/* AuthorOS interface. Calm, literary, one dominant action per screen. All colour comes
   from tokens.css (three themes); this file only arranges and shapes. */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg-primary)}
body{margin:0;background:var(--bg-primary);background-image:var(--grid);background-size:32px 32px;color:var(--text-primary);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.15;margin:0;text-wrap:balance}
p{margin:0 0 .8em}
.eyebrow{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);font-weight:600}
.muted{color:var(--text-secondary)}
.small{font-size:.86rem}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
code{font-family:var(--mono);font-size:.88em;background:var(--surface-alpha);padding:1px 5px;border-radius:5px}

/* ---- shell: top bar, drawer, sidebar, tab bar, footer ------------------------------------ */
.top{position:sticky;top:0;z-index:20;background:var(--bg-primary);border-bottom:1px solid var(--border)}
.top .in{max-width:var(--shell-max);margin:0 auto;padding:8px 12px;display:flex;align-items:center;gap:10px;min-height:58px}
.brand{font-family:var(--serif);font-size:1.3rem;text-decoration:none;letter-spacing:.01em;display:inline-flex;align-items:center;gap:9px;color:var(--text-primary)}
.brand b{color:var(--accent-primary);font-weight:600}
.brand img{width:28px;height:28px;border-radius:7px;box-shadow:var(--cover-shadow);flex:0 0 auto}
.brandmark{gap:10px;min-width:0}
.brandmark-icon{width:34px;height:34px;border-radius:10px;background:var(--accent-primary);color:var(--accent-ink);display:grid;place-items:center;flex:none}
.brandmark-icon svg{width:20px;height:20px}
.brandmark-text{display:grid;line-height:1.05;min-width:0}
.brandmark-name{font-family:var(--serif);font-weight:400;font-size:1.18rem;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brandmark-tag{font:700 .72rem var(--sans);color:var(--accent-primary)}
.foot .brandmark-icon{width:26px;height:26px;border-radius:8px}.foot .brandmark-icon svg{width:16px;height:16px}
@media (max-width:380px){.brandmark-tag{display:none}.brandmark-name{font-size:1rem}}
.brand .tag{display:none;font:600 .62rem var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--text-muted);margin-left:8px;padding-left:12px;border-left:1px solid var(--border)}
.menubtn{width:44px;height:44px;margin-left:-6px;border:0;background:transparent;color:var(--text-primary);border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto}
.menubtn svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
.menubtn[aria-expanded="true"],.menubtn:hover{background:var(--accent-soft);color:var(--accent-primary)}
.topnav{display:none;gap:4px;margin-left:auto}
.topnav a,.tabbar a,.side a,.drawer a{text-decoration:none;color:var(--text-secondary);font-size:.85rem;font-weight:600;padding:8px 12px;border-radius:var(--radius-sm);transition:background var(--ease),color var(--ease)}
.topnav a:hover,.side a:hover,.drawer a:hover{color:var(--text-primary);background:var(--surface-alpha)}
.topnav a[aria-current],.tabbar a[aria-current],.side a[aria-current],.drawer a[aria-current]{color:var(--accent-primary);background:var(--accent-soft)}
.topnav a{position:relative}
.topnav a[aria-current]::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--accent-primary)}
.avatar{margin-left:auto;width:36px;height:36px;border-radius:50%;background:var(--surface-elevated);border:1px solid var(--border-strong);display:inline-flex;align-items:center;justify-content:center;font:600 .78rem var(--sans);letter-spacing:.04em;text-decoration:none;color:var(--text-primary);flex:0 0 auto}
.avatar[aria-current]{border-color:var(--accent-primary);color:var(--accent-primary)}
.topnav + .avatar{margin-left:6px}
.app{flex:1;display:flex;width:100%;max-width:var(--shell-max);margin:0 auto}
.side{display:none}
.side .grp,.drawer .grp{display:grid;gap:2px;margin-bottom:18px}
.side .grp .eyebrow,.drawer .grp .eyebrow{padding:0 12px 6px}
.side a,.drawer a{display:flex;align-items:center;gap:10px;padding:9px 12px}
.side svg,.tabbar svg,.drawer svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6;flex:0 0 auto}
main{flex:1;width:100%;min-width:0;max-width:var(--content-max);margin:0 auto;padding:22px 16px 32px}
/* the drawer: small screens; the scrim closes it */
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:30;display:none}
.drawer{position:fixed;top:0;bottom:0;left:0;width:min(84vw,20rem);background:var(--bg-primary);border-right:1px solid var(--border);box-shadow:var(--shadow);z-index:31;transform:translateX(-104%);transition:transform 220ms ease;overflow:auto;padding:8px 12px calc(20px + env(safe-area-inset-bottom));display:flex;flex-direction:column}
.drawer .dhead{display:flex;align-items:center;justify-content:space-between;min-height:48px;margin-bottom:10px;padding-left:4px}
.drawer a{font-size:.95rem;min-height:44px}
.drawer .dfoot{margin:auto 0 0;padding:14px 12px 0;font-size:.8rem;color:var(--text-muted);border-top:1px solid var(--border)}
.menu-open{overflow:hidden}
.menu-open .scrim{display:block}
.menu-open .drawer{transform:none}
/* the footer */
.foot{border-top:1px solid var(--border);margin-top:auto;padding-bottom:calc(74px + env(safe-area-inset-bottom))}
.foot .in{max-width:var(--shell-max);margin:0 auto;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem;color:var(--text-secondary)}
.foot .brand{font-size:1rem}
.foot .brand img{width:20px;height:20px;border-radius:5px;box-shadow:none}
.foot .powered{font-weight:600;text-decoration:none;color:var(--text-secondary);padding:8px 0}
.foot .powered:hover{color:var(--accent-primary)}
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--bg-primary);border-top:1px solid var(--border);display:grid;grid-auto-flow:column;grid-auto-columns:1fr;padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
.tabbar a{text-align:center;padding:8px 4px;font-size:.7rem;display:flex;flex-direction:column;align-items:center;gap:3px;min-height:44px}
.tabbar svg{width:22px;height:22px}
@media (min-width:760px){ .menubtn,.drawer,.scrim{display:none} .topnav{display:flex;flex-wrap:wrap;justify-content:flex-end} .tabbar{display:none} .foot{padding-bottom:0} main{padding-bottom:40px} }
@media (min-width:760px) and (max-width:1023px){ .topnav a{padding:8px 9px;font-size:.8rem} }
@media (min-width:1024px){ .brand .tag{display:inline} }
html{overflow-x:hidden}
@media (min-width:1024px){
  .has-side .topnav{display:none}
  .has-side .side{display:flex;flex-direction:column;position:fixed;top:59px;bottom:0;left:max(0px,calc(50% - var(--shell-max) / 2));width:var(--sidebar);overflow:auto;padding:22px 12px 22px 16px;border-right:1px solid var(--border);background:var(--bg-primary);z-index:4}
  .has-side .app{padding-left:var(--sidebar)}
  .has-side main{max-width:none;padding:28px 32px 48px}
  .has-side .foot .in{padding-left:calc(var(--sidebar) + 32px)}
}

/* ---- components --------------------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text-primary);font:600 .95rem var(--sans);text-decoration:none;cursor:pointer;transition:background var(--ease),border-color var(--ease)}
.btn:hover{background:var(--surface-elevated)}
.btn.primary{background:var(--accent-primary);color:var(--accent-ink);border-color:var(--accent-primary);box-shadow:var(--glow)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.quiet{background:transparent;border-color:transparent;color:var(--text-secondary)}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:default}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--glow)}
.card.elevated{background:var(--surface-elevated);box-shadow:var(--shadow)}
.field{display:grid;gap:6px;margin:0 0 14px}
.field label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}
.field input,.field textarea,.field select,.select{font:1rem var(--sans);padding:12px 14px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-primary);min-height:44px;max-width:100%;box-sizing:border-box}
.field input,.field textarea,.field select{width:100%}
.field input[type=file]{padding:9px 12px;font-size:.9rem}
.select{padding:10px}
textarea{width:100%;max-width:100%;font:1rem/1.5 var(--sans);padding:12px 14px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-primary)}
.toc a>span,.toc li>span>span{min-width:0;overflow-wrap:anywhere}
.card{min-width:0;overflow-wrap:anywhere}
.row>*{min-width:0}
img,svg,video,canvas{max-width:100%}
.alert{padding:12px 14px;border-radius:var(--radius-sm);font-size:.92rem;margin:0 0 14px;border:1px solid var(--border-strong);background:var(--surface)}
.alert.bad{border-color:var(--danger);color:var(--danger)}
.alert.ok{border-color:var(--success);color:var(--success)}
.chip{display:inline-block;align-self:flex-start;line-height:1.4;white-space:nowrap;font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:var(--radius-pill);background:var(--accent-soft);color:var(--accent-primary)}
.chip.draft{background:transparent;border:1px solid var(--border-strong);color:var(--text-secondary)}
.chip.published,.chip.ok{background:transparent;border:1px solid var(--success);color:var(--success)}
.chip.warn{background:transparent;border:1px solid var(--warning);color:var(--warning)}
.chip.bad{background:transparent;border:1px solid var(--danger);color:var(--danger)}
.chip.ai{background:var(--accent-secondary-soft);color:var(--accent-secondary)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--text-muted);vertical-align:middle;margin-right:6px}
.dot.ok{background:var(--success)} .dot.warn{background:var(--warning)} .dot.bad{background:var(--danger)} .dot.ai{background:var(--accent-secondary)}
.progress{height:6px;background:var(--border);border-radius:var(--radius-pill);overflow:hidden}
.progress i{display:block;height:100%;background:var(--accent-primary);border-radius:var(--radius-pill);transition:width 400ms ease}
.ring{--p:0;width:64px;height:64px;border-radius:50%;background:conic-gradient(var(--accent-primary) calc(var(--p) * 1%), var(--border) 0);display:grid;place-items:center;font:600 .8rem var(--sans);font-variant-numeric:tabular-nums}
.ring i{width:50px;height:50px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font-style:normal}
hr.hair{border:0;border-top:1px solid var(--accent-primary);opacity:.45;margin:1.6rem 0}
.empty{text-align:center;padding:36px 18px;border:1px dashed var(--border-strong);border-radius:var(--radius);color:var(--text-secondary)}
.empty h3{font-size:1.25rem;margin-bottom:6px;color:var(--text-primary)}
.empty .btn{margin-top:12px}
.skeleton{background:linear-gradient(90deg,var(--surface) 25%,var(--surface-elevated) 50%,var(--surface) 75%);background-size:200% 100%;animation:shimmer 1.4s linear infinite;border-radius:6px;min-height:1em}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}
.stat{display:grid;gap:4px;text-decoration:none}
.stat .v{font-family:var(--serif);font-size:1.7rem;line-height:1;font-variant-numeric:tabular-nums}
.stat .k{font-size:.8rem;color:var(--text-secondary)}
.grid2{display:grid;gap:14px}
@media (min-width:760px){ .grid2{grid-template-columns:1fr 1fr} }
.quote{font-family:var(--serif);font-style:italic;font-size:1.15rem;color:var(--text-secondary);border-left:2px solid var(--accent-primary);padding-left:14px;margin:0}
.ai{border-left:3px solid var(--accent-secondary)}
.ai .eyebrow{color:var(--accent-secondary)}

/* ---- login ---------------------------------------------------------------------------- */
.login{max-width:24rem;margin:6vh auto 0;padding:0 4px}
.login .mark{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.login .mark img{width:48px;height:48px;border-radius:12px;box-shadow:var(--cover-shadow)}
.login .mark b{font-family:var(--serif);font-size:1.6rem;font-weight:500}
.login .mark b span{color:var(--accent-primary);font-weight:600}
.login h1{font-size:2.1rem;margin-bottom:.35rem}
.login .lede{font-family:var(--serif);font-style:italic;color:var(--text-secondary);margin-bottom:22px}
.login .foot{margin-top:28px;font-size:.78rem;color:var(--text-muted);letter-spacing:.12em;text-transform:uppercase}

/* ---- library ---------------------------------------------------------------------------- */
.greet{font-family:var(--serif);font-size:1.9rem;margin:6px 0 4px}
.sub{color:var(--text-secondary);margin:0 0 18px}
.section{margin:26px 0}
.section h2{font-size:1.15rem;margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.section h2 .more{float:right;font:600 .8rem var(--sans);color:var(--text-secondary);text-decoration:none;padding-top:4px}
.continue{display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center}
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:18px 14px}
.bookcard{text-decoration:none;display:grid;gap:8px}
.bookcard .t{font-family:var(--serif);font-size:1rem;line-height:1.2}
.bookcard .s{font-size:.75rem;color:var(--text-secondary)}
.cover{aspect-ratio:2/3;border-radius:6px;position:relative;overflow:hidden;box-shadow:var(--cover-shadow),inset 0 0 0 1px var(--surface-alpha);background:var(--cover-paper);color:var(--cover-ink);display:grid;grid-template-rows:auto 1fr auto;padding:9% 8%;container-type:inline-size}
.cover .series{font:600 clamp(.3rem,4.2cqw,.42rem)/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase;text-align:center}
.cover .title{font:600 clamp(.42rem,9.5cqw,1.1rem)/1.05 var(--sans);text-transform:uppercase;text-align:center;align-self:center;letter-spacing:.01em;text-wrap:balance;overflow-wrap:anywhere}
.cover .band{position:absolute;left:0;right:0;top:46%;height:34%;z-index:0;opacity:.95}
.cover .title,.cover .series,.cover .author{position:relative;z-index:1}
.cover .author{font:600 clamp(.3rem,4.2cqw,.42rem)/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;text-align:center}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover.sm{border-radius:4px}

/* ---- book page ---------------------------------------------------------------------------- */
.bookhero{display:grid;grid-template-columns:132px 1fr;gap:20px;align-items:start}
.bookhero h1{font-size:1.8rem}
.actions{display:grid;gap:10px;margin:18px 0}
.toc{list-style:none;margin:0;padding:0}
.toc li{border-bottom:1px solid var(--border)}
.toc a{display:flex;gap:12px;padding:12px 4px;text-decoration:none;align-items:baseline;min-height:44px}
.toc .n{font-variant-numeric:tabular-nums;color:var(--text-secondary);min-width:2.2rem;font-size:.85rem}
.toc .part{padding:16px 4px 6px;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-primary);font-weight:700}
.toc .fm{color:var(--text-secondary);font-style:italic}

/* ---- reader --------------------------------------------------------------------------------- */
.reading{background:var(--read-bg);color:var(--read-ink)}
.readerbar{position:sticky;top:0;z-index:6;background:var(--read-bg);border-bottom:1px solid var(--read-rule);transition:transform 220ms ease}
.readerbar.hide{transform:translateY(-100%)}
.readerbar .in{max-width:var(--content-max);margin:0 auto;padding:8px 12px;display:flex;align-items:center;gap:8px}
.readerbar .title{flex:1;min-width:0;font:600 .85rem var(--sans);color:var(--read-ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ibtn{min-width:44px;min-height:44px;border:0;background:transparent;color:inherit;border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;text-decoration:none}
.ibtn svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}
.ibtn[aria-pressed="true"]{color:var(--read-accent);background:var(--accent-soft)}
.read{max-width:38rem;margin:0 auto;padding:28px 18px 120px;font-family:var(--serif);font-size:var(--read-size);line-height:var(--read-lh)}
.read .chlabel{font:600 .72rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--read-accent);text-align:center}
.read h1{font-size:2rem;text-align:center;margin:.5rem 0 .4rem}
.read .orn{text-align:center;color:var(--read-accent);margin:.4rem 0 1.6rem;letter-spacing:.4em}
.read p{margin:0 0 1em;text-align:left;hyphens:auto}
.read h2{font-size:1.35rem;margin:1.8em 0 .5em}
.read h3{font-size:1.1rem;margin:1.4em 0 .4em;font-style:italic}
.read blockquote.scripture{margin:1.2em 1.2em;padding:0 0 0 1em;border-left:2px solid var(--read-accent);font-style:italic}
.read blockquote.scripture cite{display:block;text-align:right;font-style:normal;font-variant:small-caps;font-size:.9em;color:var(--read-ink-2);margin-top:.3em}
.read .tbl{overflow-x:auto;margin:1.2em 0;font-family:var(--sans);font-size:.85rem}
.read table{border-collapse:collapse;width:100%;min-width:420px}
.read th,.read td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--read-rule);vertical-align:top}
.read th{font-weight:600;border-bottom:2px solid var(--read-rule)}
.read hr{border:0;text-align:center;margin:1.6em 0;color:var(--read-accent)}
.read hr::after{content:"✦  ✦  ✦";letter-spacing:.3em;font-size:.7em}
.read ul,.read ol{padding-left:1.4em}
.pager{max-width:38rem;margin:0 auto;padding:0 18px 40px;display:flex;justify-content:space-between;gap:12px;font-family:var(--sans)}
.pager a{flex:1;text-decoration:none;border:1px solid var(--read-rule);border-radius:var(--radius-sm);padding:12px 14px;display:grid;gap:2px}
.pager .k{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--read-ink-2)}
.pager .v{font-family:var(--serif);font-size:1rem}
.pager a.next{text-align:right}
.rprog{position:fixed;left:0;right:0;top:0;height:3px;background:transparent;z-index:7}
.rprog i{display:block;height:100%;background:var(--read-accent);width:0}
.sheet{position:fixed;left:0;right:0;bottom:0;background:var(--read-bg);color:var(--read-ink);border-top:1px solid var(--read-rule);padding:16px 18px calc(18px + env(safe-area-inset-bottom));z-index:8;box-shadow:var(--shadow);display:none}
.sheet[open]{display:block}
.sheet .row{justify-content:space-between}
.seg{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden}
.seg button{border:0;background:transparent;color:inherit;padding:10px 14px;font:600 .9rem var(--sans);cursor:pointer;min-width:44px;min-height:44px}
.seg button[aria-pressed="true"]{background:var(--accent-primary);color:var(--accent-ink)}

/* ---- pdf ---------------------------------------------------------------------------------- */
.pdfwrap{height:calc(100vh - 56px);display:flex;flex-direction:column}
.pdfwrap object,.pdfwrap iframe{flex:1;width:100%;border:0;background:var(--bg-secondary)}

/* ---- search: bar, live suggestions, grouped hits, highlights in the page ----------------------- */
.searchbar{display:flex;gap:10px;align-items:flex-start;margin-bottom:18px}
.searchbar .field{flex:1;min-width:0;margin:0;position:relative}
.searchbar .btn span{display:none}
@media (min-width:520px){ .searchbar .btn span{display:inline} }
.sugg{position:absolute;left:0;right:0;top:calc(100% + 4px);margin:0;padding:6px;list-style:none;background:var(--surface-elevated);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow);z-index:15;max-height:22rem;overflow:auto}
.sugg li{display:grid;gap:1px;padding:9px 12px;border-radius:var(--radius-sm);cursor:pointer}
.sugg .l{font-weight:600}
.sugg .k{font-size:.75rem;color:var(--text-secondary)}
.sugg li[aria-selected="true"],.sugg li:hover{background:var(--accent-soft)}
.hits{margin:18px 0}
.hits h2{font-size:1.05rem;margin:0 0 4px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.dym{margin:0 0 12px;font-size:.95rem}
.dym a{color:var(--accent-primary)}
.hit{display:block;text-decoration:none;padding:12px 4px;border-bottom:1px solid var(--border)}
.hit:hover .c{color:var(--accent-primary)}
.hit .b{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-primary);font-weight:700}
.hit .c{font-family:var(--serif);font-size:1.05rem}
.hit .s{font-size:.9rem;color:var(--text-secondary)}
.hit mark,.hit .c mark{background:var(--accent-soft);color:inherit;padding:0 2px;border-radius:2px}
mark.hl{background:var(--accent-soft);color:inherit;box-shadow:0 0 0 2px var(--accent-soft);border-radius:2px}
mark.hl.cur{background:var(--accent-primary);color:var(--accent-ink);box-shadow:none}
.hlnav{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom));z-index:12;display:flex;align-items:center;gap:2px;padding:4px 6px 4px 14px;background:var(--surface-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-pill);box-shadow:var(--shadow);font:600 .82rem var(--sans);color:var(--text-primary);white-space:nowrap}
.hlnav button{min-width:36px;min-height:36px;border:0;background:transparent;color:inherit;border-radius:50%;cursor:pointer;font:inherit}
.hlnav button:hover{background:var(--accent-soft)}
.reading .hlnav{bottom:calc(20px + env(safe-area-inset-bottom))}
@media (min-width:760px){ .hlnav{bottom:24px} }

/* ---- the guide ---------------------------------------------------------------------------------- */
.advice{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.advice li{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.advice .dot{margin:7px 0 0;flex:0 0 auto}
.advice a{font-weight:600;color:var(--accent-primary);text-decoration:none;white-space:nowrap;margin-left:4px}
.gindex{display:grid;gap:6px;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));margin:18px 0 8px}
.gindex a{display:flex;gap:10px;align-items:center;text-decoration:none;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;color:var(--text-secondary);background:var(--surface)}
.gindex a:hover{color:var(--text-primary);border-color:var(--border-strong)}
.gindex .n,.guide h2 .n{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent-primary);font:600 .78rem var(--sans);flex:0 0 auto}
.guide{scroll-margin-top:72px}
.guide h2{display:flex;gap:10px;align-items:center;font-size:1.35rem;border:0;padding:0;margin-bottom:8px}
.guide .lede{font-family:var(--serif);font-size:1.1rem;color:var(--text-secondary);max-width:62ch}
.dl.ww{grid-template-columns:max-content 1fr;margin:8px 0 14px;font-size:.9rem}
.gsteps{list-style:none;margin:0;padding:0;counter-reset:g}
.gsteps>li{counter-increment:g;position:relative;padding:0 0 18px 30px;border-left:1px solid var(--border);margin-left:13px}
.gsteps>li::before{content:counter(g);position:absolute;left:-14px;top:0;width:27px;height:27px;border-radius:50%;background:var(--bg-primary);border:1px solid var(--border-strong);display:grid;place-items:center;font:600 .78rem var(--sans);color:var(--text-secondary)}
.gsteps>li:last-child{border-left-color:transparent}
.gsteps p{margin:0 0 8px;padding-top:3px}
.gsteps p a{color:var(--accent-primary);font-weight:600;text-decoration:none}
.say{margin:6px 0 10px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg-secondary);overflow:hidden}
.say .h,.say summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:5px 6px 5px 14px;font:600 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border)}
.say summary{cursor:pointer;list-style:none;text-transform:none;letter-spacing:0;font-size:.9rem;color:var(--text-primary)}
.say summary::-webkit-details-marker{display:none}
.say .txt{padding:12px 14px;font-family:var(--serif);font-size:1.05rem;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}
.say .copy{min-height:34px;padding:0 12px;font-size:.8rem;color:var(--accent-primary)}
.say .copy[data-done]{color:var(--success)}
.expect,.check{font-size:.9rem;color:var(--text-secondary)}
.expect b,.check b,.assist b{display:inline-block;font:600 .68rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--accent-secondary);margin-right:6px}
.check b{color:var(--success)}
.assist{border-top:1px dashed var(--border);padding-top:10px}

/* ---- rendered documents: skills, instruction files, briefs, memory, session items --------------- */
.doc{font-family:var(--serif);font-size:1.02rem;line-height:1.6;overflow-wrap:anywhere}
.doc h2{font-size:1.25rem;margin:1.2em 0 .4em;padding:0;border:0}
.doc h3{font-size:1.05rem;margin:1em 0 .3em;font-style:italic}
.doc>h2:first-child,.doc>.eyebrow+h2{margin-top:.2em}
.doc p{margin:0 0 .8em}
.doc ul,.doc ol{padding-left:1.4em;margin:0 0 .8em}
.doc li{margin:0 0 .25em}
.doc blockquote{margin:.8em 1em;padding:0 0 0 1em;border-left:2px solid var(--accent-primary);font-style:italic}
.doc blockquote cite{display:block;text-align:right;font-style:normal;font-variant:small-caps;font-size:.9em;color:var(--text-secondary)}
.doc .tbl{overflow-x:auto;margin:1em 0;font-family:var(--sans);font-size:.85rem}
.doc table{border-collapse:collapse;width:100%}
.doc th,.doc td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--border);vertical-align:top}
.doc hr{border:0;border-top:1px solid var(--border);margin:1.2em 0}
.doc pre.code{font:.82rem/1.5 var(--mono);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;overflow:auto;white-space:pre-wrap;margin:0 0 1em}
.doc .fm{font-family:var(--sans);font-size:.85rem;margin:0 0 14px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary)}
.doc .eyebrow{font-family:var(--sans)}
.diff{font:.8rem/1.45 var(--mono);white-space:pre-wrap;margin:8px 0 0;overflow-x:auto;display:grid}
.diff .add{color:var(--success)} .diff .del{color:var(--danger)}

/* ---- theme picker (Me) ---------------------------------------------------------------------- */
.themes{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.themeopt{cursor:pointer;border:1px solid var(--border-strong);border-radius:var(--radius);padding:12px;display:grid;gap:8px;background:var(--surface)}
.themeopt:has(input:checked){border-color:var(--accent-primary);box-shadow:0 0 0 1px var(--accent-primary)}
.themeopt input{position:absolute;opacity:0;width:1px;height:1px}
.themeopt .sw{height:44px;border-radius:8px;border:1px solid var(--surface-alpha);display:flex;align-items:flex-end;padding:6px;gap:5px}
.themeopt .sw i{display:block;width:16px;height:16px;border-radius:4px}
.themeopt b{font:600 .9rem var(--sans)}
.themeopt small{color:var(--text-secondary)}

/* ---- files and covers ---------------------------------------------------------------------- */
.coverstage{display:grid;grid-template-columns:minmax(140px,220px) 1fr;gap:20px;align-items:start}
.cover.lg{max-width:220px}
.filecard{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start}
.filethumb{width:100%;border-radius:4px;box-shadow:var(--cover-shadow);background:var(--surface)}
.spread{display:grid;grid-template-columns:1fr auto 1fr;gap:6px;align-items:end;overflow-x:auto}
.spread figure{margin:0;text-align:center;min-width:0}
.spread img{max-width:100%;height:auto;max-height:60vh;border-radius:4px;box-shadow:var(--cover-shadow)}
.dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0}
.dl dt{color:var(--text-secondary);font-size:.85rem}
.dl dd{margin:0}
.uploadbar{margin:8px 0}
@media (max-width:520px){ .coverstage{grid-template-columns:120px 1fr} .dl{grid-template-columns:1fr} }

/* ---- production ---------------------------------------------------------------------------- */
.prodgrid{display:grid;gap:0 24px}
@media (min-width:900px){ .prodgrid{grid-template-columns:1fr 1fr} }
.findings{list-style:none;margin:8px 0 0;padding:0;font-size:.9rem}
.findings li{padding:6px 0;border-bottom:1px solid var(--border)}
.logbox{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;font:.8rem/1.45 var(--mono);white-space:pre-wrap;word-break:break-word;max-height:24rem;overflow:auto}
.pipeline{display:grid;gap:0;counter-reset:st}
.pipeline .st{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--border)}
.pipeline .st::before{counter-increment:st;content:counter(st);width:28px;height:28px;border-radius:50%;border:1px solid var(--border-strong);display:grid;place-items:center;font:600 .78rem var(--sans);color:var(--text-secondary)}
.pipeline .st.done::before{background:var(--success);border-color:var(--success);color:var(--accent-ink)}
.pipeline .st.now::before{border-color:var(--accent-primary);color:var(--accent-primary)}

/* ---- progressive disclosure, wizard, gaps, timeline, pdf ------------------------------------ */
.more{margin:8px 0 18px}
.more>summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font:600 .9rem var(--sans);color:var(--text-secondary)}
.more>summary::-webkit-details-marker{display:none}
.more>summary::after{content:"▾";font-size:.8em}
.more[open]>summary::after{content:"▴"}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.steps{list-style:none;display:flex;gap:6px;padding:0;margin:0 0 16px;counter-reset:s}
.steps li{counter-increment:s;flex:1;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);padding-top:8px;border-top:2px solid var(--border)}
.steps li[aria-current]{color:var(--accent-primary);border-top-color:var(--accent-primary)}
.steps li.done{border-top-color:var(--success);color:var(--text-secondary)}
.choices{display:grid;gap:8px}
.choice{display:flex;align-items:center;gap:12px;min-height:48px;padding:0 14px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;background:var(--bg-secondary)}
.choice:has(input:checked){border-color:var(--accent-primary);background:var(--accent-soft)}
.choice input{accent-color:var(--accent-primary)}
.pcard{display:grid;grid-template-columns:88px 1fr;gap:16px;align-items:start}
.gap>summary{cursor:pointer;list-style:none}
.gap>summary::-webkit-details-marker{display:none}
.gap[open]>summary .btn{display:none}
.approval{margin-top:8px}
.timeline{list-style:none;margin:0;padding:0 0 0 14px;border-left:2px solid var(--border)}
.timeline li{position:relative;padding:0 0 14px 16px;display:grid;gap:2px}
.timeline li::before{content:"";position:absolute;left:-21px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--border-strong)}
.timeline li:first-child::before{background:var(--accent-primary)}
.timeline .n{font:600 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}
.timeline .v{font-family:var(--serif);font-size:1.05rem}
.pdfbar .pages{display:inline-flex;align-items:center;gap:4px;color:var(--read-ink-2);font-variant-numeric:tabular-nums}
.pdfbar .pages input{width:3.6rem;min-height:36px;padding:4px 6px;font:inherit;text-align:center;border:1px solid var(--read-rule);border-radius:6px;background:transparent;color:inherit}
.pdfstage{height:calc(100vh - 58px);display:flex;flex-direction:column}
.pdfscroll{flex:1;overflow:auto;padding:12px}
.pdfpages{display:grid;gap:12px;justify-items:center}
.pdfpage canvas{box-shadow:var(--cover-shadow);background:var(--cover-paper);border-radius:2px}
.pdfpage{width:100%;display:flex;justify-content:center}
:fullscreen .pdfstage{height:100vh}
@media (max-width:480px){ .pdfbar #full{display:none} .pdfbar .in{gap:2px;padding:6px 4px} }

/* ---- tablet: two columns where a second column carries its own weight ------------------------ */
@media (min-width:760px) and (max-width:1023px){
  .actions{grid-template-columns:1fr 1fr}
  .actions .primary,.actions form,.actions .empty,.actions p{grid-column:1/-1}
  .bookhero{grid-template-columns:160px 1fr}
  .pcard{grid-template-columns:110px 1fr}
  .themes{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:760px){
  .continue{grid-template-columns:120px 1fr}
  .steps li{font-size:.74rem}
}

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

/* ---- a row of facts with actions at the end ---------------------------------------------- */
/* Version histories, file lists and the like: a label, a name that can be long, some chips and
   a small form. Hand-rolled flex rows squeezed the name to one letter a line on a phone, so the
   row wraps and the name is allowed to shrink and break instead. */
.filerow{display:flex;gap:12px;padding:10px 4px;align-items:center;flex-wrap:wrap}
.filerow>.n{flex:0 0 auto}
.grow{flex:1 1 14rem;min-width:0;overflow-wrap:anywhere}
.filerow form{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-left:auto}
.filerow form input{flex:1 1 8rem;min-width:8rem}
.filerow .btn{min-height:36px}
@media (max-width:520px){
  .filerow{align-items:flex-start}
  .filerow form{margin-left:0;width:100%}
  .filerow form .btn{flex:0 0 auto}
}

/* ---- viewing a picture or a PDF ---------------------------------------------------------- */
/* Everything visual opens over the page in a dialog, so it can always be shut: the close button,
   Escape, or a click on the backdrop. Before this a cover filled the page with no way back and a
   PDF in an <object> ate the scroll on a phone.
   The dialog is the backdrop; .lb-panel is the box, and it is what the three parts stack in. */
.lb{position:fixed;inset:0;width:100%;height:100%;max-width:none;max-height:none;margin:0;padding:0;border:0;background:transparent;overflow:hidden}
.lb::backdrop{background:var(--scrim)}
.lb[open]{display:flex;align-items:center;justify-content:center}
.lb-panel{display:flex;flex-direction:column;width:min(96vw,1120px);max-height:94vh;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.lb-bar{display:flex;gap:8px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--border);flex:0 0 auto}
.lb-t{flex:1;min-width:0;font-weight:600;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-body{flex:1 1 auto;min-height:0;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;
  height:min(74vh,860px);overflow:auto;padding:10px}
.lb-body img{max-width:100%;max-height:100%;object-fit:contain;border-radius:var(--radius-sm);box-shadow:var(--cover-shadow);cursor:zoom-in}
.lb-body img.zoom{max-width:none;max-height:none;width:auto;cursor:zoom-out}
.lb-body iframe{width:100%;height:100%;min-height:60vh;border:0;background:var(--cover-paper);border-radius:var(--radius-sm)}
.lb-foot{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:8px 12px;border-top:1px solid var(--border);flex:0 0 auto}
.lb-cap{flex:1;text-align:center}
/* .btn sets its own display, which would beat the browser rule for a hidden element */
.lb [hidden]{display:none}
body.lb-open{overflow:hidden}
[data-lb]{cursor:zoom-in}
@media (max-width:560px){
  .lb-panel{width:100vw;max-height:100vh;height:100%;border:0;border-radius:0}
  .lb-body{height:auto}
}
@media (prefers-reduced-motion:no-preference){
  .lb[open] .lb-panel{animation:lbin 140ms ease}
  @keyframes lbin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
}

/* ---- signing in with Google -------------------------------------------------------------- */
.btn.google{display:flex;align-items:center;justify-content:center;gap:10px;min-height:46px;font-weight:600;
  background:var(--surface-elevated);border-color:var(--border-strong)}
.btn.google svg{flex:0 0 auto}
.btn.google.busy{opacity:.6;pointer-events:none}
.login .or{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--text-muted);font-size:.8rem}
.login .or::before,.login .or::after{content:"";flex:1;height:1px;background:var(--border)}
.check{display:flex;align-items:center;gap:8px;margin:2px 0 12px;font-size:.9rem;color:var(--text-secondary)}
.check input{width:1rem;height:1rem;accent-color:var(--accent-primary)}

/* ---- a book that is not open to you ------------------------------------------------------- */
.gate{margin-top:28px;border-color:var(--accent-primary)}
.gate h2{font-size:1.2rem;margin:6px 0 8px}
.chip.locked{background:var(--surface-alpha);color:var(--text-muted);border:1px solid var(--border)}
.chip.free{background:var(--accent-secondary-soft);color:var(--accent-secondary)}

/* a bounded preview on a file page: it shows what the file is, and opens over the page */
.preview{position:relative;margin:0 0 16px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px;max-height:60vh;overflow:hidden;cursor:zoom-in}
.preview img{max-width:100%;max-height:calc(60vh - 28px);object-fit:contain;border-radius:var(--radius-sm);box-shadow:var(--cover-shadow)}
.preview figcaption{position:absolute;right:10px;bottom:10px;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--accent-primary);color:var(--accent-ink);font-size:.78rem;font-weight:600;letter-spacing:.02em}
.preview:hover figcaption,.preview:focus-visible figcaption{filter:brightness(1.08)}
.preview:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}
.pdfmark{display:flex;flex-direction:column;align-items:center;gap:4px;padding:34px 0;color:var(--text-secondary)}
.pdfmark svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round}
.pdfmark b{font-size:.9rem;letter-spacing:.08em}
.pdfmark small{color:var(--text-muted);font-size:.78rem}

/* a chapter a member may not open: still visible, plainly shut */
.toc a.shut{opacity:.55}
.toc a.shut:hover{background:transparent}

/* ---- an instruction list on the connect-an-assistant page -------------------------------- */
.howto{margin:8px 0 4px;padding-left:1.4rem}
.howto li{margin:6px 0;line-height:1.5}
.howto li::marker{color:var(--accent-primary);font-weight:600}
.ticks{list-style:none;margin:8px 0 4px;padding:0}
.ticks li{position:relative;padding-left:1.6rem;margin:8px 0;line-height:1.5}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent-secondary);font-weight:700}
/* single sign-on with the bookshelf, on the sign-in page */
.login .mark.brandmark{gap:12px}
.login .mark .brandmark-icon{width:44px;height:44px;border-radius:12px}
.login .mark .brandmark-icon svg{width:24px;height:24px}
.login .mark .brandmark-name{font-size:1.5rem}
.btn.sso{display:flex;align-items:center;justify-content:center;gap:10px;min-height:46px;font-weight:600;text-decoration:none}