/* ── リセット & ベース ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-border: #e0ddd8;
  --color-text: #2c2c2c;
  --color-text-muted: #7a7672;
  --color-primary: #4a7c59;
  --color-primary-hover: #3a6147;
  --color-accent: #c0392b;
  --color-badge-ongoing: #2e7d9e;
  --color-badge-complete: #5a7a3a;
  --font-base: "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --font-reading: "Hiragino Mincho ProN", "Yu Mincho", "Georgia", serif;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

html { font-size: 16px; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── ヘッダー ──────────────────────────────────────────────── */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.6rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.admin-link {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
}
.admin-link:hover { color: var(--color-primary); }

.site-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}
.header-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.font-size-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
#font-size-slider {
  width: 100px;
  cursor: pointer;
  accent-color: var(--color-primary);
}
#font-size-value {
  min-width: 2.8rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ── メインコンテナ ────────────────────────────────────────── */
.site-main { padding: 1.5rem 1rem; }
.container { max-width: 900px; margin: 0 auto; }

/* ── パンくず ──────────────────────────────────────────────── */
.breadcrumb { margin-bottom: 1rem; font-size: 0.85rem; }

/* ── 検索フォーム ──────────────────────────────────────────── */
.search-section { margin-bottom: 2rem; }
.search-form { display: flex; flex-direction: column; gap: 0.75rem; }

.search-main-row, .ncode-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.input-main {
  flex: 1;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--color-surface);
}
.input-ncode {
  flex: 1;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  background: var(--color-surface);
}
.input-sm {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background: var(--color-surface);
  width: 100%;
}
.select-sm {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background: var(--color-surface);
  width: 100%;
}

.filter-details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.8rem;
}
.filter-details summary { cursor: pointer; font-size: 0.85rem; color: var(--color-text-muted); }
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}
.filter-grid label { display: flex; flex-direction: column; gap: 0.3rem; }

/* ── ボタン ────────────────────────────────────────────────── */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  display: inline-block;
}
.btn-secondary:hover { background: #eef5f0; text-decoration: none; }

.btn-bookmark {
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn-bookmark:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-bookmarked { color: #c08000; border-color: #c08000; }

.btn-continue {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  display: inline-block;
  text-decoration: none;
}
.btn-continue:hover { background: var(--color-primary-hover); text-decoration: none; }

.btn-mode {
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.btn-mode:hover { border-color: var(--color-primary); }

.btn-shiori {
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.btn-shiori:hover { border-color: var(--color-primary); }
.btn-shiori-saved { color: var(--color-primary); border-color: var(--color-primary); }
.btn-shiori-error { color: var(--color-accent); }

/* ── エラー ────────────────────────────────────────────────── */
.alert-error {
  background: #fdecea;
  border: 1px solid #f5c6c0;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* ── 検索結果 ──────────────────────────────────────────────── */
.result-header { margin-bottom: 0.75rem; }
.result-count { font-size: 0.85rem; color: var(--color-text-muted); }

.novel-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.novel-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
}
.novel-card-header {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.35rem;
}
.novel-title-link { font-size: 1.05rem; font-weight: 600; }
.novel-meta-badges { display: flex; gap: 0.3rem; flex-shrink: 0; }
.badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  color: #fff;
  white-space: nowrap;
}
.badge-complete { background: var(--color-badge-complete); }
.badge-ongoing { background: var(--color-badge-ongoing); }

.novel-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}
.synopsis-details { margin-top: 0.4rem; }
.synopsis-details summary { font-size: 0.8rem; color: var(--color-text-muted); cursor: pointer; }
.synopsis-text { font-size: 0.85rem; margin-top: 0.4rem; color: var(--color-text); white-space: pre-wrap; }

/* ── ページネーション ───────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}
.page-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
}
.page-btn:hover { background: #eef5f0; text-decoration: none; }
.page-info { font-size: 0.9rem; color: var(--color-text-muted); }
.page-btn-disabled {
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
  color: var(--color-border);
}

/* ── ホームパネル ──────────────────────────────────────────── */
.home-panels { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.panel-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--color-text-muted); }
.panel-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.panel-list li { display: flex; align-items: baseline; gap: 0.5rem; font-size: 0.9rem; }
.panel-meta { font-size: 0.78rem; color: var(--color-text-muted); white-space: nowrap; }

/* ── ブックマーク一覧（TOP） ───────────────────────────────── */
.panel-bookmarks { grid-column: 1 / -1; } /* 横幅フル */
.bm-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.bm-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow);
}
.bm-header { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 0.4rem; flex-wrap: wrap; }
.bm-title { font-size: 1rem; font-weight: 600; }
.bm-continue {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 0.4rem 0.9rem;
  font-size: 0.88rem;
  text-decoration: none;
}
.bm-continue:hover { background: var(--color-primary-hover); text-decoration: none; }
.bm-pct {
  background: rgba(255,255,255,0.25);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  font-size: 0.78rem;
  margin-left: 0.4rem;
}
.bm-start { font-size: 0.85rem; color: var(--color-text-muted); }

/* ── 作品ヘッダー（目次） ──────────────────────────────────── */
.work-header {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.work-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.25rem; }
.work-author { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.work-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }

/* ── 目次リスト ────────────────────────────────────────────── */
.chapter-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin: 1.5rem 0 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--color-border);
}
.episode-list { list-style: none; }
.episode-item {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.4rem 0.2rem;
  border-bottom: 1px solid #f0ede8;
}
.episode-item:last-child { border-bottom: none; }
.episode-link { font-size: 0.95rem; flex: 1; }
.episode-date { font-size: 0.78rem; color: var(--color-text-muted); white-space: nowrap; }

/* ── 本文ビューワー ────────────────────────────────────────── */
.viewer-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.viewer-nav-center { flex: 1; }
.ep-info { font-size: 0.85rem; color: var(--color-text-muted); }
.viewer-controls { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.episode-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 1rem 0;
}
.current-ep { font-size: 0.85rem; color: var(--color-text-muted); }

.novel-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  font-family: var(--font-reading);
  line-height: 2.0;
  margin: 1rem 0;
}

/* 横書き */
.novel-content.horizontal {
  writing-mode: horizontal-tb;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* 縦書き */
.novel-content.vertical {
  writing-mode: vertical-rl;
  height: 75vh;
  max-height: 75vh;
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
}

.novel-mae-gaki, .novel-ato-gaki {
  color: var(--color-text-muted);
  font-size: 0.92em;
}
.novel-separator {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 1.2rem 0;
}
.novel-honbun p { margin-bottom: 0.5em; }

/* ── なろう本文内タグ調整 ──────────────────────────────────── */
#novel_honbun br { display: block; content: ""; }
ruby rt { font-size: 0.5em; }

/* ── レスポンシブ ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .header-inner { padding: 0.5rem 0.8rem; }
  .novel-content.horizontal { padding: 1.2rem; }
  .novel-content.vertical { height: 70vh; }
  .filter-grid { grid-template-columns: 1fr 1fr; }
}