:root {
  --bg: #f6f5f2;
  --panel: #ffffff;
  --panel2: #f1efe9;
  --line: #e2ded4;
  --text: #22211f;
  --muted: #6f6a60;
  --accent: #c2410c;
  --accent2: #0f766e;
  --paper: #b45309;
  --ebook: #1d4ed8;
  --danger: #b91c1c;
  --ok: #15803d;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 4px 14px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181b; --panel: #1f2126; --panel2: #262930; --line: #33363e;
    --text: #ebe9e4; --muted: #9a978f; --accent: #fb923c; --accent2: #2dd4bf;
    --paper: #f59e0b; --ebook: #60a5fa; --danger: #f87171; --ok: #4ade80;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.3);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 14px/1.5 -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", "Hiragino Sans", "Noto Sans JP", sans-serif; }
a { color: var(--accent2); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 6px 12px; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--danger); border-color: var(--danger); }
button.small { padding: 3px 8px; font-size: 12px; }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
textarea { width: 100%; min-height: 100px; resize: vertical; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
label.field > input, label.field > select { font-size: 14px; color: var(--text); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
.muted { color: var(--muted); }
.right { margin-left: auto; }
hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }
h2 { margin: 0 0 12px; font-size: 20px; }
h3 { margin: 16px 0 8px; font-size: 15px; }
code { background: var(--panel2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
pre { background: var(--panel2); padding: 10px; border-radius: 8px; overflow: auto; font-size: 12px; }

.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 18px; padding: 8px 18px; background: var(--panel); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
.brand { font-weight: 700; font-size: 18px; color: var(--text); white-space: nowrap; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { padding: 6px 12px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.nav .ico { display: none; }
.nav .lbl-sm { display: none; }
.only-sm { display: none !important; }
.tb-more { display: contents; }
.group-actions { display: contents; }
.nav a:hover { background: var(--panel2); }
.nav a.active { background: var(--accent); color: #fff; }
.topstats { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }
.view { max-width: 1400px; margin: 0 auto; padding: 18px; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 10px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; }
.toolbar input[type=search] { min-width: 260px; flex: 1; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; background: transparent; padding: 6px 10px; }
.seg button.on { background: var(--accent); color: #fff; }
.toggle { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.panel h3:first-child { margin-top: 0; }

/* ---- cover ---- */
.cover { position: relative; aspect-ratio: 2/3; background: var(--panel2); border-radius: 6px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover .cover-ph { display: none; position: absolute; inset: 0; padding: 8px; font-size: 11px; color: var(--muted); text-align: center; align-items: center; justify-content: center; word-break: keep-all; }
.cover.nocover .cover-ph { display: flex; }
.cover.nocover img { display: none; }
.cover.sm { width: 40px; }
.cover.md { width: 64px; }
.cover.lg { width: 140px; }

/* ---- badges ---- */
.badge { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel2); margin: 1px 2px 1px 0; white-space: nowrap; }
.badge.paper { border-color: var(--paper); color: var(--paper); }
.badge.ebook { border-color: var(--ebook); color: var(--ebook); }
.badge.kind { color: var(--muted); }
.badge.lang { color: var(--muted); }
.badge.provider { color: var(--accent2); border-color: var(--accent2); }
.own { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 6px; font-weight: 600; }
.own.owned { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.own.edition { background: color-mix(in srgb, var(--paper) 15%, transparent); color: var(--paper); }
.own.otherlang { background: color-mix(in srgb, var(--ebook) 15%, transparent); color: var(--ebook); }
.own-detail { font-size: 12px; color: var(--muted); margin-top: 3px; }
.own-detail li { margin: 1px 0; }

/* ---- grid ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; cursor: pointer; transition: transform .1s, box-shadow .1s; display: flex; flex-direction: column; gap: 6px; }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card .title { font-size: 12.5px; font-weight: 600; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .sub { font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card .vol { position: absolute; right: 4px; bottom: 4px; background: rgba(0,0,0,.7); color: #fff; font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 4px; }

/* ---- 책장 / 선택 모드 ---- */
.badge.shelf { border-color: var(--accent2); color: var(--accent2); }
.shelf-select { max-width: 220px; font-weight: 600; }
.shelf-checks { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 4px; }
.chip-check { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-size: 13px; color: var(--text); background: var(--panel); user-select: none; }
.chip-check:has(input:checked) { background: var(--accent2); border-color: var(--accent2); color: #fff; }
.chip-check input { display: none; }
.selbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 8px 12px; margin-bottom: 12px; background: color-mix(in srgb, var(--accent2) 12%, var(--panel)); border: 1px solid var(--accent2); border-radius: var(--radius); }
.selbar .sep { width: 1px; height: 20px; background: var(--line); }
.selbar label { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.card { position: relative; }
.selbox { position: absolute; left: 12px; top: 12px; z-index: 2; width: 24px; height: 24px; border-radius: 6px; border: 2px solid #fff; background: rgba(0,0,0,.45); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: 0 1px 3px rgba(0,0,0,.4); }
.selbox.on { background: var(--accent2); border-color: var(--accent2); }
.card.selected { outline: 3px solid var(--accent2); outline-offset: -1px; }
table.list td .selbox { position: static; display: inline-flex; background: var(--panel2); color: var(--text); border-color: var(--line); box-shadow: none; }
table.list td .selbox.on { background: var(--accent2); color: #fff; border-color: var(--accent2); }
table.list tr.selected { background: color-mix(in srgb, var(--accent2) 12%, var(--panel)); }

/* ---- list ---- */
table.list { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.list th, table.list td { padding: 6px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.list th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--panel2); }
table.list tr.book { cursor: pointer; }
table.list tr.book:hover { background: var(--panel2); }
table.list td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---- series group ---- */
.group { margin-bottom: 18px; }
.group summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 8px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
.group summary::-webkit-details-marker { display: none; }
.group summary .name { font-weight: 700; font-size: 15px; }
.group summary .count { color: var(--muted); font-size: 13px; }
.group summary .missing { font-size: 12px; color: var(--paper); }
.group .chev { transition: transform .15s; color: var(--muted); }
.group[open] .chev { transform: rotate(90deg); }
.progress { height: 6px; width: 110px; background: var(--panel2); border-radius: 3px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--accent2); }

/* ---- results ---- */
.results { display: flex; flex-direction: column; gap: 8px; }
.result { display: flex; gap: 12px; padding: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.result .info { flex: 1; min-width: 0; }
.result .t { font-weight: 600; }
.result .meta { font-size: 12px; color: var(--muted); }
.result .actions { display: flex; flex-direction: column; gap: 6px; align-items: stretch; }
.result.owned { border-left: 4px solid var(--ok); }
.result.edition { border-left: 4px solid var(--paper); }
.result.otherlang { border-left: 4px solid var(--ebook); }

/* ---- modal ---- */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: flex-start; justify-content: center; padding: 40px 12px; overflow: auto; z-index: 100; }
.modal { background: var(--panel); border-radius: 14px; width: 100%; max-width: 760px; box-shadow: 0 20px 60px rgba(0,0,0,.35); padding: 20px; position: relative; }
.modal.wide { max-width: 1000px; }
.modal .close { position: absolute; right: 12px; top: 10px; border: 0; background: transparent; font-size: 20px; color: var(--muted); }
.modal h2 { padding-right: 30px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.form-grid .span2 { grid-column: span 2; }
.holdings-list { display: flex; flex-direction: column; gap: 6px; }
.holding { display: flex; gap: 8px; align-items: center; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel2); }
.vol-list { display: flex; flex-direction: column; gap: 4px; max-height: 50vh; overflow: auto; border: 1px solid var(--line); border-radius: 8px; padding: 6px; }
.vol { display: flex; gap: 10px; align-items: center; padding: 4px 6px; border-radius: 6px; }
.vol:hover { background: var(--panel2); }
.vol .t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vol .n { width: 40px; text-align: right; font-weight: 700; color: var(--muted); }
.chip { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--panel2); color: var(--muted); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; z-index: 200; box-shadow: var(--shadow); max-width: 90vw; }
.toast.error { background: var(--danger); color: #fff; }
.empty { text-align: center; color: var(--muted); padding: 50px 0; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }
.stat .v { font-size: 22px; font-weight: 700; }
.stat .k { font-size: 12px; color: var(--muted); }
.bm { display: inline-block; padding: 8px 14px; border-radius: 8px; background: var(--accent); color: #fff !important; font-weight: 600; }
.bm-code { font-family: ui-monospace, Consolas, monospace; font-size: 11px; min-height: 70px; margin-top: 8px; word-break: break-all; }
.steps { padding-left: 18px; }
.steps li { margin: 4px 0; }
.keyrow { display: grid; grid-template-columns: 220px 1fr auto; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.keyrow .k { font-weight: 600; }
.keyrow .k small { display: block; color: var(--muted); font-weight: 400; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); margin-right: 6px; }
.status-dot.on { background: var(--ok); }
@media (max-width: 700px) {
  /* ---- 상단바: 로고만, 내비는 하단 탭바 ---- */
  .topbar { gap: 8px; padding: 6px 12px; }
  .topstats { display: none; }
  .nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; padding: 4px 4px calc(4px + env(safe-area-inset-bottom)); background: var(--panel); border-top: 1px solid var(--line); box-shadow: 0 -2px 10px rgba(0,0,0,.08); }
  .nav a { display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 6px 2px; font-size: 11px; border-radius: 8px; line-height: 1.2; }
  .nav a.active { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
  .nav .ico { display: block; font-size: 20px; line-height: 1; }
  .nav .lbl-lg { display: none; }
  .nav .lbl-sm { display: inline; }
  .view { padding: 10px 10px calc(76px + env(safe-area-inset-bottom)); }
  .toast { bottom: calc(76px + env(safe-area-inset-bottom)); }

  /* ---- 터치 타깃 ---- */
  button, select, input:not([type=checkbox]):not([type=radio]) { min-height: 40px; }
  button.small { min-height: 36px; padding: 4px 10px; font-size: 13px; }
  .seg button { min-height: 38px; }
  input[type=checkbox] { width: 20px; height: 20px; }
  .toggle { min-height: 36px; }
  .modal .close { font-size: 26px; padding: 6px 12px; }

  /* ---- 서재 툴바: 검색 한 줄 + 접이식 필터 ---- */
  .toolbar { padding: 8px; gap: 6px; }
  .toolbar .shelf-select { max-width: none; flex: 1 1 55%; }
  .toolbar input[type=search] { min-width: 0; flex: 1 1 100%; }
  .toolbar .seg { flex: 1; }
  .toolbar .seg button { flex: 1; }
  .only-sm { display: inline-flex !important; align-items: center; justify-content: center; }
  .tb-more { display: none; }
  .tb-more.open { display: flex; flex-wrap: wrap; gap: 6px; flex: 1 1 100%; padding-top: 6px; border-top: 1px dashed var(--line); }
  .tb-more.open select { flex: 1 1 45%; min-width: 0; }
  .tb-more.open .toggle { flex: 1 1 45%; }
  .toolbar .right { flex: 0 0 auto; }

  /* ---- 서재 시리즈 헤더: 버튼은 아래 한 줄 ---- */
  .group summary { flex-wrap: wrap; gap: 6px 8px; padding: 8px 10px; }
  .group summary .name { font-size: 14px; flex: 1 1 auto; }
  .group summary .right { display: none; }
  .progress { width: 70px; }
  .group-actions { display: flex; flex: 1 1 100%; gap: 6px; }
  .group-actions button { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* ---- 격자 / 리스트 ---- */
  .grid { grid-template-columns: repeat(auto-fill, minmax(105px, 1fr)); gap: 8px; }
  .card { padding: 6px; }
  .keyrow { grid-template-columns: 1fr; }
  table.list .hide-sm { display: none; }
  table.list th, table.list td { padding: 6px; }

  /* ---- 시리즈 탭: 표 → 카드 ---- */
  .series-table { display: block; border: 0; background: transparent; overflow: visible; }
  .series-table thead { display: none; }
  .series-table tbody { display: flex; flex-direction: column; gap: 8px; }
  .series-table tr { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; padding: 8px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
  .series-table td { display: block; border: 0; padding: 0 !important; }
  .series-table td.se-cover { width: 44px !important; }
  .series-table td.se-name { flex: 1 1 0; min-width: 0; }
  .series-table td.se-actions { flex: 1 1 100%; display: flex; gap: 6px; }
  .series-table td.se-actions button { flex: 1; }
  .series-table td.hide-sm { display: none; }
  .series-table td.num { text-align: left; font-size: 13px; color: var(--muted); }
  .series-table td.empty { flex: 1 1 100%; }

  /* ---- 패널 / 모달 / 검색 결과 ---- */
  .panel { padding: 12px; }
  .modal-bg { padding: 8px 6px; }
  .modal { padding: 16px 12px; border-radius: 12px; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid .span2 { grid-column: 1 / -1; }
  .result { gap: 10px; padding: 8px; flex-wrap: wrap; }
  .result .actions { flex-direction: row; flex-wrap: wrap; flex: 1 1 100%; }
  .result .actions button { flex: 1; }
  .selbar { padding: 8px; gap: 6px; }
  .selbar .sep { display: none; }
  h2 { font-size: 18px; }
}