:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e0e0e0;
  --accent: #8b0000;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #e8e8e8;
    --muted: #9a9a9a;
    --line: #2e2e2e;
    --accent: #ff4d4d;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.7;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1rem;
}

.site-title {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

.album-title { margin: 0 0 0.25rem; font-size: 1.6rem; }
.album-artist { margin: 0 0 1rem; color: var(--muted); }
.album-year::before { content: " / "; }

.album-average {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.album-average strong { font-size: 1.5rem; }
.album-review-count { color: var(--muted); font-size: 0.9rem; margin-left: auto; }

.reviews h2 { font-size: 1.05rem; border-bottom: 1px solid var(--line); padding-bottom: 0.3rem; }

.review { border-bottom: 1px solid var(--line); padding: 0.9rem 0; }
.review-meta { display: flex; align-items: baseline; gap: 0.6rem; font-size: 0.9rem; }
.review-author { font-weight: 600; }
.review-score { color: var(--accent); font-weight: 700; }
.review-date { color: var(--muted); margin-left: auto; }
.review-updated { color: var(--muted); font-size: 0.85rem; }
.review-body { margin: 0.4rem 0 0; white-space: pre-wrap; }

.empty { color: var(--muted); }

.album-list { list-style: none; padding: 0; }
.album-list li { border-bottom: 1px solid var(--line); padding: 0.6rem 0; }
.album-list .year { color: var(--muted); font-size: 0.9rem; }
.album-list .score { color: var(--accent); font-weight: 700; float: right; }

.site-header { display: flex; align-items: baseline; gap: 1rem; }
.site-nav { margin-left: auto; display: flex; align-items: baseline; gap: 0.75rem; font-size: 0.9rem; }
.inline-form { display: inline; margin: 0; }
.link-button {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
}

.page-title { margin: 0 0 0.75rem; font-size: 1.5rem; }
.lead { margin: 0 0 1rem; }
.note { color: var(--muted); font-size: 0.9rem; }

.stack-form { display: flex; flex-direction: column; gap: 0.9rem; max-width: 32rem; }
.field { display: flex; flex-direction: column; gap: 0.25rem; }
.field-label { font-size: 0.9rem; color: var(--muted); }
.stack-form input,
.stack-form textarea {
  font: inherit;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg);
}
.stack-form button {
  font: inherit;
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  color: var(--bg);
  cursor: pointer;
  align-self: flex-start;
}
.form-error {
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  color: var(--accent);
}

.review-handle { color: var(--muted); font-weight: 400; margin-left: 0.35rem; }

.profile { border-bottom: 1px solid var(--line); padding-bottom: 0.75rem; margin-bottom: 1rem; }
.profile-meta { display: flex; gap: 0.75rem; flex-wrap: wrap; color: var(--muted); font-size: 0.9rem; margin: 0; }
.profile-handle { font-weight: 600; }
.review-album { font-weight: 600; }
.review-artist { color: var(--muted); font-size: 0.9rem; }

.my-review {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.9rem;
  margin: 1rem 0;
}
.my-review h2 { margin-top: 0; font-size: 1.05rem; }
.my-review .stack-form { max-width: none; }

/* ヘッダーの検索フォーム */
.search-form { display: flex; gap: 0.25rem; align-items: center; }
.search-form input[type="search"] { min-width: 12rem; }

/* 検索結果 */
.search-artists ul, .search-albums ul, .search-external ul { list-style: none; padding: 0; }
.search-artists li, .search-albums li, .search-external li {
  display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: baseline;
  padding: 0.4rem 0; border-bottom: 1px solid var(--line);
}
.search-artist-name, .search-year, .search-score, .search-count {
  font-size: 0.85em; color: var(--muted);
}
.external-error { color: var(--accent); }

/* 別名 */
.alias-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.alias-list li {
  background: var(--line); border-radius: 0.2rem; padding: 0.1rem 0.5rem; font-size: 0.9em;
}

/* 管理画面(MVP-4) */
.admin-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.admin-report,
.admin-hidden-review,
.admin-banned-user {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.admin-report-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: baseline;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.25rem 0;
}

.report-reason,
.hidden-reason {
  color: var(--accent);
}

.report-note {
  margin: 0.25rem 0;
}

.admin-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.5rem;
}

.admin-filter {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.5rem 0;
}

.pager {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
}

.pager-current {
  color: var(--muted);
}

.admin-alias-list {
  list-style: none;
  padding: 0;
}

.admin-alias {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
}

/* 通報の導線と、非表示であることの表示 */
.review-report {
  color: var(--muted);
  font-size: 0.85rem;
}

.review-hidden {
  color: var(--accent);
  font-size: 0.85rem;
}

.report-target {
  padding: 0.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

/* ラジオ選択肢(手動登録・通報理由) */
.choice {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.15rem 0;
}