:root {
  --paper: #f7f2e9; --card: #fffdf8; --ink: #2a2118; --muted: #7a6c5d; --line: #e4d9c7;
  --accent: #8a3b12; --accent-ink: #fff; --ok: #3d6b4f; --warn: #b26b00; --danger: #a12a2a;
  --shadow: 0 1px 2px rgba(60, 40, 20, .08), 0 4px 14px rgba(60, 40, 20, .06);
  --serif: "Literata", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #1c1814; --card: #26201a; --ink: #f1e8da; --muted: #b3a593; --line: #3b3229;
          --accent: #d9874f; --accent-ink: #1c1814; --ok: #7fbf96; --warn: #e3a64a; --danger: #e07070;
          --shadow: 0 1px 2px rgba(0,0,0,.4); }
}
* { box-sizing: border-box; }
html { font-size: 18px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.5; }
a { color: var(--accent); }
h1, h2 { font-family: var(--serif); font-weight: 700; line-height: 1.2; margin: 0 0 .3em; }
h1 { font-size: 2rem; } h2 { font-size: 1.35rem; margin-top: 1.6rem; }
.muted { color: var(--muted); } .small { font-size: .8rem; } .big { font-size: 1.15rem; }
main { max-width: 1200px; margin: 0 auto; padding: 0 16px 64px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px;
       padding: 10px 16px; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(6px);
       border-bottom: 1px solid var(--line); }
.brand { font-family: var(--serif); font-weight: 700; font-size: 1.4rem; color: var(--ink); text-decoration: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 4px; }
.top nav a { padding: 8px 12px; border-radius: 999px; color: var(--ink); text-decoration: none; font-size: .9rem; }
.top nav a.on { background: var(--card); box-shadow: var(--shadow); }
.top nav a.cta { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.top nav a.quiet { color: var(--muted); }

.hero { padding: 28px 0 8px; }
.back { display: inline-block; margin: 16px 0 0; text-decoration: none; }

/* controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 8px 16px;
       border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--ink);
       font: 500 .95rem var(--sans); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.danger { color: var(--danger); } .btn.quiet { color: var(--muted); }
.btn.wide { width: 100%; margin-top: 12px; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; min-height: 44px; width: 100%; }
label { display: block; font-size: .85rem; color: var(--muted); }
label select, label input, label textarea { margin-top: 4px; color: var(--ink); }
.error { color: var(--danger); }
.pill { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: .72rem; font-weight: 600;
        background: var(--line); color: var(--ink); vertical-align: middle; }
.pill.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.pill.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.notice { background: var(--card); border-left: 4px solid var(--warn); border-radius: 8px; padding: 12px 16px;
          margin-bottom: 18px; box-shadow: var(--shadow); }
.notice form.inline { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 8px 0 0; }
.empty { padding: 40px 0; text-align: center; color: var(--muted); }

/* filters */
.filters { display: grid; gap: 12px; margin: 12px 0; }
.search { font-size: 1.1rem; padding: 14px 16px; }
.filters .row { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.filters .row label { flex: 1 1 140px; }
.viewtoggle { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.viewtoggle a { padding: 10px 14px; text-decoration: none; color: var(--muted); font-size: .9rem; }
.viewtoggle a.on { background: var(--card); color: var(--ink); font-weight: 600; }
.count { margin: 4px 0 12px; font-size: .85rem; }

/* grid */
.grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px 18px;
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.card a { display: grid; gap: 4px; text-decoration: none; color: var(--ink); }
.card .t { font-family: var(--serif); font-weight: 600; font-size: .95rem; line-height: 1.25; }
.card .a { font-size: .8rem; color: var(--muted); }
.card.is-review .cover { opacity: .85; }
.cover { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 4px 8px 8px 4px; box-shadow: var(--shadow);
         background: var(--line); display: block; }
.cover.spine { object-fit: contain; background: #2b241d; }
.cover.placeholder { display: flex; flex-direction: column; justify-content: space-between; padding: 14px 12px;
  background: linear-gradient(160deg, hsl(var(--h) 38% 34%), hsl(calc(var(--h) + 30) 42% 22%)); color: #fbf3e4; }
.ph-title { font-family: var(--serif); font-weight: 700; font-size: 1rem; line-height: 1.2; }
.ph-author { font-size: .75rem; opacity: .85; }
.cover.large { max-width: 320px; } .cover.small { width: 72px; }
.cover.small.placeholder { padding: 6px; } .cover.small .ph-title { font-size: .6rem; } .cover.small .ph-author { display: none; }

/* list */
table.list { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 10px; overflow: hidden;
             box-shadow: var(--shadow); font-size: .9rem; }
.list th, .list td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.list th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.list tr.owned { opacity: .6; }
@media (max-width: 700px) { .list th:nth-child(n+3), .list td:nth-child(n+3) { display: none; }
  .scanlist th:nth-child(3), .scanlist td:nth-child(3) { display: table-cell; } }

/* book page */
.book { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 32px; margin-top: 16px; }
@media (max-width: 760px) { .book { grid-template-columns: 1fr; } .book-cover { max-width: 240px; } }
.book h1 { font-size: 2.2rem; } .subtitle { font-family: var(--serif); font-size: 1.1rem; margin: 0; }
.author { font-size: 1.2rem; color: var(--muted); margin: 4px 0 18px; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 20px; }
.meta dt { color: var(--muted); font-size: .85rem; padding-top: 2px; } .meta dd { margin: 0; }
.quick { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.onshelf h2 { margin-top: 32px; }
.shelfphoto { position: relative; margin: 8px 0 0; display: inline-block; max-width: 100%; }
.shelfphoto img { display: block; max-width: 100%; max-height: 80vh; border-radius: 10px; }
.shelfphoto.small img { max-height: 60vh; }
.hl { position: absolute; border: 4px solid #ffcf3f; border-radius: 6px; box-shadow: 0 0 0 9999px rgba(0,0,0,.45);
      animation: pulse 1.6s ease-in-out 3; }
@keyframes pulse { 50% { border-color: #ff7a1a; } }
.edit { margin-top: 32px; } .edit summary { cursor: pointer; font-weight: 600; padding: 8px 0; }
.editform { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-bottom: 12px; }
.editform .full, .editform .actions { grid-column: 1 / -1; }

/* series */
.slots { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.slots li { width: 128px; min-height: 88px; border-radius: 8px; padding: 8px 10px; font-size: .8rem; line-height: 1.25;
            display: flex; flex-direction: column; gap: 4px; }
.slots li a { color: inherit; text-decoration: none; display: flex; flex-direction: column; gap: 4px; }
.slots .own { background: var(--card); box-shadow: var(--shadow); border-left: 4px solid var(--ok); }
.slots .miss { border: 2px dashed var(--line); color: var(--muted); }
.slots .nr { font-family: var(--serif); font-weight: 700; font-size: 1.1rem; }
.series-block { margin-bottom: 8px; }

/* review */
.review { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.review li { display: grid; grid-template-columns: 72px 1fr; gap: 16px; background: var(--card); border-radius: 12px;
             padding: 14px; box-shadow: var(--shadow); }
.rv-read { margin: 0 0 8px; }
.rv-sug { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 8px; padding: 8px 10px;
          border-radius: 8px; background: color-mix(in srgb, var(--ok) 10%, transparent); }
.rv-actions { display: flex; flex-wrap: wrap; gap: 8px; } .rv-actions form { margin: 0; }

/* scan */
.scanform { display: grid; gap: 16px; max-width: 560px; }
.drop { position: relative; display: grid; place-items: center; min-height: 200px; border: 2px dashed var(--line);
        border-radius: 14px; background: var(--card); cursor: pointer; overflow: hidden; }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; min-height: 0; }
.drop-text { font-size: 1.1rem; color: var(--ink); font-weight: 600; }
.drop-preview { display: none; max-width: 100%; max-height: 320px; }
.drop.has .drop-preview { display: block; } .drop.has .drop-text { display: none; }
.grid-choice { border: 0; padding: 0; margin: 0; display: grid; gap: 6px; }
.grid-choice legend { font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
.grid-choice label { display: flex; gap: 10px; align-items: center; font-size: 1rem; color: var(--ink); }
.grid-choice input { width: auto; min-height: 0; }
.progress { padding: 40px 0; } .bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; width: 5%; background: var(--accent); transition: width .4s; }
.scan-layout { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 24px; align-items: start; }
@media (max-width: 800px) { .scan-layout { grid-template-columns: 1fr; } }
.scanlist input[type=checkbox] { width: 22px; height: 22px; min-height: 0; }
.sug { display: inline-flex; gap: 6px; align-items: center; margin-top: 4px; color: var(--ok); font-size: .85rem; }
.sug input { width: 18px; height: 18px; min-height: 0; }
.recent ul { padding-left: 18px; }
.locform { display: grid; gap: 12px; max-width: 520px; }

/* login */
body.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: 100%; max-width: 360px; background: var(--card); padding: 32px 28px; border-radius: 16px; box-shadow: var(--shadow); }
.login-card h1 { margin-bottom: 0; } .login-card label { margin-top: 20px; }