/* Build My Dental Office — architect workspace and guest view.
   Same tokens as the public site (docs/design/VISUAL-DIRECTION.md): a precise review desk —
   hairlines, square corners, one action colour, editorial serif headings. */

:root{
  --canvas:#f6f3ee; --paper:#faf8f5; --ink:#16202b; --muted:#5c6672;
  --action:#1f3348; --action-ink:#faf8f5; --line:#dcd6cc;
  --sand:#b08258; --sand-ink:#8a6135; --moss:#6f8f6a; --moss-ink:#4a6b4d;
  --danger-ink:#8a3b35; --danger-bg:#f7e9e6;
  --serif:Georgia,"Iowan Old Style","Palatino Linotype",serif;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--canvas);color:var(--ink);font:15px/1.6 var(--sans);min-height:100vh}
img{max-width:100%}
a{color:inherit}
button{font:inherit;cursor:pointer;background:none;color:inherit;border:0;padding:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--action);outline-offset:2px}
h1,h2,h3,p{margin:0}
[hidden]{display:none!important}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.small{font-size:13px;line-height:1.6;color:var(--muted)}

/* ---- top bar */
/* Demonstration data. Sticky under the topbar so it is in frame in any screenshot of any page —
   a notice that scrolls away is a notice that is absent from the screenshot that gets forwarded. */
.demo-strip{background:#2a1e14;color:#f0e6da;border-bottom:2px solid var(--sand);position:sticky;top:64px;z-index:4}
.demo-strip .inner{max-width:1180px;margin:0 auto;padding:9px 24px;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;font-size:13px;line-height:1.45}
.demo-strip b{letter-spacing:.06em;text-transform:uppercase;font-size:11px;color:var(--sand)}
.demo-strip a{color:#f0e6da;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
.demo-strip .meta{font:11px var(--mono);color:#b3a494}
@media (max-width:720px){.demo-strip{position:static}}
.topbar{border-bottom:1px solid var(--line);background:var(--canvas);position:sticky;top:0;z-index:5}
.topbar .inner{max-width:1180px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:24px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:12px;line-height:1.3;letter-spacing:.01em}
.brand .monogram{font:400 26px/1 var(--serif);border-right:1px solid var(--line);padding-right:12px}
.brand .firm{font-family:var(--mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em}
.topnav{display:flex;gap:22px;margin-left:auto;font-size:13px}
.topnav a{text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.topnav a.on{border-bottom-color:var(--action)}
.topnav a:hover{color:var(--action)}
.who{font:11px var(--mono);color:var(--muted);display:flex;gap:14px;align-items:center}
.who a{color:var(--sand-ink);text-decoration:none}
.menu{display:none}
@media (max-width:760px){
  .topbar .inner{padding:0 16px;gap:12px}
  .topnav,.who{display:none}
  .menu{display:block;margin-left:auto}
  .menu summary{list-style:none;cursor:pointer;font:12px var(--mono);padding:8px 10px;border:1px solid var(--line);text-transform:uppercase;letter-spacing:.1em}
  .menu summary::-webkit-details-marker{display:none}
  .menu[open] .sheet{display:flex}
  .sheet{display:none;position:absolute;left:0;right:0;top:64px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px 16px}
  .sheet a{padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:15px}
  .sheet a:last-child{border-bottom:0}
  .sheet .who-m{font:11px var(--mono);color:var(--muted);padding:12px 0 4px}
}

/* ---- page frame */
main{max-width:1180px;margin:0 auto;padding:32px 24px 64px}
@media (max-width:760px){main{padding:20px 16px 48px}}
.page-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.eyebrow{font:11px var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:8px}
.eyebrow-rule{width:36px;height:2px;background:var(--moss);margin:0 0 14px}
h1{font:clamp(28px,3.6vw,40px)/1.1 var(--serif);letter-spacing:-.02em;text-wrap:balance}
h2{font:22px/1.25 var(--serif);letter-spacing:-.01em}
h3{font:17px/1.3 var(--serif)}
.sub{font:12px var(--mono);color:var(--muted);margin-top:6px}
.crumbs{font:12px var(--mono);color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--action);text-decoration:none}

/* ---- buttons & badges */
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px;background:var(--action);border:1px solid var(--action);color:var(--action-ink);font:500 13px var(--sans);text-decoration:none;line-height:1;min-height:42px;white-space:nowrap}
.button:hover{filter:brightness(1.12)}
.button.quiet{background:transparent;color:var(--action)}
.button.danger{background:transparent;border-color:var(--line);color:var(--danger-ink)}
.button.small{padding:8px 12px;min-height:34px;font-size:12px}
.button:disabled{opacity:.5;cursor:not-allowed;filter:none}
.badge{display:inline-block;padding:5px 9px;border:1px solid var(--line);font:11px var(--mono);color:var(--action);white-space:nowrap}
.badge.moss{border-color:var(--moss);color:var(--moss-ink)}
.badge.sand{border-color:var(--sand);color:var(--sand-ink)}
.badge.dim{color:var(--muted)}
.badge.warn{border-color:var(--danger-ink);color:var(--danger-ink)}

/* ---- stats strip */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 0 28px}
.stat{padding:16px 18px 16px 0;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat+.stat{padding-left:18px}
.stat b{display:block;font:400 24px/1.1 var(--serif)}
.stat span{font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
@media (max-width:600px){.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(n+3){border-top:1px solid var(--line)}.stat:nth-child(3){padding-left:0}}

/* ---- project rows */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:96px 1fr auto;gap:18px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.row:hover .title{color:var(--action)}
.row .thumb{width:96px;height:60px;object-fit:cover;background:var(--paper);border:1px solid var(--line)}
.row .thumb.empty{display:grid;place-items:center;font:10px var(--mono);color:var(--muted);letter-spacing:.1em}
.row .title{display:block;font:18px/1.25 var(--serif)}
.row .meta{display:block;font:12px var(--mono);color:var(--muted);margin-top:4px}
.row .right{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
@media (max-width:600px){.row{grid-template-columns:72px 1fr}.row .right{grid-column:2;flex-direction:row;flex-wrap:wrap;justify-content:flex-start}.row .thumb{width:72px;height:48px}}

/* ---- forms */
form{margin:0}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font:11px var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.field input,.field select,.field textarea{font:15px var(--sans);padding:11px 12px;border:1px solid var(--line);background:var(--paper);color:var(--ink);min-height:44px;width:100%}
.field textarea{min-height:110px;resize:vertical;line-height:1.5}
.field .hint{font-size:12px;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
@media (max-width:600px){.grid2{grid-template-columns:1fr}}
.checks{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}
.checks label{display:flex;align-items:center;gap:8px;text-transform:none;letter-spacing:0;font:14px var(--sans);color:var(--ink);white-space:nowrap}
.field input[type=checkbox]{width:18px;height:18px;min-height:0;padding:0;margin:0;accent-color:var(--action)}
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:8px}
.error{color:var(--danger-ink);background:var(--danger-bg);border:1px solid var(--danger-ink);padding:10px 12px;font-size:13px;margin:12px 0}
.notice{border:1px solid var(--line);background:var(--paper);padding:12px 14px;font-size:13px;line-height:1.6;margin:0 0 20px}
.notice.moss{border-left:3px solid var(--moss)}
.notice.sand{border-left:3px solid var(--sand)}
.notice.warn{border-left:3px solid var(--danger-ink)}
.notice code{font:12px var(--mono);word-break:break-all}

/* ---- panels / two-column desk */
.desk{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px}
@media (max-width:900px){.desk{grid-template-columns:1fr}}
.panel{border:1px solid var(--line);background:var(--paper);padding:18px 20px;margin-bottom:20px}
.panel h3{margin-bottom:10px}
.facts{margin:0;padding:0;list-style:none}
.facts li{display:flex;justify-content:space-between;gap:16px;font-size:13px;line-height:1.8;border-bottom:1px solid var(--line);padding:4px 0}
.facts li:last-child{border-bottom:0}
.facts li span:first-child{color:var(--muted)}
.facts li span:last-child{text-align:right}
.bar{height:6px;background:var(--line);margin:6px 0 2px}
.bar i{display:block;height:100%;background:var(--action)}
.bar i.hot{background:var(--sand)}

/* ---- tabs */
.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin:22px 0 24px;overflow-x:auto}
.tabs a{padding:10px 16px;text-decoration:none;font-size:13px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs a.on{color:var(--ink);border-bottom-color:var(--action)}

/* ---- gallery */
.study{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px}
@media (max-width:900px){.study{grid-template-columns:1fr}}
.study-image{display:block;width:100%;aspect-ratio:1.6;object-fit:cover;background:var(--paper);border:1px solid var(--line)}
.caption{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font:11px var(--mono);color:var(--muted);padding-top:10px}
.view-controls{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.view-controls button{min-width:44px;min-height:40px;padding:0 12px;background:transparent;border:1px solid var(--line);color:var(--muted);font:11px var(--mono)}
.view-controls button.on{border-color:var(--action);color:var(--action-ink);background:var(--action)}
.assumptions{padding-left:18px;margin:8px 0 0;font-size:13px;line-height:1.7;color:var(--muted)}

/* ---- tables */
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font:11px var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);padding:8px 10px 8px 0;border-bottom:1px solid var(--line)}
td{padding:12px 10px 12px 0;border-bottom:1px solid var(--line);vertical-align:top}
td .mono{font-size:12px;color:var(--muted)}
@media (max-width:700px){
  table,thead,tbody,tr,td{display:block}
  thead{display:none}
  tr{border-bottom:1px solid var(--line);padding:12px 0}
  td{border:0;padding:3px 0}
  td[data-l]::before{content:attr(data-l) " · ";font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
}

/* ---- feed */
.feed{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.feed li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.feed time{font:11px var(--mono);color:var(--muted);padding-top:3px}
.feed .who{display:block;font:11px var(--mono);color:var(--sand-ink);margin-bottom:2px}
.feed .comment{border-left:2px solid var(--moss);padding-left:12px}
@media (max-width:600px){.feed li{grid-template-columns:1fr;gap:4px}}

/* ---- plans */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin:20px 0}
.plan{border:1px solid var(--line);background:var(--paper);padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px}
.plan.current{border-color:var(--action)}
.plan .price{font:400 34px/1 var(--serif)}
.plan .price small{font:12px var(--mono);color:var(--muted)}
.plan ul{margin:6px 0 10px;padding-left:18px;font-size:13px;line-height:1.7;color:var(--muted)}
.plan .button{margin-top:auto}
.toggle{display:inline-flex;border:1px solid var(--line)}
.toggle button{padding:9px 14px;font:12px var(--mono);color:var(--muted)}
.toggle button.on{background:var(--action);color:var(--action-ink)}

/* ---- production, review, releases, comments (B4/B5/C2/C3) */
.break{overflow-wrap:anywhere;word-break:break-word}
code{font:12px/1.6 var(--mono);overflow-wrap:anywhere;max-width:100%}
.facts li span{min-width:0}
@media (max-width:600px){.facts li{flex-direction:column;gap:2px}.facts li span:last-child{text-align:left}}
.linky{font:11px var(--mono);color:var(--action);text-decoration:underline;padding:4px 2px;min-height:30px}
.checks.checks-col{flex-direction:column;gap:8px}
tr.on td{background:var(--paper)}
.job{border-top:1px solid var(--line);margin-top:8px}
.assets{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.asset{margin:0;border:1px solid var(--line);background:var(--paper);display:flex;flex-direction:column}
.asset.illustrative{border-left:3px solid var(--sand)}
.asset img{display:block;width:100%;aspect-ratio:1.6;object-fit:cover;border-bottom:1px solid var(--line)}
.asset-file{aspect-ratio:1.6;display:grid;place-items:center;border-bottom:1px solid var(--line);background:var(--canvas)}
.asset-file .mono{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;text-align:center;padding:0 12px}
.asset figcaption{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:12px 14px 14px;font-size:13px}
.asset figcaption b{font:15px/1.3 var(--serif)}
.asset figcaption .mono{font-size:11px;color:var(--muted)}
.asset figcaption .assumptions{margin:2px 0 0}
.tagline{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:8px}
.feed li.resolved .comment{border-left-color:var(--line);color:var(--muted)}
.dl{list-style:none;margin:8px 0 0;padding:0;border-top:1px solid var(--line)}
.dl li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
.dl li span{min-width:0;overflow-wrap:anywhere}
.dl li a{font:11px var(--mono);color:var(--action);white-space:nowrap}
.setup{margin-top:14px;border-top:1px solid var(--line);padding-top:14px}
.setup .label{font:11px var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:12px 0 4px}
.setup code{display:block;border:1px solid var(--line);background:var(--canvas);padding:8px 10px}
#cred-panel .facts li span:last-child,#cred-panel code{overflow-wrap:anywhere}

/* ---- welcome / guest */
.welcome{max-width:560px;margin:8vh auto 0;text-align:left}
.welcome .lede{font-size:16px;line-height:1.7;color:var(--muted);margin:14px 0 24px}
.empty{padding:40px 24px;border:1px dashed var(--line);text-align:center;color:var(--muted);font-size:14px;line-height:1.7}
.empty .button{margin-top:14px}
.loading{padding:48px 0;color:var(--muted);font:12px var(--mono);text-transform:uppercase;letter-spacing:.14em}
footer{max-width:1180px;margin:0 auto;padding:18px 24px 28px;border-top:1px solid var(--line);font:11px var(--mono);color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* Architect intake: picker and drag/drop share the same private upload flow. */
.upload-zone{border:1px dashed var(--muted,#5c6672);padding:24px 16px;margin:16px 0;background:var(--paper,#faf8f5);display:grid;gap:10px;overflow-wrap:anywhere}
.upload-zone strong{font:400 23px Georgia,serif}
.upload-zone span,.upload-zone p{font-size:12px;color:var(--muted,#5c6672);margin:0}
.upload-zone label{font-size:13px;font-weight:600}
.upload-zone input{max-width:100%;font-size:12px}
.upload-zone.dragging,.upload-zone:focus-within{border:2px solid var(--action,#1f3348);padding:23px 15px;background:var(--canvas,#f6f3ee)}
form[aria-busy="true"] .upload-zone{opacity:.65;pointer-events:none}

/* ---- A1: the image-led project overview ---------------------------------- */
/* The overview used to open on a metadata form. These rules are what let the picture lead and
   push editing into a panel you open on purpose. */
.hero-figure{margin:0 0 4px}
.hero-figure .study-image{aspect-ratio:1.9}

.hero-empty{border:1px dashed var(--line);background:var(--paper);padding:40px 28px;text-align:center;margin-bottom:16px}
.hero-empty p{max-width:44ch;margin:0 auto 14px}
.hero-empty .actions{justify-content:center}

/* The four real stages of a release, as a rail rather than a progress bar: the steps are named
   things the architect recognises, and a bar would imply a percentage we do not know. */
.rail{list-style:none;display:flex;gap:0;margin:18px 0 20px;padding:0;counter-reset:rail}
.rail li{flex:1;position:relative;padding-top:20px;font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.rail li::before{content:"";position:absolute;top:5px;left:0;right:0;height:1px;background:var(--line)}
.rail li:first-child::before{left:5px}
.rail li:last-child::before{right:calc(100% - 6px)}
.rail .dot{position:absolute;top:0;left:0;width:11px;height:11px;border-radius:50%;border:1px solid var(--line);background:var(--paper)}
.rail li.done{color:var(--sand-ink)}
.rail li.done::before{background:var(--moss)}
.rail li.done .dot{background:var(--moss);border-color:var(--moss)}
.rail li.now{color:var(--ink);font-weight:600}
.rail li.now .dot{background:var(--action,#1f3348);border-color:var(--action,#1f3348);box-shadow:0 0 0 3px var(--canvas,#f6f3ee)}

.next-panel .next-you{font:400 21px Georgia,serif;margin:2px 0 8px}
.next-panel .eyebrow{margin-bottom:0}

/* A <details> keeps the form one click away without a second route or a modal. */
.edit-panel summary{cursor:pointer;font-size:14px;color:var(--muted)}
.edit-panel summary b{color:var(--ink)}
.edit-panel[open] summary{margin-bottom:4px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

@media (max-width:700px){
  /* Stacked, because four labels across a phone are four illegible labels. */
  .rail{flex-direction:column;gap:10px}
  .rail li{padding:0 0 0 22px}
  .rail li::before{display:none}
  .hero-figure .study-image{aspect-ratio:1.5}
  .hero-empty{padding:28px 18px}
}

/* ---- A2: the client's release view -------------------------------------- */
/* A strip of actual thumbnails, not a row of text buttons: the client is choosing between
   pictures, so the control should be the pictures. */
.thumbs-strip{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
.thumbs-strip button{flex:0 0 auto;width:112px;padding:0;background:none;border:1px solid var(--line);cursor:pointer;text-align:left;font:inherit;color:var(--muted)}
.thumbs-strip button img{display:block;width:100%;aspect-ratio:1.5;object-fit:cover}
.thumbs-strip button .mono{display:flex;align-items:center;justify-content:center;aspect-ratio:1.5;font-size:11px;background:var(--paper)}
.thumbs-strip button span:last-child{display:block;padding:5px 7px;font:11px var(--mono);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumbs-strip button.on{border-color:var(--action,#1f3348);color:var(--ink)}
.thumbs-strip button.on span:last-child{background:var(--action,#1f3348);color:#fff}
.thumbs-strip button:focus-visible{outline:2px solid var(--action,#1f3348);outline-offset:2px}

@media (max-width:700px){
  /* Thumbnails stay a scrolling strip on a phone; they must not force the page sideways. */
  .thumbs-strip{margin-left:-2px;padding-left:2px}
  .thumbs-strip button{width:92px}
}

/* Technical details on an asset card: present, not in the way (A2). */
.asset details.tech summary{cursor:pointer;font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.asset details.tech[open] summary{margin-bottom:4px}

/* The project list's placeholder says where the project is, not that something is missing. */
.row .thumb.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-align:center;padding:6px;line-height:1.3}
.row .thumb.empty b{font:600 11px var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--sand-ink)}
.row .thumb.empty span{font:10px var(--mono);color:var(--muted)}

/* The studio queue's next-action column: what is ours to do reads as an instruction, not a note. */
.rows .next-ours{font-size:13px;color:var(--ink)}

/* Customer search: one line, and it stays one line on a phone. */
.search{display:flex;gap:8px;align-items:center;margin:0 0 18px;flex-wrap:wrap}
.search input{flex:1 1 220px;min-width:0;padding:8px 10px;border:1px solid var(--line);background:var(--paper);font:13px var(--mono)}

/* A quote awaiting a decision is the one thing on the page that wants attention. */
.quote.open{border-left:3px solid var(--action,#1f3348)}
.quote .rows tr.optional td{color:var(--muted)}

/* C2: input beside output. On a phone they stack, which is the only honest option at 375px. */
.desk.compare aside .facts li span:last-child{max-width:60%}
.thumbs-strip button.on span:last-child{font-weight:600}
.linky{background:none;border:0;padding:0;font:inherit;color:var(--action,#1f3348);text-decoration:underline;cursor:pointer}
/* A2 — the release presentation, shared by the client's page and the architect's preview of it. */
.modes{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.modes button{background:transparent;border:1px solid var(--line);color:var(--muted);padding:9px 14px;min-height:40px;font:500 13px var(--sans)}
.modes button.on{background:var(--action);border-color:var(--action);color:var(--action-ink)}
.modes button .mono{opacity:.7;margin-left:6px}
.study-image.lead{aspect-ratio:1.6;object-fit:cover}
.thumbs.strip{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.thumbs.strip .thumb{flex:0 0 auto;width:104px;padding:0;background:none;border:1px solid var(--line);cursor:pointer;text-align:left}
.thumbs.strip .thumb.on{border-color:var(--action);outline:2px solid var(--action);outline-offset:-3px}
.thumbs.strip .thumb img{display:block;width:100%;aspect-ratio:1.4;object-fit:cover}
.thumbs.strip .thumb span{display:block;padding:5px 7px;font:10px var(--mono);color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.feed.muted{opacity:.62}
details.panel summary{cursor:pointer;font:500 13px var(--sans);color:var(--ink)}
details.panel[open] summary{margin-bottom:10px}
@media (max-width:760px){
  .study-image.lead{aspect-ratio:1.35}
  .modes{overflow-x:auto;flex-wrap:nowrap}
  .modes button{white-space:nowrap}
}

/* The workspace is part of the same site, so its chrome says so. */
.topbar .site-links a{color:var(--muted)}
.topbar .site-links a:hover{color:var(--ink)}
footer{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 20px}
footer nav{display:flex;flex-wrap:wrap;gap:0 16px}
footer nav a{color:var(--muted);text-decoration:none}
footer nav a:hover{color:var(--ink);text-decoration:underline}
footer .note{flex-basis:100%;color:var(--muted)}
@media (max-width:700px){.topbar .site-links{display:none}}