/*
Theme Name: Cyberpunk Neon
Theme URI: https://hitomi-comic-full.site
Author: AI Architect
Version: 1.0
*/
:root {
    --bg-color: #050505;
    --card-bg: #111;
    --neon-main: #0ff;
    --neon-sub: #f0f;
    --text-main: #eee;
}
body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}
.cyber-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
header {
    border-bottom: 2px solid var(--neon-main);
    padding: 30px 0;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 3px;
    box-shadow: 0 0 15px var(--neon-main);
    margin-bottom: 40px;
}
h1 a {
    color: #fff;
    text-decoration: none;
    text-shadow: 2px 2px 0px var(--neon-sub);
    font-size: 2.5rem;
}
.grid-system {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}
article {
    background: var(--card-bg);
    border: 1px solid #333;
    position: relative;
    transition: 0.3s;
    overflow: hidden;
}
article:hover {
    border-color: var(--neon-sub);
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.4);
}
.thumb-box {
    width: 100%;
    height: 300px;
    object-fit: cover;
    filter: grayscale(80%);
    transition: 0.5s;
}
article:hover .thumb-box {
    filter: grayscale(0%);
}
.entry-info {
    padding: 15px;
}
h2 {
    font-size: 1.1rem;
    margin: 0 0 10px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
h2 a {
    color: var(--neon-main);
    text-decoration: none;
}
.btn-cyber {
    display: block;
    background: transparent;
    border: 1px solid var(--neon-main);
    color: var(--neon-main);
    text-align: center;
    padding: 10px;
    margin-top: 10px;
    text-decoration: none;
    transition: 0.3s;
}
.btn-cyber:hover {
    background: var(--neon-main);
    color: #000;
}
footer {
    text-align: center;
    padding: 50px 0;
    color: #555;
    border-top: 1px solid #333;
    margin-top: 50px;
}

/* --- OPTIMIZATION STYLES --- */
.container-wrapper { max-width: 1000px; margin: 0 auto; padding: 20px; }
.grid-layout { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.thumb-area img { width: 100%; height: auto; display: block; }
.btn-main { display: inline-block; padding: 10px 20px; background: #333; color: #fff; text-decoration: none; margin-top: 10px; }
/* 各テーマの独自クラスへのマッピングはCSSのカスケードで処理されるため、
   基本レイアウトのみここで保証する */