        overflow-y: auto;
    }
    
    .primary-menu-container.active {
        right: 0;
    }
    
    .primary-menu {
        flex-direction: column;
        padding: 5rem var(--spacing-lg) var(--spacing-lg);
    }
    
    .primary-menu li {
        margin: 0;
        border-bottom: 1px solid var(--color-border-light);
    }
    
    .primary-menu li:last-child {
        border-bottom: none;
    }
    
    .primary-menu a {
        padding: var(--spacing-md) 0;
        justify-content: space-between;
    }
    
    .primary-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background-color: var(--color-background-alt);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal), padding var(--transition-normal);
    }
    
    .primary-menu .sub-menu.active {
        max-height: 500px;
        padding: var(--spacing-sm) 0;
    }
    
    .primary-menu .sub-menu li {
        border-bottom: none;
    }
    
    .primary-menu .sub-menu a {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    /* モバイルでの親メニュー矢印スタイル */
    .primary-menu .menu-item-has-children .menu-arrow,
    .primary-menu .has-children .menu-arrow {
        display: inline-block;
        margin-left: auto;
        font-size: 1.2em;
        font-weight: bold;
        line-height: 1;
        transform: none;
        transition: all var(--transition-fast);
    }
    
    /* 閉じている状態：+ */
    .primary-menu .menu-item-has-children[aria-expanded="false"] .menu-arrow,
    .primary-menu .menu-item-has-children:not([aria-expanded]) .menu-arrow,
    .primary-menu .has-children[aria-expanded="false"] .menu-arrow,
    .primary-menu .has-children:not([aria-expanded]) .menu-arrow {
        
    }
    
    /* 開いている状態：- */
    .primary-menu .menu-item-has-children[aria-expanded="true"] .menu-arrow,
    .primary-menu .has-children[aria-expanded="true"] .menu-arrow {
        
    }
    
    body.menu-open {
        overflow: hidden;
    }
}

/* Content Layout */
.content-area {
    display: flex;
    gap: var(--spacing-2xl);
}

.site-content {
    flex: 1;
}

.sidebar {
    flex: 0 0 300px;
}

/* Single column layout for pages without sidebar */
.no-sidebar .content-area {
    display: block;
}

.no-sidebar .sidebar {
    display: none;
}

@media (max-width: 768px) {
    .content-area {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .sidebar {
        flex: none;
    }
}

/* Post/Page Layout */
.post {
    margin-bottom: 1rem;
}

.page {
    margin-bottom: var(--spacing-3xl);
}


.entry-header {
    margin-bottom: var(--spacing-lg);
}

.entry-title {
    margin-bottom: var(--spacing-sm);
}

.entry-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.entry-meta a {
    color: inherit;
}

.entry-content {
    margin-bottom: var(--spacing-lg);
}

.entry-footer {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Featured Image */
.post-thumbnail {
    margin-bottom: var(--spacing-lg);
}

.post-thumbnail img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* Archive Layout */
.archive-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.archive-title {
    margin-bottom: var(--spacing-sm);
}

.archive-description {
    color: var(--color-text-light);
}


















/* Post Grid for Archives */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.posts-grid a {
    text-decoration: none;
}


/* Post Card Link Wrapper */
.post-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.post-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    height: -webkit-fill-available;
    display: flex;
    flex-direction: column;
}

.post-card-link:hover .post-card {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.post-card-link:hover .post-card-title {
    color: var(--color-primary);
}

.post-card-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    flex-shrink: 0;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.post-card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-ttl {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}




.post-card-excerpt {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.post-card-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: auto;
}
.post-card-category {
    margin-top: 1rem;
}
.post-card-category span.cat-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3em;
}

.post-card-category span.cat-item {
    display: inline-block;
    background: #e73828;
    color: #fff;
    padding: 0.2em 0.6em;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
}









/*=================================================
　Pagination
=================================================*/
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 3em auto;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.pagination a:hover {
    background: #e73828;
    border-color: #e73828;
    color: white;
}

.pagination .current {
    background: #f8c053;
    border-color: #f8c053;
    color: white;
}

















/* Footer Layout */
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header-container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .site-main {
        padding: var(--spacing-xl) 0;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}