/* nanco-reports / AIインポート 設計ドキュメント 共通スタイル
 * 対象: ai-import-architecture / ai-import-layers / ai-import-flow-stock /
 *       ai-import-vision-trade / ai-import-reuse-cost-privacy
 * 思想: 既存 ai-import-column-flow-2026-06.html の「実装解説」スタイルを踏襲し、
 *       レイヤー図・モジュールマップ・クラス関係・用語集などの部品を追加。
 * 配色: ダークヘッダー #0f172a ／ アクセント teal #0e7490 ／ 本文 slate。
 * 共存: nanco.css（rail のトークン）＋ reports-rail.css の後に読み込む。
 *       body の padding-left は rail が持つので、ここでは body に padding を置かない。
 */

/* ---- 土台 ---- */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  background: #f1f5f9;
  color: #1e293b;
  line-height: 1.68;
}

.page-header { background: #0f172a; color: #f8fafc; padding: 26px 32px 22px; }
.page-header h1 { margin: 0 0 6px; font-size: 1.42rem; font-weight: 700; line-height: 1.35; }
.page-header h1 .sub { font-size: 0.8rem; font-weight: 400; color: #94a3b8; margin-left: 6px; }
.page-header .meta { font-size: 0.8rem; color: #94a3b8; }
.page-header .meta code { color: #cbd5e1; background: #1e293b; padding: 1px 6px; border-radius: 4px; font-size: 0.92em; }

/* ミニサイト内のページ間ナビ（ヘッダー下） */
.crosslinks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.crosslinks a {
  font-size: 0.74rem; color: #cbd5e1; text-decoration: none;
  background: #1e293b; border: 1px solid #334155; border-radius: 999px;
  padding: 4px 12px; transition: background 120ms, color 120ms;
}
.crosslinks a:hover { background: #0e7490; color: #fff; border-color: #0e7490; }
.crosslinks a[aria-current="page"] { background: #0e7490; color: #fff; border-color: #0e7490; font-weight: 700; }

.container { max-width: 1040px; margin: 0 auto; padding: 26px 24px 56px; }

/* ---- TL;DR / 目次 ---- */
.tldr {
  display: block; background: #ecfeff; border: 1px solid #a5f3fc; border-left: 4px solid #0e7490;
  border-radius: 8px; padding: 14px 18px; margin-bottom: 20px; font-size: 0.92rem;
}
.tldr-label { display: inline-block; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.06em; color: #0e7490; margin-right: 8px; }
.tldr strong { color: #0e7490; font-variant-numeric: tabular-nums; }

.toc { background: #fff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 13px 20px; margin-bottom: 22px; font-size: 0.84rem; }
.toc-label { font-weight: 700; color: #64748b; font-size: 0.72rem; letter-spacing: 0.05em; margin-right: 10px; }
.toc a { color: #0e7490; text-decoration: none; margin-right: 16px; white-space: nowrap; line-height: 2; }
.toc a:hover { text-decoration: underline; }

/* ---- セクション ---- */
.section { background: #fff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px 26px; margin-bottom: 20px; }
.section-title { font-size: 1.08rem; font-weight: 700; color: #0f172a; margin: 0 0 14px; display: flex; align-items: center; gap: 9px; }
h3 { font-size: 0.96rem; font-weight: 700; color: #0f172a; margin: 24px 0 8px; border-left: 3px solid #0e7490; padding-left: 9px; }
h4 { font-size: 0.86rem; font-weight: 700; color: #334155; margin: 16px 0 6px; }
p { font-size: 0.9rem; margin: 0 0 12px; }
.lead { font-size: 0.95rem; color: #334155; }
.muted { color: #64748b; }
strong { color: #0f172a; }

/* ---- バッジ ---- */
.badge { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 2px 8px; border-radius: 4px; vertical-align: middle; white-space: nowrap; }
.badge-ok { background: #dcfce7; color: #166534; }
.badge-warn { background: #fef9c3; color: #854d0e; }
.badge-alert { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-teal { background: #cffafe; color: #155e75; }
.badge-violet { background: #ede9fe; color: #5b21b6; }
.badge-slate { background: #e2e8f0; color: #334155; }

/* ---- 表 ---- */
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin: 10px 0; }
th { background: #f1f5f9; text-align: left; padding: 8px 12px; font-weight: 600; border-bottom: 2px solid #e2e8f0; vertical-align: top; }
td { padding: 8px 12px; border-bottom: 1px solid #f1f5f9; vertical-align: top; }
tr:last-child td { border-bottom: none; }
td code, th code { white-space: nowrap; }

/* ---- コード ---- */
code { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.8em; background: #eef2f7; padding: 2px 5px; border-radius: 3px; color: #0f172a; }
pre { background: #0f172a; color: #e2e8f0; border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 0.78rem; line-height: 1.6; margin: 10px 0; }
pre code { background: none; color: inherit; padding: 0; font-size: 1em; white-space: pre; }
pre .c { color: #64748b; }  /* comment */
pre .k { color: #7dd3fc; }  /* keyword/type */
pre .s { color: #86efac; }  /* string */
pre .f { color: #fbbf24; }  /* function */

ul, ol { font-size: 0.9rem; margin: 0 0 12px; padding-left: 22px; }
li { margin: 5px 0; }
.tight li { margin: 2px 0; }

/* ---- 注記ボックス ---- */
.note { background: #f8fafc; border-left: 3px solid #cbd5e1; padding: 9px 13px; font-size: 0.83rem; color: #475569; margin: 10px 0; border-radius: 0 4px 4px 0; }
.ok-box { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 6px; padding: 11px 15px; font-size: 0.85rem; color: #166534; margin: 10px 0; }
.warn-box { background: #fffbeb; border: 1px solid #fde68a; border-radius: 6px; padding: 11px 15px; font-size: 0.85rem; color: #854d0e; margin: 10px 0; }
.why { background: #faf5ff; border: 1px solid #e9d5ff; border-left: 3px solid #8b5cf6; border-radius: 0 6px 6px 0; padding: 10px 14px; font-size: 0.84rem; color: #4c1d95; margin: 10px 0; }
.why::before { content: "なぜ？ "; font-weight: 800; color: #7c3aed; font-size: 0.78rem; }

/* ---- 番号付き手順（flow-step） ---- */
.flow { counter-reset: step; margin: 10px 0 4px; }
.flow-step { position: relative; border: 1px solid #e2e8f0; border-radius: 8px; padding: 13px 16px 13px 52px; margin-bottom: 10px; background: #fcfdff; }
.flow-step::before {
  counter-increment: step; content: counter(step); position: absolute; left: 13px; top: 13px;
  width: 26px; height: 26px; border-radius: 50%; background: #0e7490; color: #fff;
  font-size: 0.8rem; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.flow-step .ttl { font-weight: 700; font-size: 0.92rem; color: #0f172a; }
.flow-step .desc { font-size: 0.85rem; color: #475569; margin-top: 4px; }
.flow-step .impl { font-size: 0.78rem; color: #0e7490; margin-top: 6px; }
.flow-step .impl::before { content: "⚙ "; }

/* ---- 会話モック ---- */
.chat { background: #f1f5f9; border-radius: 8px; padding: 10px 13px; margin-top: 8px; font-size: 0.82rem; color: #334155; }
.chat .ai::before { content: "AI "; font-weight: 700; color: #0e7490; font-size: 0.72rem; }
.chat .pills { margin-top: 7px; }
.pill { display: inline-block; font-size: 0.74rem; background: #fff; border: 1px solid #cbd5e1; border-radius: 999px; padding: 3px 11px; margin: 2px 3px 2px 0; color: #334155; }
.pill.primary { background: #0e7490; color: #fff; border-color: #0e7490; }
.pill.dim { opacity: 0.5; }

/* ---- パイプライン図 ---- */
.pipe { display: flex; flex-wrap: wrap; gap: 0; align-items: stretch; }
.pipe-node { flex: 1 1 150px; min-width: 138px; border: 1px solid #e2e8f0; border-radius: 6px; padding: 10px; background: #fcfdff; margin: 4px; }
.pipe-node .pn { font-weight: 700; color: #0f172a; font-size: 0.82rem; }
.pipe-node .pf { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.68rem; color: #0e7490; margin-top: 3px; word-break: break-all; }
.pipe-node .pd { color: #64748b; font-size: 0.75rem; margin-top: 4px; }
.pipe-node.ai { border-color: #c7d2fe; background: #eef2ff; }
.pipe-node.code { border-color: #99f6e4; background: #f0fdfa; }
.pipe-node.db { border-color: #fbcfe8; background: #fdf2f8; }
.legend { margin: 8px 0; }
.legend span { font-size: 0.78rem; margin-right: 16px; color: #475569; }
.dot { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 5px; vertical-align: middle; border: 1px solid rgba(0,0,0,0.08); }
.dot-ai { background: #eef2ff; border-color: #c7d2fe; }
.dot-code { background: #f0fdfa; border-color: #99f6e4; }
.dot-db { background: #fdf2f8; border-color: #fbcfe8; }
.dot-plain { background: #fcfdff; border-color: #e2e8f0; }

/* ---- レイヤースタック（積層アーキ図） ---- */
.layer-stack { margin: 12px 0; }
.layer { border: 1px solid #e2e8f0; border-radius: 8px; padding: 12px 16px; margin-bottom: 8px; background: #fff; display: flex; gap: 14px; align-items: flex-start; }
.layer-tag { flex: 0 0 116px; font-weight: 700; font-size: 0.82rem; color: #0f172a; }
.layer-tag .ko { display: block; font-size: 0.68rem; font-weight: 600; color: #94a3b8; margin-top: 2px; }
.layer-body { flex: 1 1 auto; }
.layer-body .files { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.7rem; color: #0e7490; margin-top: 4px; word-break: break-word; }
.layer-arrow { text-align: center; color: #94a3b8; font-size: 0.9rem; margin: -2px 0 6px; }
.layer.l-ui { border-left: 4px solid #6366f1; }
.layer.l-hook { border-left: 4px solid #8b5cf6; }
.layer.l-client { border-left: 4px solid #0ea5e9; }
.layer.l-api { border-left: 4px solid #14b8a6; }
.layer.l-handler { border-left: 4px solid #0e7490; }
.layer.l-logic { border-left: 4px solid #10b981; }
.layer.l-data { border-left: 4px solid #ec4899; }

/* ---- モジュールマップ（カードグリッド） ---- */
.modmap { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin: 12px 0; }
.mod { border: 1px solid #e2e8f0; border-radius: 7px; padding: 11px 13px; background: #fcfdff; }
.mod .mf { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.74rem; color: #0e7490; font-weight: 700; word-break: break-all; }
.mod .md { font-size: 0.79rem; color: #475569; margin-top: 5px; }
.mod.is-backbone { border-color: #99f6e4; background: #f0fdfa; }

/* ---- 2カラム対比 ---- */
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
.col-card { border: 1px solid #e2e8f0; border-radius: 8px; padding: 14px 16px; background: #fcfdff; }
.col-card h4 { margin-top: 0; }
.col-card.good { border-color: #bbf7d0; background: #f0fdf4; }
.col-card.bad { border-color: #fecaca; background: #fef2f2; }

/* ---- カード一覧（次に読むページ等） ---- */
.deck { display: grid; grid-template-columns: repeat(auto-fill, minmax(248px, 1fr)); gap: 12px; margin: 12px 0; }
.deck-card { display: block; text-decoration: none; border: 1px solid #e2e8f0; border-radius: 8px; padding: 15px 16px; background: #fff; transition: border-color 120ms, box-shadow 120ms, transform 120ms; color: inherit; }
.deck-card:hover { border-color: #0e7490; box-shadow: 0 4px 14px rgba(14,116,144,0.1); transform: translateY(-1px); }
.deck-card .dc-eyebrow { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em; color: #0e7490; text-transform: uppercase; }
.deck-card .dc-title { font-size: 0.95rem; font-weight: 700; color: #0f172a; margin: 5px 0 6px; }
.deck-card .dc-desc { font-size: 0.8rem; color: #475569; margin: 0; }

/* ---- 用語集 ---- */
.gloss { margin: 10px 0; }
.gloss dt { font-weight: 700; color: #0f172a; font-size: 0.86rem; margin-top: 12px; }
.gloss dt code { font-size: 0.92em; }
.gloss dd { margin: 3px 0 0; font-size: 0.84rem; color: #475569; padding-left: 0; }

.footer { font-size: 0.75rem; color: #94a3b8; text-align: center; padding: 22px 0 0; }
.footer a { color: #0e7490; text-decoration: none; }

/* ---- レスポンシブ ---- */
@media (max-width: 760px) {
  .cols2 { grid-template-columns: 1fr; }
  .layer { flex-direction: column; gap: 6px; }
  .layer-tag { flex-basis: auto; }
  .container { padding: 20px 16px 44px; }
}