:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #2b2a27;
  --sub: #6d6a62;
  --line: #e2ded4;
  --accent: #3f6b5a;
  --accent-text: #ffffff;
  --danger: #b04a3f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1c1a;
    --card: #262826;
    --text: #ebe9e3;
    --sub: #a09d94;
    --line: #3a3c39;
    --accent: #7fb39d;
    --accent-text: #14201a;
    --danger: #e08a7e;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 17px;
  line-height: 1.7;
}
#app { max-width: 640px; margin: 0 auto; padding: 0 16px 24px; }
header.top {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 0 8px;
}
header.top h1 { font-size: 20px; margin: 0; flex: 1; }
button, input, select, textarea {
  font: inherit; color: inherit;
}
input, select, textarea {
  width: 100%; padding: 10px 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
}
textarea { resize: none; }
button {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 8px; padding: 8px 14px; cursor: pointer;
}
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.link { border: none; background: none; color: var(--sub); padding: 4px 8px; font-size: 14px; }
button.danger { color: var(--danger); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px; margin: 10px 0;
}
.book { display: flex; gap: 12px; cursor: pointer; }
.cover {
  width: 56px; height: 80px; flex: none; border-radius: 4px;
  background: var(--line); object-fit: cover;
  display: flex; align-items: center; justify-content: center;
  color: var(--sub); font-size: 12px;
}
.book .info { min-width: 0; }
.book .title { font-weight: 600; line-height: 1.4; }
.sub { color: var(--sub); font-size: 14px; }
.badge {
  display: inline-block; font-size: 12px; padding: 0 8px; border-radius: 10px;
  border: 1px solid var(--accent); color: var(--accent); margin-top: 4px;
}
.empty { text-align: center; color: var(--sub); padding: 40px 0; }
.form label { display: block; font-size: 14px; color: var(--sub); margin: 12px 0 4px; }
.row { display: flex; gap: 8px; align-items: center; }
.note .body { white-space: pre-wrap; word-break: break-word; }
.note .meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 6px; font-size: 13px; color: var(--sub); }
.tag { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 0 8px; }
.action-box { border-left: 4px solid var(--accent); }
.action-box textarea { margin-top: 6px; }
.detail-pad { height: 150px; }
.composer {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: var(--bg); border-top: 1px solid var(--line);
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
}
.composer .inner { max-width: 640px; margin: 0 auto; }
.composer .opts { display: flex; gap: 8px; margin-bottom: 6px; }
.composer .opts input { padding: 6px 10px; font-size: 15px; }
.composer .opts input.page { width: 90px; flex: none; }
.hit {
  margin-top: 8px; padding: 6px 10px; font-size: 15px;
  border-left: 3px solid var(--line); white-space: pre-wrap; word-break: break-word;
}
input[type="search"] { margin: 4px 0 8px; }
.data-box { margin-top: 24px; }
.scan { position: fixed; inset: 0; z-index: 10; background: #000; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.scan-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scan-frame { position: relative; width: 80%; max-width: 360px; aspect-ratio: 2 / 1; border: 3px solid #fff; border-radius: 12px; box-shadow: 0 0 0 100vmax rgba(0,0,0,.5); }
.scan-msg { position: absolute; top: 12%; left: 16px; right: 16px; text-align: center; color: #fff; font-size: 16px; }
.scan-close { position: absolute; bottom: calc(40px + env(safe-area-inset-bottom)); }