/*
Theme Name: Missav Doujin Theme
Theme URI: https://missav-doujin.com
Author: Missav Team
Author URI: https://missav-doujin.com
Description: 海賊版風のダークデザインを採用したテーマ。シンプルで実用的、読者目線のUI/UX。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: missav-doujin
*/

/* ========================================
   CSS Variables
======================================== */
:root {
    /* Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --bg-card: #242424;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    --accent-red: #ff3b3b;
    --accent-orange: #ff6b35;
    --border-color: #3a3a3a;
    --hover-bg: #2f2f2f;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition: 0.2s ease;
}

/* ========================================
   Reset & Base
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--accent-orange);
}

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

/* ========================================
   Loading
======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Header
======================================== */
.site-header {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.site-title a {
    color: var(--text-primary);
}

.site-description {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* ========================================
   Container
======================================== */
.site-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-sm);
}

/* ========================================
   Post Grid
======================================== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Post Card
======================================== */
.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.post-card:hover {
    border-color: var(--accent-red);
    transform: translateY(-2px);
}

.post-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    background: var(--bg-secondary);
}

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

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

.post-card-content {
    padding: var(--spacing-sm);
}

.post-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.post-card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.post-card-link {
    display: block;
    width: 100%;
    padding: 0.6rem;
    background: var(--accent-red);
    color: white;
    text-align: center;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.post-card-link:hover {
    background: var(--accent-orange);
    color: white;
}

/* ========================================
   Pagination
======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-weight: 600;
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--hover-bg);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.pagination .current {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
}

/* ========================================
   Single Post
======================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

.single-post {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.single-post-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.single-post-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.3;
}

.single-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.single-post-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Genre Tags */
.genre-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.genre-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.genre-tag:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* 海賊版風の「続きを読む」ボタン */
.read-button-container {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--accent-red);
    border-radius: var(--radius-md);
    text-align: center;
}

.read-button-container p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.single-post-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.single-post-content p {
    margin-bottom: var(--spacing-md);
}

/* 本文内の画像を横幅いっぱいに表示 */
.single-post-content img {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    display: block;
    margin: 0 !important;
    padding: 0 !important;
    border-radius: 0;
}

/* 赤い背景のコンテナを調整 */
.single-post-content > p {
    padding: 0 !important;
    margin: 0 !important;
}

.single-post-content > p > img {
    margin: 0 !important;
    padding: 0 !important;
}

/* 画像を含む段落の上下余白を削除 */
.single-post-content p:has(img) {
    margin: 0 !important;
    padding: 0 !important;
    line-height: 0 !important;
}

.single-post-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--text-primary);
}

.single-post-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--text-primary);
}

/* 作品リンクを「続きを読む」ボタン風に */
.single-post-content a {
    display: block;
    width: 100%;
    padding: 1.2rem 2rem;
    margin: var(--spacing-lg) 0;
    background: linear-gradient(135deg, var(--accent-red), var(--accent-orange));
    color: white !important;
    text-align: center;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 59, 59, 0.4);
    position: relative;
    overflow: hidden;
}

/* 画像を含むリンクは左右paddingをゼロに */
.single-post-content a:has(img) {
    padding: 0 !important;
    background: transparent;
    box-shadow: none;
    margin: 0 !important;
    display: block;
    line-height: 0 !important;
    height: auto !important;
}

.single-post-content a:has(img):hover {
    transform: none;
    box-shadow: none;
}

.single-post-content a::before {
    content: '';
}

.single-post-content a::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.single-post-content a:hover::after {
    width: 300px;
    height: 300px;
}

.single-post-content a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 59, 59, 0.6);
}

/* ========================================
   Related Posts
======================================== */
.related-posts {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.related-posts-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* ========================================
   Footer
======================================== */
.site-footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-sm);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.site-footer p {
    margin-bottom: var(--spacing-xs);
}

/* ========================================
   Scroll to Top
======================================== */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: var(--accent-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--accent-orange);
    transform: translateY(-4px);
}

.scroll-to-top svg {
    color: white;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
    .site-header {
        padding: var(--spacing-sm);
    }
    
    .site-title {
        font-size: 1.3rem;
    }
    
    .site-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .post-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .single-post {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }
    
    .single-post-title {
        font-size: 1.3rem;
    }
    
    .single-post-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
        font-size: 0.85rem;
    }
    
    /* ジャンルタグをコンパクトに */
    .genre-tags-container {
        gap: 0.3rem;
        margin-bottom: var(--spacing-sm);
        padding: 0.5rem 0;
    }
    
    .genre-tag {
        padding: 0.25rem 0.6rem;
        font-size: 0.75rem;
    }
    
    /* 作品リンクを強調 */
    .single-post-content a {
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
    }
    
    .related-posts {
        padding: var(--spacing-md);
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
    
    .breadcrumb {
        padding: var(--spacing-xs);
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .site-container {
        padding: var(--spacing-sm);
    }
    
    .single-post {
        padding: var(--spacing-sm);
    }
    
    .single-post-title {
        font-size: 1.2rem;
    }
    
    /* ジャンルタグをさらに小さく */
    .genre-tags-container {
        gap: 0.25rem;
        padding: 0.3rem 0;
    }
    
    .genre-tag {
        padding: 0.2rem 0.5rem;
        font-size: 0.7rem;
    }
    
    /* 作品リンクをさらに目立たせる */
    .single-post-content a {
        padding: 1.2rem;
        font-size: 1.15rem;
        box-shadow: 0 6px 20px rgba(255, 59, 59, 0.5);
    }
    
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
    
    .breadcrumb {
        font-size: 0.75rem;
    }
}

/* ========================================
   Accessibility
======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   Print
======================================== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .site-header,
    .site-footer,
    .scroll-to-top,
    .loading-overlay {
        display: none !important;
    }
    
    .single-post,
    .post-card {
        background: white;
        border: 1px solid #ddd;
        box-shadow: none;
    }
}