*{ box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html{ -webkit-text-size-adjust:100%; }
body{ margin:0; color:var(--ink); font-family:var(--sans); padding-bottom:env(safe-area-inset-bottom); }
header{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }
header h1{ margin:0; }
header .meta{ font-size:.72rem; color:var(--steel); text-align:right; line-height:1.5; }
.sync-dot{ display:inline-block; width:8px; height:8px; border-radius:50%; background:var(--steel); margin-right:5px; vertical-align:middle; }
.sync-dot.ok{ background:var(--ok); }
.sync-dot.warn{ background:var(--amber); }
.sync-dot.err{ background:var(--rust); }
.layout{ display:flex; }
nav{ flex-shrink:0; }
nav button{ display:block; background:none; cursor:pointer; margin-bottom:1px; }
main{ flex:1; min-width:0; }
.panel{ display:none; }
.panel.active{ display:block; }
h2{ margin:0 0 4px; }
h3{ margin:0 0 8px; }
.sub{ color:var(--steel); margin:0 0 16px; max-width:70ch; line-height:1.45; }
.note{ font-size:.76rem; color:var(--steel); margin-top:6px; line-height:1.45; }
.card{ padding:16px; margin-bottom:16px; }
label{ display:block; font-size:.76rem; color:var(--steel); margin-bottom:4px; }
input, select, textarea{ width:100%; padding:9px 10px; border:1px solid var(--line); font-size:16px; color:var(--ink); min-height:44px; }
textarea{ min-height:80px; resize:vertical; }
select{ -webkit-appearance:none; appearance:none; background-image:linear-gradient(45deg,transparent 50%,var(--steel) 50%),linear-gradient(135deg,var(--steel) 50%,transparent 50%); background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%; background-size:5px 5px; background-repeat:no-repeat; padding-right:28px; }
input[type=checkbox]{ width:auto; min-height:0; margin:0; }
button{ background:var(--blueprint); color:#fff; border:none; padding:10px 16px; font-size:.85rem; font-weight:600; cursor:pointer; min-height:40px; }
button:hover{ background:var(--blueprint-light); }
button.secondary{ border:1px solid var(--line); }
button.secondary:hover{ border-color:var(--blueprint); }
button.danger{ background:#fff; color:var(--rust); border:1px solid var(--line); }
button.danger:hover{ border-color:var(--rust); }
button:disabled{ opacity:.45; cursor:not-allowed; }
.row{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px; }
label.check{ display:flex; align-items:center; gap:7px; font-size:.85rem; color:var(--ink); margin:0; }
.hide{ display:none !important; }
/* filters */
.lb-filters{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:10px; margin-bottom:10px; }
.lb-filters .full{ grid-column:1/-1; }
.seg{ display:inline-flex; border:1px solid var(--line); overflow:hidden; }
.seg button{ color:var(--steel); border:none; padding:8px 14px; min-height:38px; }
.seg button:not(:last-child){ border-right:1px solid var(--line); }
.summary{ font-size:.85rem; color:var(--steel); }
/* book cards */
.lb-grid{ display:grid; }
.bk{ position:relative; display:flex; border:1px solid var(--line); cursor:pointer; }
.bk.selected{ outline:3px solid var(--blueprint); outline-offset:-3px; }
.cover{ flex:none; overflow:hidden; background:var(--paper); display:flex; align-items:center; justify-content:center; }
.cover img{ width:100%; height:100%; object-fit:cover; display:block; }
.cover .ph{ width:100%; height:100%; display:flex; align-items:center; justify-content:center; letter-spacing:.02em; }
.bk-body{ min-width:0; flex:1; }
.bk h4{ margin:0 0 3px; overflow:hidden; display:-webkit-box; }
.bk .au{ margin-bottom:5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.bk .loc{ margin-bottom:6px; }
.chips{ display:flex; flex-wrap:wrap; gap:4px; }
.chip{ font-size:.66rem; padding:2px 7px; white-space:nowrap; }
.chip.loan{ font-weight:600; }
.chip.review{ font-weight:600; }
.selbox{ position:absolute; top:8px; right:8px; width:22px; height:22px; border:2px solid var(--steel); border-radius:4px; background:#fff; display:flex; align-items:center; justify-content:center; color:#fff; font-size:.8rem; font-weight:700; }
.bk.selected .selbox{ background:var(--blueprint); border-color:var(--blueprint); }
/* compact list view */
.lb-list{ border:1px solid var(--line); overflow:hidden; }
.lr{ display:flex; align-items:center; gap:10px; padding:9px 12px; border-bottom:1px solid var(--line); cursor:pointer; }
.lr:last-child{ border-bottom:none; }
.lr.selected{ background:#e3eefc; }
.lr .t{ flex:1; min-width:0; }
.lr .t b{ display:block; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.lr .t span{ font-size:.74rem; color:var(--steel); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; display:block; }
.lr .l{ font-size:.72rem; color:var(--steel); text-align:right; flex:none; max-width:45%; }
.more-wrap{ text-align:center; margin:16px 0; }
.empty{ color:var(--steel); font-size:.9rem; padding:30px 10px; text-align:center; }
/* shelves */
details.room{ border:1px solid var(--line); margin-bottom:12px; }
details.room > summary{ padding:13px 16px; font-weight:700; cursor:pointer; display:flex; justify-content:space-between; align-items:center; }
details.room > summary::-webkit-details-marker{ display:none; }
details.room > summary::after{ content:'\25B8'; color:var(--steel); transition:transform .15s; }
details.room[open] > summary::after{ transform:rotate(90deg); }
.room-body{ padding:0 16px 14px; }
.case{ border-top:1px solid var(--line); padding-top:10px; margin-top:4px; }
.case-h{ font-weight:700; margin:4px 0 8px; }
.shelf{ border:1px solid var(--line); padding:8px 10px; margin-bottom:8px; }
.shelf-h{ display:flex; justify-content:space-between; align-items:center; gap:8px; font-size:.8rem; font-weight:600; margin-bottom:6px; flex-wrap:wrap; }
.shelf-h .acts{ display:flex; gap:6px; }
.shelf-h .acts button{ padding:4px 9px; min-height:30px; font-size:.74rem; }
.spines{ display:flex; flex-direction:column; gap:2px; }
.sp{ display:flex; gap:8px; align-items:baseline; font-size:.82rem; padding:5px 6px; cursor:pointer; }
.sp:hover{ background:#eef3f8; }
.sp .n{ color:var(--steel); font-size:.72rem; width:26px; text-align:right; flex:none; }
.sp .a{ color:var(--steel); font-size:.74rem; margin-left:auto; text-align:right; }
/* import */
.dropzone{ border:2px dashed var(--line); padding:22px; text-align:center; font-size:.88rem; color:var(--steel); cursor:pointer; }
.dropzone.dragover{ border-color:var(--blueprint); background:#eaf1f8; }
ol.steps{ margin:6px 0 0 18px; padding:0; font-size:.85rem; line-height:1.6; }
.pv-table-wrap{ max-height:360px; overflow:auto; border:1px solid var(--line); border-radius:6px; margin-top:10px; }
table{ width:100%; border-collapse:collapse; font-size:.8rem; }
th, td{ text-align:left; padding:7px 9px; border-bottom:1px solid var(--line); vertical-align:top; }
th{ background:#fafbfc; font-weight:700; color:var(--steel); font-size:.7rem; text-transform:uppercase; letter-spacing:.03em; position:sticky; top:0; }
tr.dup td{ background:#fff8e6; }
.stat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(130px,1fr)); gap:10px; }
.stat{ padding:10px 12px; }
.stat b{ display:block; }
.stat span{ font-size:.74rem; color:var(--steel); }
/* modal windows */
.modal-bg{ position:fixed; inset:0; background:rgba(20,24,40,.6); display:none; align-items:center; justify-content:center; z-index:200; padding:20px; }
.modal-bg.open{ display:flex; }
.modal{ max-width:760px; width:100%; max-height:88vh; overflow:auto; padding:20px; }
.modal-close{ float:right; background:none; border:none; font-size:1.5rem; color:var(--steel); cursor:pointer; line-height:1; padding:0 4px; min-height:0; }
.modal-close:hover{ background:none; color:var(--ink); }
.m-top{ display:flex; gap:14px; margin-bottom:14px; }
.m-top h3{ margin:2px 0 4px; }
.m-sec{ margin:16px 0 8px; }
.stars-in{ display:flex; gap:2px; }
.stars-in button{ background:none; border:none; color:#d4d7de; font-size:1.6rem; padding:0 2px; min-height:0; line-height:1; }
.stars-in button:hover{ background:none; }
.nav-arrow{ position:fixed; top:50%; transform:translateY(-50%); z-index:201; background:rgba(255,255,255,.92); border:1px solid var(--line); color:var(--ink); width:44px; height:44px; border-radius:50%; font-size:1.6rem; line-height:1; display:none; align-items:center; justify-content:center; box-shadow:0 1px 6px rgba(0,0,0,.2); padding:0; }
.nav-arrow:hover{ background:#fff; }
.modal-bg.open .nav-arrow{ display:flex; }
.nav-prev{ left:14px; }
.nav-next{ right:14px; }
.lookup-res{ display:flex; flex-direction:column; gap:6px; margin-top:8px; }
.lk{ display:flex; gap:10px; align-items:center; border:1px solid var(--line); border-radius:6px; padding:6px 8px; font-size:.8rem; }
.lk img{ width:34px; height:50px; object-fit:cover; background:var(--paper); flex:none; }
.lk .x{ flex:1; min-width:0; }
.lk button{ padding:5px 10px; min-height:32px; font-size:.76rem; }
.sr-item{ border:1px solid var(--line); padding:10px 12px; margin-bottom:10px; }
.sr-item h4{ margin:0 0 6px; color:var(--navy); }
.sr-loc{ display:flex; gap:10px; font-size:.8rem; padding:6px 8px; border-radius:6px; margin-top:4px; }
.sr-loc:hover{ background:#e3eefc; }
.sr-loc .v{ color:var(--steel); text-align:right; }
.batchbar{ position:sticky; top:0; z-index:50; border-left:4px solid var(--blueprint); }
.toast{ position:fixed; left:50%; bottom:calc(24px + env(safe-area-inset-bottom)); transform:translateX(-50%) translateY(20px); color:#fff; padding:10px 18px; font-size:.85rem; opacity:0; transition:opacity .2s, transform .2s; z-index:300; max-width:90vw; text-align:center; }
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }
@media (max-width:900px){
  header{ padding:calc(env(safe-area-inset-top) + 10px) 16px 10px; }
  .layout{ flex-direction:column; }
  nav{ width:100%; min-height:0; padding:0; display:flex; overflow-x:auto; position:sticky; top:0; z-index:60; }
  nav button{ text-align:center; border-left:none; border-bottom:3px solid transparent; white-space:nowrap; }
  main{ padding:16px 16px 80px; }
  .lb-grid{ grid-template-columns:1fr; }
  .nav-arrow{ width:38px; height:38px; font-size:1.3rem; top:auto; bottom:calc(16px + env(safe-area-inset-bottom)); transform:none; }
  .nav-prev{ left:12px; }
  .nav-next{ right:12px; }
  .modal-bg{ padding:10px; }
  .modal{ max-height:92vh; padding:16px; }
}
/* ---------- softer, bookish look ---------- */
header h1{ font-family:var(--serif); font-weight:600; color:var(--navy); line-height:1; display:flex; align-items:center; }
header h1 img{ box-shadow:0 1px 3px rgba(60,40,20,.25); }
header h1 small{ color:var(--steel); margin-top:4px; }
nav button.active{ border-left-color:var(--gold); }
h2{ font-family:var(--serif); font-size:2rem; font-weight:600; color:var(--navy); letter-spacing:.01em; margin-bottom:2px; }
h3{ font-family:var(--serif); font-size:1.3rem; font-weight:600; color:var(--navy); }
.sub{ font-size:.92rem; }
.card{ border-color:var(--line); border-radius:14px; }
input, select, textarea{ background:#fffdf9; border-color:var(--line); border-radius:10px; font-family:var(--sans); }
input:focus, select:focus, textarea:focus{ outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(201,164,92,.22); }
#f-q{ font-size:18px; padding:14px 16px 14px 44px; border-radius:999px; min-height:52px; background:#fffdf9 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%237b6f63' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 16px center; }
button{ border-radius:999px; font-family:var(--sans); letter-spacing:.01em; }
button.secondary{ background:var(--card); color:var(--blueprint); border-color:var(--line); }
.seg{ border-radius:999px; border-color:var(--line); }
.seg button{ border-radius:0; background:var(--card); }
.seg button.active{ background:var(--navy); color:#fff; }
/* book cards */
.lb-grid{ grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; }
.bk{ border-color:var(--line); border-radius:14px; padding:14px; gap:14px; transition:transform .15s, box-shadow .15s, border-color .15s; }
.bk:hover{ transform:translateY(-2px); border-color:var(--gold); box-shadow:0 8px 20px rgba(60,40,20,.10); }
.cover{ width:64px; height:96px; border-radius:3px 6px 6px 3px; box-shadow:-2px 0 0 rgba(0,0,0,.08) inset, 0 3px 8px rgba(60,40,20,.25); }
.m-top .cover{ width:96px; height:144px; }
.cover .ph{ font-family:var(--serif); font-size:1.25rem; font-weight:600; color:#f5e9cf; position:relative; background-image:linear-gradient(90deg, rgba(0,0,0,.18) 0 5px, transparent 5px), linear-gradient(rgba(255,255,255,.06), rgba(0,0,0,.08)); }
.cover .ph::after{ content:''; position:absolute; inset:9px 7px 9px 12px; border:1px solid rgba(233,210,160,.55); border-radius:2px; }
.bk h4{ -webkit-line-clamp:2; -webkit-box-orient:vertical; font-family:var(--serif); font-size:1.15rem; font-weight:600; line-height:1.15; color:var(--ink); }
.bk .au{ font-style:italic; color:var(--steel); font-size:.84rem; }
.bk .loc{ font-size:.74rem; color:var(--steel); }
.chip{ background:#f1e8d8; color:#6e5e4c; border-radius:999px; }
.chip.read{ background:#e2ecdf; color:#3e6a49; }
.chip.reading{ background:#e6e4f1; color:#4f4a7a; }
.chip.loan{ background:#f5dfd7; color:#8c3b2d; }
.chip.review{ background:#f7ead0; color:#8a6419; }
.chip.stars{ background:#faf0d6; color:#b98a2e; }
.lb-list{ background:var(--card); border-radius:14px; border-color:var(--line); }
.lr .t b{ font-family:var(--serif); font-size:1.05rem; font-weight:600; color:var(--ink); }
.lr:hover{ background:#f6eedf; }
details.room{ background:var(--card); border-radius:14px; }
details.room > summary{ list-style:none; font-family:var(--serif); font-size:1.35rem; color:var(--navy); }
.case-h{ font-family:var(--serif); font-size:1.05rem; text-transform:none; letter-spacing:.01em; color:var(--blueprint); }
.shelf{ background:#f4ecdd; border-color:var(--line); border-radius:10px; border-bottom:4px solid #b89370; }
.sp{ background:var(--card); border-radius:6px; }
.sp span:nth-child(2){ font-family:var(--serif); font-size:1rem; }
.modal{ background:var(--card); border-radius:18px; }
.m-top h3{ font-size:1.6rem; line-height:1.1; }
.m-sec{ font-family:var(--serif); font-size:1.05rem; text-transform:none; letter-spacing:.01em; color:var(--blueprint); font-weight:600; }
.stars-in button.on{ color:var(--gold); }
.stat{ background:#f4ecdd; border-radius:12px; }
.stat b{ font-family:var(--serif); font-size:1.8rem; color:var(--navy); }
.dropzone{ background:var(--card); border-color:#d9c9ad; border-radius:14px; }
.toast{ pointer-events:none; background:var(--navy); border-radius:999px; }
.sr-item{ background:var(--card); border-radius:12px; }
.sr-item h4{ font-family:var(--serif); font-size:1.15rem; }
.sr-loc{ justify-content:space-between; cursor:pointer; background:#f4ecdd; }
@media (max-width:900px){
  header{ flex-wrap:nowrap; }
  header h1{ font-size:1.4rem; }
  header h1 small{ display:none; }
  header .meta{ font-size:.66rem; max-width:48%; }
  #sync-text{ display:inline-block; max-width:140px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; vertical-align:bottom; }
  nav button.active{ border-bottom-color:var(--gold); }
  h2{ font-size:1.7rem; }
}
/* feed view (Instagram-style) */
.feed{ max-width:560px; margin:0 auto; display:flex; flex-direction:column; gap:18px; }
.post{ background:var(--card); border:1px solid var(--line); border-radius:18px; overflow:hidden; cursor:pointer; box-shadow:0 2px 10px rgba(60,40,20,.06); }
.post.selected{ outline:3px solid var(--blueprint); }
.post-art{ position:relative; display:flex; align-items:center; justify-content:center; padding:28px 0; background:linear-gradient(160deg, rgba(247,241,230,.80), rgba(233,221,200,.70)), var(--bg); }
.cover.big{ width:180px; height:270px; border-radius:4px 8px 8px 4px; box-shadow:0 14px 30px rgba(40,25,10,.35); }
.cover.big .ph{ font-size:2.6rem; }
.post-body{ padding:14px 18px 18px; }
.post-body h4{ font-family:var(--serif); font-size:1.5rem; font-weight:600; line-height:1.1; margin:0 0 4px; color:var(--ink); }
.post-body .au{ font-style:italic; color:var(--steel); font-size:.92rem; }
.post-body .ser{ font-size:.78rem; color:var(--blueprint); font-weight:600; margin-top:4px; }
.post-body .ab{ font-size:.95rem; line-height:1.5; margin:10px 0; color:var(--ink); }
.post-body .chips{ margin:8px 0; }
.post-body .loc{ font-size:.78rem; color:var(--steel); }
.modal.viewing .m-form{ display:none; }
.modal:not(.viewing) .m-view, .modal:not(.viewing) .m-viewbar{ display:none; }
.m-view dl{ margin:4px 0 0; display:grid; grid-template-columns:1fr 1fr; gap:10px 16px; }
.m-view dt{ font-size:.68rem; text-transform:uppercase; letter-spacing:.08em; color:var(--steel); font-weight:700; }
.m-view dd{ margin:2px 0 0; font-size:.92rem; }
.m-viewbar{ margin-top:18px; border-top:1px solid var(--line); padding-top:14px; }
.m-about{ font-size:.92rem; line-height:1.5; margin:8px 0 0; color:var(--ink); font-style:italic; }
.more-wrap.auto button{ opacity:.7; }
@media (max-width:700px){
  .feed{ gap:14px; }
  .cover.big{ width:160px; height:240px; }
}
body.locked{ position:fixed; left:0; right:0; overflow:hidden; }
.modal-bg{ overscroll-behavior:contain; touch-action:none; }
.search-wrap{ position:relative; }
.search-wrap #f-q{ padding-right:48px; }
.search-wrap input[type=search]::-webkit-search-cancel-button{ -webkit-appearance:none; display:none; }
.clear-q{ position:absolute; right:8px; top:50%; transform:translateY(-50%); width:36px; height:36px; min-height:0; padding:0; border-radius:50%; background:#efe5d3; color:var(--steel); font-size:1.4rem; line-height:1; display:flex; align-items:center; justify-content:center; }
.clear-q:hover{ background:#e6d8bf; color:var(--ink); }
.search-row{ display:flex; gap:10px; align-items:center; margin-top:10px; flex-wrap:wrap; }
.search-row .seg{ flex:none; }
.genre-main{ flex:1 1 170px; width:auto; min-height:40px; border-radius:999px; padding:8px 30px 8px 14px; font-size:15px; }
@media (max-width:700px){
  .search-row .seg button{ padding:8px 12px; }
}
.search-row.nowrap{ flex-wrap:nowrap; }
.genre-acts{ display:flex; gap:8px; align-items:center; flex:1 1 280px; min-width:0; }
.genre-acts .genre-main{ flex:1 1 auto; min-width:0; }
.genre-acts .add-round{ flex:none; }
.search-row.nowrap #btn-more-filters{ padding:8px 14px; white-space:nowrap; }
.lib-h2{ display:none; }
.add-round{ width:42px; height:42px; min-height:0; padding:0; border-radius:50%; font-size:1.5rem; line-height:1; flex:none; }
.search-row #btn-more-filters{ margin-left:auto; }
@media (max-width:700px){
  .lib-intro{ display:none; }
  #library > h2{ font-size:1.5rem; margin-bottom:10px; }
  .search-card{ padding:12px; }
}
.sl-item{ padding:14px; margin-bottom:12px; }
.sl-top{ display:flex; gap:12px; }
.sl-t{ font-family:var(--serif); font-size:1.1rem; color:var(--ink); }
.sl-est{ font-size:.82rem; margin-top:4px; color:var(--ink); }
.sl-links a{ color:var(--blueprint); font-weight:600; text-decoration:none; }
.sl-ctrl{ display:grid; grid-template-columns:repeat(auto-fit,minmax(130px,1fr)); gap:8px; margin-top:10px; }
.sl-ctrl select, .sl-ctrl input{ min-height:40px; font-size:15px; padding:6px 10px; }
.sl-warn{ font-size:.78rem; background:#f7ead0; color:#8a6419; border-radius:8px; padding:6px 10px; margin-top:8px; }
#sl-view button{ padding:8px 12px; white-space:nowrap; }
#sl-view{ overflow-x:auto; max-width:100%; flex-wrap:nowrap; }
@media (max-width:700px){
  #sl-view{ overflow-x:auto; max-width:100%; }
}
/* ---------- clean layout: two tabs up top, tools behind the ⋯ menu ---------- */
header{ position:relative; z-index:130; }
.hdr-right{ display:flex; align-items:center; gap:12px; }
.hdr-count{ font-size:.78rem; color:var(--steel); letter-spacing:.02em; }
.menu-btn{ position:relative; width:40px; height:40px; min-height:0; padding:0; border-radius:50%; background:transparent; color:var(--navy); align-items:center; justify-content:center; }
.menu-btn:hover{ background:#efe5d3; }
.menu-btn .sync-dot{ position:absolute; right:6px; top:7px; width:8px; height:8px; margin:0; box-shadow:0 0 0 2px var(--card); }
.menu-btn .sync-dot:not(.warn):not(.err){ display:none; }
.menu-pop{ display:none; position:absolute; right:0; z-index:140; width:280px; background:var(--card); border:1px solid var(--line); border-radius:14px; box-shadow:0 12px 32px rgba(40,25,10,.18); padding:6px; }
.menu-pop.open{ display:block; }
.menu-pop button{ display:block; width:100%; text-align:left; background:none; color:var(--ink); border-radius:10px; padding:10px 12px; min-height:0; font-weight:400; }
.menu-pop button:hover{ background:#f4ecdd; }
.menu-pop b{ display:block; font-family:var(--serif); font-size:1.1rem; font-weight:600; color:var(--navy); }
.menu-pop span{ display:block; font-size:.76rem; color:var(--steel); margin-top:2px; }
.menu-foot{ font-size:.72rem; color:var(--steel); padding:4px 12px 6px; }
.menu-foot:empty{ display:none; }
.layout{ flex-direction:column; }
nav{ min-height:0; padding:0; display:flex; border-bottom:1px solid var(--line); }
nav button{ flex:0 0 auto; width:auto; text-align:center; border-left:none; border-bottom:2px solid transparent; font-weight:600; }
nav button:hover{ background:transparent; color:var(--navy); }
nav button.active{ border-bottom-color:var(--gold); border-left:none; }
body.behind-menu nav button.active{ border-bottom-color:transparent; color:var(--steel); }
main{ max-width:1180px; width:100%; margin:0 auto; }
.back-link{ display:block; background:none; color:var(--blueprint); padding:0; min-height:0; font-weight:600; margin-bottom:10px; }
.back-link:hover{ background:none; text-decoration:underline; }
.un-room h3{ margin-bottom:6px; }
.un-row{ cursor:pointer; }
.un-row .n{ width:auto; min-width:96px; text-align:left; }
@media (max-width:900px){
  nav button{ flex:1; padding:12px 10px; }
  .hdr-count{ display:none; }
}
.modal{ overscroll-behavior:contain; touch-action:pan-y; will-change:transform; backface-visibility:hidden; }
.modal.peek{ pointer-events:none; will-change:transform; }
/* reading a book: every page the same size, so flipping between books doesn't jump up and down */
.modal.viewing{ height:min(88vh, 780px); max-height:none; }
@media (max-width:760px){
  .modal.viewing{ height:92vh; height:92dvh; }
}
/* page-turn lighting */
.pt-layer{ pointer-events:none; border-radius:18px; }
.pt-under{ background:linear-gradient(to right, rgba(40,26,10,.55) 0%, rgba(40,26,10,.25) var(--edge,50%), rgba(40,26,10,.05) 100%); }
.pt-gloss{ backface-visibility:hidden; background:linear-gradient(to right, rgba(60,40,15,0) 0%, rgba(60,40,15,.10) 55%, rgba(60,40,15,.38) 100%); }
.pt-back{ background:linear-gradient(to right, rgba(60,40,15,var(--sh,.3)) 0%, rgba(60,40,15,0) 22%, rgba(255,255,255,.35) 60%, rgba(60,40,15,.12) 100%),
    var(--card); box-shadow:0 8px 30px rgba(30,18,6,.25); }
.modal-bg.open{ -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); transition:background .2s; overflow:hidden; }
/* ================= the whole library as an open book ================= */
:root{ --blueprint:#8c3b2d; --blueprint-light:#732e22; /* accent: brick red */ --navy:#2e4a3b; --navy-light:#3b5b49; /* deep bottle green */ --line:#e6dccb; --paper:#f7f1e6; --ink:#2f2924; --steel:#7b6f63; --card:#fffcf6; --gold:#c9a45c; --rust:#a8412f; --ok:#4e7d5b; --amber:#b98a2e; --sans:'Nunito Sans', 'Segoe UI', Helvetica, Arial, sans-serif; --serif:'Cormorant Garamond', Georgia, 'Times New Roman', serif; --leather:#4a2a1c; --leather-dk:#2b170e; --ribbon1:#8b2f23; --ribbon2:#2e4a3b; --ribbon3:#b08a3e; --page:#fbf6ea; --page-edge:#e9dfca; }
html{ background:#2a1810; }
body{ background:radial-gradient(ellipse at 50% 0%, rgba(255,220,170,.10), transparent 60%),
    repeating-linear-gradient(90deg, rgba(0,0,0,.05) 0 2px, transparent 2px 7px),
    linear-gradient(160deg, #5a3321, #3a2016 55%, #28150d); min-height:100vh; padding:26px 18px 60px; }
.book{ max-width:1200px; margin:0 auto; position:relative; padding:14px 14px 14px 22px; border-radius:10px 16px 16px 10px; background:linear-gradient(90deg, rgba(0,0,0,.45), rgba(0,0,0,0) 14px),
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.06), transparent 50%),
    var(--leather); box-shadow:0 30px 60px rgba(0,0,0,.55), inset 0 0 0 2px rgba(201,164,92,.35), inset 0 0 0 6px var(--leather), inset 0 0 0 7px rgba(201,164,92,.25); }
.page{ position:relative; background:var(--page) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .4 0 0 0 0 .25 0 0 0 .06 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); border-radius:3px 8px 8px 3px; min-height:80vh; box-shadow:2px 2px 0 var(--page-edge), 4px 4px 0 #f3ecdc, 6px 6px 0 var(--page-edge), 8px 8px 0 #efe6d2, 10px 10px 0 #ddd0b5, 0 0 0 1px rgba(80,55,25,.12); }
.page::before{ content:''; position:absolute; left:0; top:0; bottom:0; width:46px; pointer-events:none; border-radius:3px 0 0 3px; background:linear-gradient(90deg, rgba(70,45,20,.28), rgba(70,45,20,.08) 40%, rgba(70,45,20,0)); z-index:1; }
.page::after{ content:'❧'; display:block; text-align:center; color:var(--gold); font-size:1.4rem; padding:10px 0 26px; opacity:.8; }
/* running head: a title page */
header{ background:transparent !important; border-bottom:none !important; flex-direction:column; align-items:center; padding:30px 20px 6px !important; text-align:center; }
header h1{ flex-direction:column; gap:6px !important; font-size:2.5rem !important; letter-spacing:.04em !important; }
header h1 img{ width:40px !important; height:40px !important; border-radius:50% !important; }
header h1 small{ display:block !important; font-family:var(--serif) !important; font-style:italic; font-size:1rem !important; letter-spacing:.02em !important; text-transform:none !important; font-weight:500 !important; }
header h1::after{ content:'— ❦ —'; font-family:var(--serif); font-size:1rem; color:var(--gold); letter-spacing:.3em; margin-top:4px; }
.hdr-right{ position:absolute !important; right:22px; top:18px; }
.hdr-count{ font-family:var(--serif); font-style:italic; }
/* tabs: thumb-index tabs cut into the fore-edge, like a dictionary */
.layout{ position:static !important; }
nav{ justify-content:center; position:absolute !important; right:-40px; top:170px; width:auto !important; flex-direction:column !important; gap:10px !important; background:transparent !important; border:none !important; -webkit-backdrop-filter:none !important; backdrop-filter:none !important; z-index:150 !important; }
nav button{ writing-mode:vertical-rl; padding:18px 9px !important; border:none !important; border-radius:0 10px 10px 0 !important; font-family:var(--serif) !important; font-size:1.05rem !important; letter-spacing:.12em !important; font-variant:small-caps; color:#f6ead3 !important; box-shadow:inset 3px 0 6px rgba(0,0,0,.25), 2px 3px 6px rgba(0,0,0,.35); transition:transform .2s, background .2s; transform:translateX(-6px); }
nav button:nth-child(1){ background:var(--ribbon1) !important; }
nav button:nth-child(2){ background:var(--ribbon2) !important; }
nav button:hover{ transform:translateX(0); }
nav button.active{ background:var(--page) !important; color:var(--navy) !important; transform:translateX(0); box-shadow:2px 3px 6px rgba(0,0,0,.3); font-weight:700 !important; }
main{ padding:10px 64px 20px 70px !important; }
/* chapters */
.panel > h2{ text-align:center; font-size:2.3rem !important; margin-top:6px; }
#library > h2::before{ content:'Chapter I'; }
#shelves > h2::before{ content:'Chapter II'; }
#import > h2::before{ content:'Appendix A'; }
#data > h2::before{ content:'Appendix B'; }
#help > h2::before{ content:'Appendix C'; }
.appx-tabs{ display:flex; gap:6px; justify-content:center; margin:4px 0 18px; flex-wrap:wrap; }
.appx-tabs button{ flex:1 1 0; max-width:200px; background:var(--card); color:var(--navy); border:1px solid var(--line); border-radius:10px; padding:7px 8px; min-height:0; font-family:var(--serif); font-size:.98rem; line-height:1.15; }
.appx-tabs button small{ display:block; font-family:var(--sans); font-size:.6rem; letter-spacing:.16em; text-transform:uppercase; color:var(--steel); font-weight:700; margin-bottom:2px; }
.appx-tabs button.on{ background:#4b3a5a; color:#fff8e8; border-color:#4b3a5a; }
.appx-tabs button.on small{ color:#e6d9f0; }
.appx-tabs button:hover{ border-color:#4b3a5a; }
.panel > h2::before{ display:block; font-family:var(--sans); font-size:.7rem; letter-spacing:.3em; text-transform:uppercase; color:var(--steel); font-weight:700; margin-bottom:4px; }
.panel > h2::after{ content:''; display:block; width:90px; height:1px; margin:10px auto 0; background:linear-gradient(90deg, transparent, var(--gold), transparent); }
.panel > .sub{ text-align:center; font-family:var(--serif); font-style:italic; font-size:1.12rem; max-width:560px; margin-left:auto; margin-right:auto; }
.card{ background:rgba(255,253,247,.55) !important; border:1px solid rgba(120,90,50,.18) !important; box-shadow:none !important; }
.bk{ background:rgba(255,253,247,.7) !important; }
/* phone: a single page, tabs become silk ribbon bookmarks hanging from the top edge */
@media (max-width:760px){
  body{ padding:10px 6px 30px; }
  .book{ padding:8px 8px 8px 12px; border-radius:6px 10px 10px 6px; }
  .page{ box-shadow:1px 1px 0 var(--page-edge), 2px 2px 0 #f3ecdc, 3px 3px 0 var(--page-edge), 4px 4px 0 #ddd0b5; }
  .page::before{ width:22px; }
  header{ padding:22px 14px 4px !important; }
  header h1{ font-size:1.9rem !important; }
  header h1 small{ font-size:.9rem !important; }
  .hdr-count{ display:none; }
  nav{ position:absolute !important; top:-10px; right:14px; left:auto; flex-direction:row !important; gap:6px !important; }
  nav button{ padding:34px 8px 22px !important; box-shadow:none !important; }
  nav button.active{ padding-bottom:40px !important; background:var(--ribbon3) !important; color:#fff8e8 !important; }
  main{ padding:8px 14px 10px 22px !important; }
  .panel > h2{ font-size:1.9rem !important; }
}
/* Epilogue bookmark replaces the ⋯ button */
.menu-btn{ display:none !important; }
nav button:nth-child(3){ background:#4b3a5a !important; position:relative; }
nav button:nth-child(3).active{ background:var(--page) !important; color:var(--navy) !important; }
#nav-epi .sync-dot{ position:absolute; top:6px; right:6px; width:8px; height:8px; margin:0; box-shadow:0 0 0 2px #fff8e8; }
#nav-epi .sync-dot:not(.warn):not(.err){ display:none; }
.menu-pop{ top:34px !important; }
@media (max-width:760px){
  nav button{ writing-mode:horizontal-tb; transform:none !important; border-radius:0 !important; clip-path:polygon(0 0,100% 0,100% 100%,50% 84%,0 100%); width:66px; font-size:.78rem !important; letter-spacing:.02em !important; padding-left:4px !important; padding-right:4px !important; }
  nav button:nth-child(3).active{ background:var(--ribbon3) !important; color:#fff8e8 !important; }
  .hdr-right{ left:auto !important; right:14px !important; top:70px !important; }
  header{ padding-top:78px !important; }
}
/* ---- collections, scanner, unidentified walk-through ---- */
.coll-bar{ display:flex; gap:6px; overflow-x:auto; padding:2px 2px 10px; margin:-4px 0 6px; align-items:center; scrollbar-width:none; }
.coll-bar::-webkit-scrollbar{ display:none; }
.coll-lbl{ font-family:var(--serif); font-style:italic; color:var(--steel); font-size:.95rem; flex:none; margin-right:2px; }
.coll-pill{ flex:none; background:var(--card); color:var(--navy); border:1px solid var(--line); border-radius:999px; padding:5px 12px; min-height:32px; font-size:.8rem; font-weight:600; white-space:nowrap; }
.coll-pill span{ color:var(--steel); font-weight:400; margin-left:2px; }
.coll-pill.on{ background:var(--navy); color:#fff8e8; border-color:var(--navy); }
.coll-pill.on span{ color:#e9dcc0; }
.coll-pill.ghost{ background:none; border-style:dashed; color:var(--steel); font-weight:400; }
.coll-now{ display:inline-block; background:var(--navy); color:#fff8e8; border-radius:999px; padding:1px 10px; font-size:.78rem; font-weight:600; margin-right:4px; }
.coll-edit{ display:flex; flex-wrap:wrap; gap:6px; align-items:center; }
.coll-chip{ display:inline-flex; align-items:center; gap:2px; background:#efe6d3; color:var(--navy); border-radius:999px; padding:3px 4px 3px 11px; font-size:.8rem; font-weight:600; }
.coll-chip.view{ padding:2px 10px; font-size:.76rem; }
.coll-chip button{ background:none; color:var(--steel); min-height:0; padding:0 6px; font-size:1.05rem; line-height:1; }
.coll-in-row{ display:flex; gap:6px; margin-top:6px; }
.coll-in-row input{ flex:1; }
.coll-in-row button{ min-height:36px; padding:6px 12px; }
.scan-round svg{ display:block; margin:auto; }
#scan-bg{ z-index:260; }
#ph-bg{ z-index:240; }
.ph-item{ display:flex; gap:10px; align-items:center; font-size:.8rem; padding:6px 0; border-top:1px solid var(--line); }
.ph-item img{ width:46px; height:46px; object-fit:cover; border-radius:4px; }
#walk-bg{ z-index:230; }
.scan-modal{ max-width:520px; }
.sc-view{ position:relative; background:#111; border-radius:8px; overflow:hidden; aspect-ratio:4/3; margin:8px 0 6px; }
.sc-view video{ width:100%; height:100%; object-fit:cover; display:block; }
.sc-frame{ position:absolute; left:10%; right:10%; top:25%; bottom:25%; border:2px solid rgba(255,248,232,.9); border-radius:8px; box-shadow:0 0 0 999px rgba(0,0,0,.28); pointer-events:none; }
.sc-frame::after{ content:''; position:absolute; left:6%; right:6%; top:50%; height:2px; background:#e0553b; opacity:.8; }
.sc-type{ display:flex; gap:6px; }
.sc-type input{ flex:1; }
.sc-loc{ margin-top:10px; }
.sc-loc .grid{ grid-template-columns:repeat(4,1fr); gap:6px; }
.sc-loc label{ font-size:.7rem; }
@media (max-width:520px){
  .sc-loc .grid{ grid-template-columns:1fr 1fr; }
}
.sc-card{ display:flex; gap:12px; align-items:flex-start; margin-top:10px; background:var(--paper); border-radius:8px; padding:10px; font-size:.86rem; }
.sc-card img, .sc-nocov{ width:58px; height:86px; object-fit:cover; border-radius:3px; flex:none; background:#ddd; }
.sc-nocov{ display:flex; align-items:center; justify-content:center; font-size:.65rem; color:var(--steel); text-align:center; }
.sc-have{ background:#fff1d6; color:#6b4a00; border-radius:8px; padding:8px 10px; margin-top:10px; font-size:.84rem; }
.help h3{ font-family:var(--serif); font-size:1.2rem; margin:18px 0 6px; }
.help h3:first-child{ margin-top:0; }
.help p, .help li{ font-size:.92rem; line-height:1.55; margin:0 0 6px; }
.help ul{ margin:0 0 6px; padding-left:20px; }
.sc-modes{ display:flex; margin:0 0 8px; }
.sc-modes button{ flex:1; }
.sc-st{ margin-top:10px; border-radius:8px; padding:8px 12px; font-weight:700; font-size:.9rem; }
.sc-st.have{ background:#e3f6ef; color:#07785a; }
.sc-st.partial{ background:#fff1d6; color:#8a5a00; }
.sc-st.new{ background:#e8eef7; color:#2c4a73; }
.sc-m a{ color:var(--navy); text-decoration:none; }
.sc-have a{ color:inherit; }
.sc-grp{ margin-top:10px; }
.sc-gh{ font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--steel); margin-bottom:4px; }
.sc-m{ display:flex; gap:8px; align-items:center; justify-content:space-between; padding:7px 0; border-top:1px solid var(--line); font-size:.84rem; }
.sc-mb{ display:flex; gap:6px; flex:none; }
.sc-mb button{ min-height:32px; padding:5px 10px; font-size:.76rem; }
.sc-frame.hit{ animation:sc-hit .45s ease-out; }
.sc-frame.dup{ animation:sc-dup .45s ease-out; }
@keyframes sc-hit{ 0%{ border-color:#3ddc97; box-shadow:0 0 0 999px rgba(20,140,90,.35); } 100%{} }
@keyframes sc-dup{ 0%{ border-color:#f0b43c; box-shadow:0 0 0 999px rgba(160,110,0,.3); } 100%{} }
.sc-batch{ margin-top:8px; }
.sc-bh{ display:flex; align-items:center; justify-content:space-between; gap:8px; font-size:.88rem; }
.sc-bh button{ min-height:34px; padding:6px 16px; }
.sc-blist{ max-height:38vh; overflow-y:auto; margin-top:4px; }
.sc-b-look .note{ color:var(--steel); }
.sc-b-ok > div > .note:first-of-type{ color:#07785a; }
.sc-b-have > div > .note:first-of-type{ color:#8a5a00; }
.sc-b-undone{ opacity:.5; }
.sc-ok{ background:#e3f6ef; color:#07785a; border-radius:8px; padding:10px; margin-top:10px; }
.wk-modal{ max-width:560px; }
.wk-head{ display:flex; align-items:baseline; gap:10px; }
.wk-head h3{ margin:0; font-family:var(--serif); font-size:1.4rem; }
#wk-count{ color:var(--steel); font-size:.85rem; }
.wk-where{ text-align:center; background:var(--navy); color:#fff8e8; border-radius:10px; padding:14px 12px; margin:12px 0 10px; }
.wk-room{ font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; opacity:.8; }
.wk-case{ font-family:var(--serif); font-size:1.35rem; margin:2px 0; }
.wk-spot{ font-size:1.05rem; font-weight:700; color:var(--gold); }
.wk-nb{ display:grid; grid-template-columns:1fr 1fr; gap:8px; font-size:.84rem; }
.wk-nb > div{ background:var(--paper); border-radius:8px; padding:8px 10px; }
.wk-nb span, .wk-what > span{ display:block; font-size:.7rem; text-transform:uppercase; letter-spacing:.06em; color:var(--steel); margin-bottom:2px; }
.wk-what{ margin:10px 0; padding:8px 10px; border:1px dashed var(--line); border-radius:8px; font-size:.86rem; }
.wk-sent{ margin-top:6px; color:#07785a; font-weight:600; font-size:.8rem; }
.wk-acts{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; margin:6px 0 10px; }
.wk-acts button{ padding:10px 6px; }
.wk-foot{ margin-top:14px; border-top:1px solid var(--line); padding-top:12px; }
.wk-shelfn{ font-size:.78rem; opacity:.8; margin-top:4px; }
.wk-next{ background:#fff1d6; color:#6b4a00; border-radius:8px; padding:8px 12px; margin-top:10px; font-size:.86rem; }
.walk-here{ float:right; min-height:28px; padding:3px 10px; font-size:.72rem; font-family:var(--sans); }
.wk-pr{ font-family:var(--serif); font-size:1.1rem; color:var(--navy); margin:12px 0 2px; border-bottom:1px solid var(--line); }
.wk-pc{ font-size:.74rem; text-transform:uppercase; letter-spacing:.06em; color:var(--steel); margin:8px 0 4px; }
.wk-ps{ display:inline-flex; gap:8px; align-items:center; background:var(--card); color:var(--navy); border:1px solid var(--line); border-radius:999px; padding:5px 12px; min-height:34px; margin:0 6px 6px 0; font-size:.82rem; }
.wk-ps:hover, .wk-ps:active{ background:#efe6d3; color:var(--navy); border-color:var(--navy); }
.wk-ps .n{ background:#fff1d6; color:#8a5a00; border-radius:999px; padding:0 7px; font-size:.72rem; }
.wk-done{ text-align:center; padding:20px 0; }
.wk-addbtn{ width:100%; margin-top:12px; border-style:dashed !important; }
.wa-h{ font-family:var(--serif); font-size:1.25rem; color:var(--navy); margin:10px 0 2px; }
.wa-grid{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; margin:8px 0; }
.wa-side{ display:flex; gap:6px; flex-wrap:wrap; margin:6px 0 4px; }
.wa-side button{ flex:1 1 30%; font-size:.8rem; padding:8px 6px; line-height:1.25; }
.wa-side button.secondary.on{ background:var(--navy); color:#fff8e8; border-color:var(--navy); }
.wa-ok{ background:#e6f4ee; color:#07583f; border-radius:8px; padding:8px 12px; margin:8px 0; font-size:.86rem; }
.wa-dup{ background:#fff1d6; border-radius:8px; padding:8px 10px; margin:8px 0; font-size:.86rem; }
.wa-dup .sc-m{ display:flex; justify-content:space-between; gap:8px; align-items:center; padding:6px 0; border-top:1px solid rgba(0,0,0,.08); }
@media (max-width:520px){
  .wa-grid{ grid-template-columns:1fr 1fr; }
  .wa-grid > div:first-child{ grid-column:1/-1; }
}
.un-walk-btn{ margin-top:4px; }