/**
 * NARITA TIME - Series CSS(Phase 6-A v1.5.0)
 *
 * 連載シリーズの:
 *  - ナビゲータ(Story 末尾)
 *  - バッジ(Story カード)
 *  - アーカイブページ(/series/{slug}/)
 *
 * @package naritatime
 */

/* ============================================================
   連載ナビゲータ(Story 末尾)
   ============================================================ */

.ntm-series-nav {
    margin-top: var(--ntm-space-10);
    padding: var(--ntm-space-7);
    background: var(--ntm-paper);
    border-left: 3px solid var(--ntm-terracotta);
}

.ntm-series-nav-header {
    margin-bottom: var(--ntm-space-5);
}
.ntm-series-nav-label {
    display: inline-block;
    font-family: var(--ntm-font-en-italic);
    font-style: italic;
    font-size: var(--ntm-text-xs);
    color: var(--ntm-terracotta);
    letter-spacing: var(--ntm-tracking-widest);
    text-transform: uppercase;
    margin-bottom: var(--ntm-space-2);
}
.ntm-series-nav-title {
    font-family: var(--ntm-font-serif);
    font-size: var(--ntm-text-h4);
    font-weight: 700;
    color: var(--ntm-indigo);
    margin: 0 0 var(--ntm-space-2);
    line-height: 1.3;
}
.ntm-series-nav-title a {
    color: var(--ntm-indigo);
    text-decoration: none;
}
.ntm-series-nav-title a:hover { color: var(--ntm-terracotta); }

.ntm-series-nav-position {
    font-family: var(--ntm-font-sans);
    font-size: var(--ntm-text-sm);
    color: var(--ntm-slate);
    margin: 0;
}
.ntm-series-nav-position strong {
    font-family: var(--ntm-font-en);
    color: var(--ntm-terracotta);
    font-weight: 700;
}

.ntm-series-nav-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--ntm-space-3);
    margin-bottom: var(--ntm-space-5);
}
.ntm-series-nav-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--ntm-space-4);
    background: var(--ntm-snow);
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--ntm-hairline);
    transition: all var(--ntm-transition-fast);
    min-height: 80px;
}
.ntm-series-nav-item:hover {
    border-color: var(--ntm-terracotta);
    background: #fff8f3;
}
.ntm-series-nav-item.is-disabled {
    background: transparent;
    border: 1px dashed var(--ntm-hairline);
    pointer-events: none;
}
.ntm-series-nav-item--next { text-align: right; }
.ntm-series-nav-arrow {
    font-family: var(--ntm-font-en-italic);
    font-style: italic;
    font-size: var(--ntm-text-xs);
    color: var(--ntm-terracotta);
    letter-spacing: var(--ntm-tracking-widest);
    text-transform: uppercase;
}
.ntm-series-nav-ep {
    font-family: var(--ntm-font-en);
    font-size: var(--ntm-text-xs);
    color: var(--ntm-slate);
    font-weight: 700;
}
.ntm-series-nav-link-title {
    font-family: var(--ntm-font-serif);
    font-size: var(--ntm-text-sm);
    font-weight: 700;
    color: var(--ntm-indigo);
    line-height: 1.4;
}

.ntm-series-nav-toc {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--ntm-font-sans);
    font-size: var(--ntm-text-sm);
    color: var(--ntm-slate);
    text-decoration: none;
    letter-spacing: var(--ntm-tracking-wide);
    transition: color var(--ntm-transition-fast);
}
.ntm-series-nav-toc:hover { color: var(--ntm-terracotta); }
.ntm-series-nav-toc span {
    transition: transform var(--ntm-transition-fast);
}
.ntm-series-nav-toc:hover span { transform: translateX(4px); }

@media (max-width: 600px) {
    .ntm-series-nav-grid { grid-template-columns: 1fr; }
    .ntm-series-nav-item--next { text-align: left; }
    .ntm-series-nav { padding: var(--ntm-space-5); }
}

/* ============================================================
   連載バッジ(Story カード)
   ============================================================ */

.ntm-series-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: var(--ntm-space-2);
    padding: 3px 8px;
    background: var(--ntm-paper);
    border-left: 2px solid var(--ntm-terracotta);
    font-family: var(--ntm-font-sans);
    font-size: 11px;
    color: var(--ntm-indigo);
    text-decoration: none;
    transition: all var(--ntm-transition-fast);
    line-height: 1.4;
}
.ntm-series-badge:hover {
    background: #fff4e6;
    color: var(--ntm-terracotta);
}
.ntm-series-badge-icon { font-size: 10px; }
.ntm-series-badge-name {
    font-weight: 500;
    letter-spacing: var(--ntm-tracking-wide);
}
.ntm-series-badge-ep {
    font-family: var(--ntm-font-en);
    font-weight: 700;
    color: var(--ntm-terracotta);
    padding-left: 4px;
    border-left: 1px solid var(--ntm-hairline);
    margin-left: 4px;
}

/* ============================================================
   連載アーカイブページ
   ============================================================ */

.ntm-series-archive { background: var(--ntm-snow); padding-bottom: var(--ntm-space-12); }

.ntm-series-archive-header {
    background: var(--ntm-indigo);
    color: var(--ntm-snow);
    padding: var(--ntm-space-12) 0 var(--ntm-space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.ntm-series-archive-header::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        radial-gradient(circle at 15% 25%, rgba(194,83,58,0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 75%, rgba(214,185,143,0.08) 0%, transparent 40%);
    pointer-events: none;
}
.ntm-series-archive-header-inner {
    position: relative;
    max-width: var(--ntm-content-narrow);
    margin: 0 auto;
    padding: 0 var(--ntm-padding-pc);
}
.ntm-series-archive-label {
    display: inline-block;
    font-family: var(--ntm-font-en-italic);
    font-style: italic;
    font-size: var(--ntm-text-sm);
    color: var(--ntm-terracotta-light);
    letter-spacing: var(--ntm-tracking-widest);
    text-transform: uppercase;
    margin-bottom: var(--ntm-space-3);
}
/* 親クラス前置で specificity を上げる(他の dark heading 修正と同じパターン) */
.ntm-series-archive-header .ntm-series-archive-title {
    font-family: var(--ntm-font-serif);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--ntm-snow);
    line-height: var(--ntm-leading-tight);
    letter-spacing: var(--ntm-tracking-tight);
    margin: 0 0 var(--ntm-space-3);
}
.ntm-series-archive-rule {
    width: 60px; height: 2px;
    background: var(--ntm-terracotta);
    border: none;
    margin: 0 auto var(--ntm-space-5);
}
.ntm-series-archive-header .ntm-series-archive-intro {
    font-family: var(--ntm-font-serif);
    font-size: var(--ntm-text-base);
    line-height: var(--ntm-leading-relaxed);
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto var(--ntm-space-4);
}
.ntm-series-archive-header .ntm-series-archive-meta {
    font-family: var(--ntm-font-en);
    font-size: var(--ntm-text-sm);
    color: var(--ntm-terracotta-light);
    margin: 0;
    letter-spacing: var(--ntm-tracking-wider);
}

/* エピソード一覧 */
.ntm-series-episodes {
    padding: var(--ntm-space-10) 0;
}
.ntm-series-episode-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-width: 800px;
    margin: 0 auto;
}
.ntm-series-episode {
    border-bottom: 1px solid var(--ntm-hairline);
    margin: 0;
}
.ntm-series-episode:first-child { border-top: 1px solid var(--ntm-hairline); }
.ntm-series-episode-link {
    display: grid;
    grid-template-columns: 80px 140px 1fr;
    gap: var(--ntm-space-5);
    align-items: center;
    padding: var(--ntm-space-5) 0;
    text-decoration: none;
    color: inherit;
    transition: background var(--ntm-transition-fast);
}
.ntm-series-episode-link:hover {
    background: var(--ntm-paper);
}
.ntm-series-episode-num {
    font-family: var(--ntm-font-en-italic);
    font-style: italic;
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--ntm-terracotta);
    line-height: 1;
    text-align: center;
}
.ntm-series-episode-thumb {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--ntm-paper-deep);
}
.ntm-series-episode-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ntm-ease-out);
}
.ntm-series-episode-link:hover .ntm-series-episode-thumb img {
    transform: scale(1.05);
}
.ntm-series-episode-body {}
.ntm-series-episode-meta {
    display: flex;
    align-items: center;
    gap: var(--ntm-space-3);
    margin-bottom: var(--ntm-space-2);
    font-family: var(--ntm-font-sans);
    font-size: var(--ntm-text-xs);
    color: var(--ntm-slate);
    letter-spacing: var(--ntm-tracking-wider);
}
.ntm-series-episode-area {
    color: var(--ntm-terracotta);
    font-weight: 500;
}
.ntm-series-episode-date {
    font-family: var(--ntm-font-en);
}
.ntm-series-episode-link .ntm-series-episode-title {
    font-family: var(--ntm-font-serif);
    font-size: var(--ntm-text-h4);
    font-weight: 700;
    color: var(--ntm-indigo);
    line-height: 1.3;
    margin: 0 0 var(--ntm-space-2);
    transition: color var(--ntm-transition-fast);
}
.ntm-series-episode-link:hover .ntm-series-episode-title { color: var(--ntm-terracotta); }
.ntm-series-episode-excerpt {
    font-family: var(--ntm-font-sans);
    font-size: var(--ntm-text-sm);
    line-height: var(--ntm-leading-relaxed);
    color: var(--ntm-ink);
    margin: 0;
}

@media (max-width: 768px) {
    .ntm-series-episode-link {
        grid-template-columns: 60px 1fr;
        gap: var(--ntm-space-3);
    }
    .ntm-series-episode-thumb {
        display: none;
    }
    .ntm-series-episode-num {
        font-size: 2rem;
    }
}