/* Lorebook Lab — パステルの検証ノート
   レイアウト: 方眼のベンチの上に、1列の「検体カード」を積む。下部にタブ。 */
:root {
  --bg: #edf4f2;
  --grid: rgba(110, 150, 145, 0.10);
  --surface: #ffffff;
  --surface-2: #f5f9f9;
  --line: #d3e0de;
  --ink: #2b383d;
  --ink-soft: #5b6c72;
  --accent: #6f62c9;
  --accent-ink: #ffffff;
  --accent-soft: #ebe8fb;
  --mark: #ffe680;
  --mark-strong: #ffcb47;
  --user-bg: #e1effb;  --user-ink: #2c5f8c;
  --ai-bg: #fbe5f0;    --ai-ink: #94386a;
  --ok-bg: #dbf3e4;    --ok-ink: #2a7247;
  --fp-bg: #ffe2dc;    --fp-ink: #a2402c;
  --miss-bg: #dfe9ff;  --miss-ink: #31509a;
  --warn-bg: #fff0d2;  --warn-ink: #855600;
  --shadow: 0 1px 2px rgba(40, 70, 70, 0.06), 0 4px 14px rgba(40, 70, 70, 0.06);

  --font-display: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --r-sm: 8px;
  --r-md: 14px;
  --nav-h: 64px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #192125; --grid: rgba(160, 200, 195, 0.05);
    --surface: #222b30; --surface-2: #29343a; --line: #38464c;
    --ink: #e5edef; --ink-soft: #a3b2b7;
    --accent: #a99ef2; --accent-ink: #1c1838; --accent-soft: #312d50;
    --mark: #6a5a17; --mark-strong: #8d7518;
    --user-bg: #22384a; --user-ink: #a8cff3;
    --ai-bg: #432a38;   --ai-ink: #f2b5d2;
    --ok-bg: #1f3a2b;   --ok-ink: #95dcb0;
    --fp-bg: #472a2a;   --fp-ink: #ffb3a4;
    --miss-bg: #263452; --miss-ink: #b0c7ff;
    --warn-bg: #43361a; --warn-ink: #f3d48c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #192125; --grid: rgba(160, 200, 195, 0.05);
  --surface: #222b30; --surface-2: #29343a; --line: #38464c;
  --ink: #e5edef; --ink-soft: #a3b2b7;
  --accent: #a99ef2; --accent-ink: #1c1838; --accent-soft: #312d50;
  --mark: #6a5a17; --mark-strong: #8d7518;
  --user-bg: #22384a; --user-ink: #a8cff3;
  --ai-bg: #432a38;   --ai-ink: #f2b5d2;
  --ok-bg: #1f3a2b;   --ok-ink: #95dcb0;
  --fp-bg: #472a2a;   --fp-ink: #ffb3a4;
  --miss-bg: #263452; --miss-ink: #b0c7ff;
  --warn-bg: #43361a; --warn-ink: #f3d48c;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
}
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.35; text-wrap: balance; margin: 0; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- 枠 ---------- */
.app-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.app-header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 8px; min-width: 0; }
.brand svg { flex: none; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.brand-sub { font-size: 0.7rem; color: var(--ink-soft); letter-spacing: 0.04em; white-space: nowrap; }
.lb-picker { margin-left: auto; min-width: 0; flex: 0 1 220px; }
@media (max-width: 440px) {
  .app-header-inner { gap: 8px; }
  .brand-sub { display: none; }
  .brand-name { font-size: 0.95rem; }
  .lb-picker { flex-basis: 170px; }
}
.lb-picker select { width: 100%; }
.help-btn {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface);
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--accent);
  cursor: pointer;
}
.steps { margin: 0; padding-left: 1.4em; display: flex; flex-direction: column; gap: 4px; }
.guide p { font-size: 0.9rem; }
.guide .pill { margin-right: 4px; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 16px calc(var(--nav-h) + 32px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 30;
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.tabbar-inner { max-width: 760px; margin: 0 auto; display: grid; grid-template-columns: repeat(5, 1fr); }
.tab {
  height: var(--nav-h);
  border: 0;
  background: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.72rem;
  color: var(--ink-soft);
  cursor: pointer;
  position: relative;
}
.tab svg { width: 24px; height: 24px; }
.tab[aria-selected="true"] { color: var(--accent); font-weight: 700; }
.tab[aria-selected="true"]::before {
  content: ""; position: absolute; top: 0; left: 28%; right: 28%; height: 3px;
  border-radius: 0 0 3px 3px; background: var(--accent);
}

/* ---------- パネル ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}
.panel-head { display: flex; flex-direction: column; gap: 4px; }
.hint { font-size: 0.82rem; color: var(--ink-soft); }
.eyebrow { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.notice {
  font-size: 0.82rem;
  background: var(--accent-soft);
  border-radius: var(--r-sm);
  padding: 10px 12px;
}

/* 検体ラベル（入力欄・結果カードの上につく試験管ラベル） */
.specimen {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
  overflow: hidden;
  min-width: 0;
}
.specimen-label {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 14px;
  border-bottom: 1px dashed var(--line);
  background: var(--surface-2);
  font-size: 0.8rem;
}
.specimen-body { padding: 14px; display: flex; flex-direction: column; gap: 14px; }

/* ---------- 入力 ---------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field-label { font-size: 0.8rem; font-weight: 700; color: var(--ink-soft); }
textarea, input[type="text"], input[type="search"], select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  padding: 10px 12px;
  font-size: 16px; /* iOS のズーム防止 */
  line-height: 1.6;
}
textarea { min-height: 96px; resize: vertical; }
textarea:focus, input:focus, select:focus { border-color: var(--accent); background: var(--surface); outline: none; }
select { padding-right: 32px; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row.end { justify-content: flex-end; }
.spacer { flex: 1; }

.btn {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--fp-ink); border-color: color-mix(in srgb, var(--fp-ink) 35%, var(--line)); }
.btn.small { min-height: 32px; padding: 4px 10px; font-size: 0.78rem; }
.btn.ghost { border-color: transparent; background: none; }
.btn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
.btn:disabled { opacity: 0.45; cursor: default; }

.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: none; border-radius: 999px; padding: 6px 12px; font-size: 0.82rem; cursor: pointer; color: var(--ink-soft); min-height: 34px; }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); font-weight: 700; box-shadow: var(--shadow); }

/* ---------- チップ・ピル ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.8rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.chip .n { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); }
.chip.kw { background: var(--mark); border-color: transparent; color: var(--ink); }
.chip.off { text-decoration: line-through; opacity: 0.6; }
.chip.user { background: var(--user-bg); color: var(--user-ink); border-color: transparent; }
.chip.ai { background: var(--ai-bg); color: var(--ai-ink); border-color: transparent; }
.pill { display: inline-block; border-radius: 999px; padding: 1px 10px; font-size: 0.74rem; font-weight: 700; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok-ink); }
.pill.fp { background: var(--fp-bg); color: var(--fp-ink); }
.pill.miss { background: var(--miss-bg); color: var(--miss-ink); }
.pill.warn { background: var(--warn-bg); color: var(--warn-ink); }
.pill.user { background: var(--user-bg); color: var(--user-ink); }
.pill.ai { background: var(--ai-bg); color: var(--ai-ink); }
.pill.neutral { background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--line); }

.no { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-soft); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- 計数 ---------- */
.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.counter { background: var(--surface-2); border-radius: var(--r-sm); padding: 8px 10px; display: flex; flex-direction: column; }
.counter b { font-family: var(--font-mono); font-size: 1.3rem; font-variant-numeric: tabular-nums; line-height: 1.2; }
.counter span { font-size: 0.72rem; color: var(--ink-soft); }
.counter.fp b { color: var(--fp-ink); }
.counter.miss b { color: var(--miss-ink); }
.counter.ok b { color: var(--ok-ink); }

/* ---------- ハイライト ---------- */
.highlight {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--surface-2);
  border-radius: var(--r-sm);
  padding: 12px;
  line-height: 1.95;
  font-size: 0.98rem;
}
.highlight:empty::before { content: "（入力なし）"; color: var(--ink-soft); }
mark.hl {
  background: linear-gradient(transparent 38%, var(--mark) 38%);
  color: inherit;
  border-radius: 2px;
  cursor: pointer;
  padding: 0 1px;
}
mark.hl.multi { background: linear-gradient(transparent 20%, var(--mark-strong) 20%); }
mark.near { background: none; color: inherit; border-bottom: 2px dashed var(--miss-ink); }

/* ---------- 結果リスト ---------- */
.list { display: flex; flex-direction: column; gap: 10px; }
.hit {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  display: flex; flex-direction: column; gap: 8px;
  min-width: 0;
  background: var(--surface);
}
.hit.flash { animation: flash 1.2s ease-out; }
@keyframes flash { from { box-shadow: 0 0 0 3px var(--accent); } to { box-shadow: 0 0 0 0 transparent; } }
.hit-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.hit-title { font-weight: 700; }
.occ { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 0.86rem; border-top: 1px dashed var(--line); padding-top: 8px; }
.occ-pos { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-soft); min-width: 4.5em; font-variant-numeric: tabular-nums; }
.occ-text { flex: 1 1 12em; min-width: 0; word-break: break-word; }
.occ-text b { background: var(--mark); font-weight: 700; padding: 0 1px; border-radius: 2px; }
.occ-actions { display: flex; gap: 6px; }

details.fold { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); }
details.fold > summary { cursor: pointer; padding: 10px 12px; font-weight: 700; font-size: 0.88rem; list-style: none; display: flex; align-items: center; gap: 8px; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before { content: "▸"; color: var(--ink-soft); transition: transform 0.15s; }
details.fold[open] > summary::before { transform: rotate(90deg); }
details.fold > .fold-body { padding: 0 12px 12px; display: flex; flex-direction: column; gap: 8px; }

.miss-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; font-size: 0.86rem; padding: 6px 0; border-top: 1px dashed var(--line); }
.miss-row:first-child { border-top: 0; }
.empty { color: var(--ink-soft); font-size: 0.86rem; padding: 4px 0; }

/* ---------- 連動タイムライン ---------- */
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item { display: grid; grid-template-columns: 28px 1fr; gap: 10px; }
.tl-rail { display: flex; flex-direction: column; align-items: center; }
.tl-dot { width: 14px; height: 14px; border-radius: 50%; margin-top: 6px; border: 3px solid var(--surface); box-shadow: 0 0 0 1px var(--line); flex: none; }
.tl-dot.user { background: var(--user-ink); }
.tl-dot.ai { background: var(--ai-ink); }
.tl-dot.next { background: var(--accent); }
.tl-line { flex: 1; width: 2px; background: var(--line); }
.tl-body { padding-bottom: 16px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.tl-text { font-size: 0.88rem; color: var(--ink-soft); white-space: pre-wrap; word-break: break-word; }
.influence { background: var(--accent-soft); border-radius: var(--r-sm); padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; }
.influence-title { font-size: 0.76rem; font-weight: 700; }
.inf-chip { display: inline-flex; gap: 4px; align-items: center; flex-wrap: wrap; background: var(--surface); border-radius: 999px; padding: 2px 10px; font-size: 0.8rem; border: 1px solid var(--line); }
.inf-chip .src { font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-soft); }
.inf-chip .streak { font-size: 0.68rem; font-weight: 700; color: var(--warn-ink); }
.inf-chip .again { font-size: 0.68rem; font-weight: 700; color: var(--ai-ink); }

.turn { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 10px; display: flex; flex-direction: column; gap: 8px; background: var(--surface); }
.turn.user { border-left: 4px solid var(--user-ink); }
.turn.ai { border-left: 4px solid var(--ai-ink); }
.turn textarea { min-height: 64px; }

/* ---------- 管理 ---------- */
.lb-card { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 12px; display: flex; flex-direction: column; gap: 8px; background: var(--surface); }
.lb-card.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.lb-name { font-weight: 700; word-break: break-word; }
.meta { font-size: 0.78rem; color: var(--ink-soft); }
.entry-edit { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); }
.entry-edit > summary { cursor: pointer; padding: 10px 12px; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; list-style: none; }
.entry-edit > summary::-webkit-details-marker { display: none; }
.entry-edit .fold-body { padding: 0 12px 12px; display: flex; flex-direction: column; gap: 10px; }
.kw-inputs { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 6px; }
.kw-inputs input { padding: 8px 10px; }
pre.prompt { white-space: pre-wrap; word-break: break-word; background: var(--surface-2); border-radius: var(--r-sm); padding: 12px; font-size: 0.82rem; margin: 0; font-family: var(--font-body); }

/* ---------- シート（ダイアログ） ---------- */
.sheet-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(20, 30, 35, 0.4);
  display: flex; align-items: flex-end; justify-content: center;
}
.sheet {
  background: var(--surface);
  width: 100%;
  max-width: 640px;
  max-height: 88vh;
  overflow: auto;
  border-radius: 18px 18px 0 0;
  padding: 18px 16px calc(18px + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; gap: 12px;
}
@media (min-width: 680px) { .sheet-backdrop { align-items: center; } .sheet { border-radius: 18px; } }
.sheet textarea.export { min-height: 220px; font-family: var(--font-mono); font-size: 13px; }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--nav-h) + 16px + env(safe-area-inset-bottom, 0px));
  z-index: 60;
  background: var(--ink); color: var(--bg);
  padding: 8px 16px; border-radius: 999px; font-size: 0.85rem;
  box-shadow: var(--shadow);
  max-width: calc(100% - 32px);
}

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- 編集画面（Zetter の設定集に近い形） ---------- */
.entry-edit > summary { align-items: center; flex-wrap: nowrap; padding: 6px 6px 6px 12px; min-height: 52px; }
.entry-edit > summary::before { content: "▸"; color: var(--ink-soft); transition: transform 0.15s; flex: none; }
.entry-edit[open] > summary::before { transform: rotate(90deg); }
.ee-title { font-weight: 700; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ee-kw { flex: none; font-size: 0.74rem; color: var(--ink-soft); }
.ee-tools { flex: none; display: flex; gap: 2px; }
.icon-btn { width: 36px; height: 36px; border: 0; background: none; border-radius: 8px; display: grid; place-items: center; cursor: pointer; color: var(--ink-soft); }
.icon-btn:hover { background: var(--surface-2); }
.icon-btn.danger { color: var(--fp-ink); }
.icon-btn:disabled { opacity: 0.3; cursor: default; }
.add-entry { width: 100%; justify-content: center; border-style: dashed; min-height: 52px; border-radius: var(--r-md); }
.ft-row { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 8px 12px; display: flex; flex-direction: column; gap: 4px; background: var(--surface-2); }
.ft-row.on { background: var(--surface); border-color: var(--ok-ink); }