/* The biome theme, transferred from flux app/src/theme (biome.ts, tokens.ts, dark.ts). */
@font-face { font-family: 'Aeonik'; src: url('/fonts/Aeonik-Regular.ttf'); font-weight: 400; }
@font-face { font-family: 'Aeonik'; src: url('/fonts/Aeonik-Medium.ttf'); font-weight: 500 700; }
@font-face { font-family: 'Argent Pixel'; src: url('/fonts/ArgentPixelCF-Italic.otf'); font-style: italic; }

:root {
  /* darkHome and HOME_BIOME */
  --field: #0B1118; --field-base: #060A0D;
  --surface: rgba(13, 20, 28, 0.72); --surface-strong: rgba(13, 20, 28, 0.92);
  --ink: #E6EDF2; --ink2: #AFC0CB; --ink3: #7F929E;
  --line: rgba(230, 237, 242, 0.10); --line-strong: rgba(230, 237, 242, 0.22);
  --signature: #35576B; --link: #97A9B5; --glow: #8FC6BF; --mote: #B5E3DC; --terrain: #0f1a20;
  --chip-bg: rgba(230, 237, 242, 0.06); --chip-bg-hover: rgba(230, 237, 242, 0.12);
  /* the parchment directory (tokens.ts parchment) */
  --paper: #F6F2E8; --paper-line: #E4DCC9; --paper-ink: #1C2B36; --paper-ink2: #51626E; --paper-ink3: #5e6f7a; /* tokens.ts ink3 is #74858F; darkened one step so 12 px labels reach AA on the paper */ --gold: #C98D12;
  /* spacing 4/8/12/16/24/32/48, radius surface 12 control 8 chip 6 tag 4, sizes control 36 chip 28 bar 56 */
  --r-surface: 12px; --r-control: 8px; --r-chip: 6px; --r-tag: 4px;
  --control: 36px; --chip-h: 28px; --bar: 56px;
  /* the six type roles; every text element maps to one */
  --sans: 'Aeonik', -apple-system, Inter, Helvetica, Arial, sans-serif;
  --display: italic 400 44px/48px 'Argent Pixel', Georgia, 'Times New Roman', serif;
  --display-small: italic 400 20px/24px 'Argent Pixel', Georgia, 'Times New Roman', serif;
  --page-title: 500 28px/32px var(--sans);
  --surface-title: 500 18px/24px var(--sans);
  --body: 400 16px/24px var(--sans);
  --list: 400 14px/20px var(--sans);
  --annotation: 400 12px/16px var(--sans);
}

/* light mode: the flux light tokens (tokens.ts); the directory keeps its parchment */
[data-theme="light"] {
  --field: #F2F4F5; --field-base: #E6EBEE;
  --surface: #FFFFFF; --surface-strong: #FFFFFF;
  --ink: #1C2B36; --ink2: #51626E; --ink3: #5e6f7a; /* tokens.ts ink3 is #74858F; darkened one step so 12 px text reaches AA on the paper field */
  --line: #DFE5E9; --line-strong: #C9D3D9;
  --signature: #35576B; --link: #35576B; --glow: #35576B; --mote: #35576B; --terrain: #D5DEE3;
  --chip-bg: #E5EDF2; --chip-bg-hover: #D5E2EA;
  --bar-bg: rgba(242, 244, 245, 0.92);
}
:root { --bar-bg: rgba(11, 17, 24, 0.55); }
[data-theme="light"] .bubble.user { background: var(--signature); color: #FFFFFF; }
[data-theme="light"] .bubble.assistant { background: #FFFFFF; border-color: var(--line); }
[data-theme="light"] .pill { background: rgba(255, 255, 255, 0.72); }
[data-theme="light"] .input-area { background: linear-gradient(transparent, var(--field) 30%); }
[data-theme="light"] .modal-back { background: rgba(28, 43, 54, 0.35); }
[data-theme="light"] .backdrop-fallback { background: linear-gradient(#F2F4F5, #E6EBEE); }
[data-theme="light"] .topbar:not(.paper), [data-theme="light"] .rail { background: var(--field); backdrop-filter: none; }
.mode { display: inline-flex; align-items: center; gap: 6px; font: var(--list); color: var(--ink2); padding: 4px 8px; border-radius: var(--r-control); }
.mode.icon-only { padding: 0; }

* { box-sizing: border-box; }
/* The field colour sits on html only: a body background would paint over the fixed
   backdrop canvas, which has a negative z-index. */
html { background: var(--field); }
html, body { margin: 0; color: var(--ink); }
body { background: transparent; }
body { font: var(--body); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3 { font-weight: 500; }

/* the world behind everything */
.backdrop { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: -1; display: block; background: linear-gradient(var(--field), var(--field-base)); }
.backdrop.failed { }

/* the app bar (TopBar.tsx): transparent over the backdrop, hairline below */
.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 8px; height: var(--bar); padding: 0 16px; border-bottom: 1px solid var(--line); background: var(--bar-bg); backdrop-filter: blur(6px); }
.topbar .title { flex: 1; font: var(--surface-title); color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .actions { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.topbar.centered .actions { margin: 0 auto; }
.topbar .action { display: inline-flex; align-items: center; justify-content: center; height: var(--control); min-width: var(--control); color: var(--ink2); border-radius: var(--r-control); }
.topbar .action:hover { color: var(--ink); }
.topbar .net.off { color: var(--ink3); }

/* screens and the type roles */
.screen { max-width: 560px; margin: 0 auto; padding-bottom: 48px; }
.top { padding: 16px 24px 4px; }
.top h1 { font: var(--page-title); margin: 0; color: var(--ink); }
.top .sub { display: block; color: var(--ink3); font: var(--annotation); margin-top: 4px; }
.back { display: none; }
.group { padding: 24px 24px 8px; font: var(--annotation); letter-spacing: 0.08em; color: var(--ink3); text-transform: uppercase; }
.hint { padding: 4px 24px 0; font: var(--body); color: var(--ink2); }
.hint.inline { padding: 0; font: var(--annotation); color: var(--ink3); }

/* chips (dark.ts chip, chipOn) */
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 6px 24px 4px; align-items: center; }
.chips .lab { width: 100%; font: var(--annotation); letter-spacing: 0.08em; color: var(--ink3); margin: 14px 0 0; text-transform: uppercase; }
.chip { display: inline-flex; align-items: center; height: var(--chip-h); font: var(--list); padding: 0 12px; border-radius: var(--r-chip); border: 1px solid var(--line); color: var(--ink); background: var(--chip-bg); }
.chip:hover { background: var(--chip-bg-hover); }
.chip.on { background: var(--link); color: var(--field); border-color: var(--link); font-weight: 500; }
.chip.empty { color: var(--ink3); }
.chip .n { opacity: 0.7; margin-left: 4px; }
.chip.ask { height: var(--control); background: var(--link); color: var(--field); border-color: var(--link); font-weight: 500; padding: 0 16px; border-radius: var(--r-control); }
.chip.ask:disabled, .chip:disabled { opacity: 0.4; cursor: default; }

/* cards (dark.ts card): translucent panels over the world */
.grid .day { padding: 18px 0 2px; }
.span { grid-column: 1 / -1; }
.day { padding: 24px 24px 8px; font: var(--annotation); color: var(--ink3); letter-spacing: 0.08em; text-transform: uppercase; }
.grid { display: grid; grid-template-columns: 1fr; gap: 12px; padding: 0 24px 8px; align-items: start; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-surface); padding: 16px; display: block; }
.card .head { display: grid; grid-template-columns: 56px 1fr; gap: 12px; align-items: start; margin-bottom: 12px; }
.card .thumb { width: 56px; height: 76px; object-fit: cover; object-position: top; border-radius: var(--r-tag); border: 1px solid var(--line); background: #fff; }
.card h2 { font: var(--surface-title); margin: 0 0 4px; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .ed { color: var(--ink3); font: var(--annotation); }
.card p { margin: 0; font: var(--body); color: var(--ink2); }
.card .foot { margin-top: 12px; font: var(--annotation); color: var(--ink3); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; align-items: center; }
.tag { font: var(--annotation); padding: 3px 8px; border-radius: var(--r-tag); background: var(--chip-bg); color: var(--ink2); border: 1px solid var(--line); }
.tag.hand { border-style: dashed; }
.tag.section { background: rgba(53, 87, 107, 0.45); color: var(--ink); }
.tag.new { background: var(--link); color: var(--field); border-color: var(--link); font-weight: 500; margin-left: 8px; vertical-align: middle; }
.card .tag.new { display: inline-block; margin: 4px 0 0; }
.tag.new.block { display: inline-block; margin: 10px 0 0; }

/* search bar, results */
.bar { margin: 12px 24px 8px; display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-control); padding: 0 12px; height: var(--control); font: var(--body); }
.bar input { flex: 1; background: none; border: 0; color: var(--ink); font: inherit; outline: none; }
.bar input::placeholder { color: var(--ink3); }
.bar .x { color: var(--ink3); font-size: 16px; }
.bar:focus-within { border-color: var(--link); }
.res { margin: 0 24px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-surface); padding: 16px; }
.res .src { font: var(--annotation); color: var(--ink3); margin-bottom: 6px; }
.res .src b { color: var(--ink); font-weight: 500; }
.res p { margin: 0; font: var(--body); color: var(--ink2); }
.res .open { margin: 12px 8px 0 0; font: var(--list); color: var(--field); background: var(--link); display: inline-block; padding: 6px 12px; border-radius: var(--r-control); font-weight: 500; }
.res.answer { border-color: var(--line-strong); }
.res.answer p { color: var(--ink); }
.askrow { display: flex; align-items: center; gap: 12px; padding: 4px 24px 6px; flex-wrap: wrap; }
.askrow.steps { padding-top: 14px; }
.syncrow { padding: 8px 24px 0; }
.res.sync { display: block; width: 100%; margin: 0; text-align: center; font-weight: 500; color: var(--ink); cursor: pointer; }
.res.sync:disabled { opacity: 0.5; }

/* the contents directory on parchment (the flux Encyclopedia directory) */
.main.paper { background: var(--paper); min-height: calc(100vh - var(--bar)); }
.dir { display: flow-root; background: var(--paper); color: var(--paper-ink); min-height: calc(100vh - var(--bar)); }
.dir .digest { margin: 18px 24px 6px; padding: 18px 0 4px; border-top: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line); }
.dir .digest h2 { font: var(--annotation); margin: 0 0 10px; color: var(--paper-ink3); letter-spacing: 0.08em; text-transform: uppercase; }
.dir .digest p { margin: 0 0 12px; font: var(--body); color: var(--paper-ink); }
.dir .label { padding: 26px 24px 6px; font: var(--annotation); letter-spacing: 0.08em; text-transform: uppercase; color: var(--paper-ink3); }
.row { display: grid; grid-template-columns: 44px 1fr 28px; align-items: start; padding: 18px 24px; border-top: 1px solid var(--paper-line); }
.row .n { font: var(--display-small); font-size: 28px; color: var(--paper-ink); padding-top: 2px; }
.row .t { font: var(--surface-title); color: var(--paper-ink); border-bottom: 1px solid var(--gold); padding-bottom: 3px; display: inline-block; }
.row .s { font: var(--list); color: var(--paper-ink2); margin-top: 6px; }
.row .c { font: var(--annotation); color: var(--paper-ink3); margin-top: 6px; }
.row .c.some { color: var(--paper-ink); font-weight: 500; }
.row .ic { color: var(--paper-ink3); padding-top: 4px; justify-self: end; }
.dir .row.profile .t { border-bottom-color: var(--paper-line); }
.topbar.paper { background: #fff; border-bottom-color: var(--paper-line); color: var(--paper-ink); backdrop-filter: none; }
.topbar.paper .action { color: var(--paper-ink2); }
.topbar.paper .title { color: var(--paper-ink); }

/* the desktop rail, hidden on phones where the top bar serves */
.rail { display: none; }
@media (min-width: 900px) {
  .topbar.is-home { display: none; }
  .topbar .actions .action:not(.net) { display: none; }
  .rail { display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; width: 220px; padding: 24px 16px 20px; border-right: 1px solid var(--line); overflow-y: auto; z-index: 6; background: var(--bar-bg); backdrop-filter: blur(6px); }
  .rail .brand { font: var(--display-small); color: var(--ink); padding: 0 10px 18px; }
  .rail .brand.on { color: var(--link); }
  .rail nav { display: flex; flex-direction: column; gap: 2px; }
  .rail .screens a { font: var(--list); padding: 8px 10px; border-radius: var(--r-control); color: var(--ink2); }
  .rail .screens a.on { background: var(--link); color: var(--field); font-weight: 500; }
  .rail .screens a:hover:not(.on) { background: var(--chip-bg); color: var(--ink); }
  .rail .lab { font: var(--annotation); letter-spacing: 0.08em; color: var(--ink3); text-transform: uppercase; padding: 22px 10px 8px; }
  .rail .sections a { display: grid; grid-template-columns: 18px 1fr auto; gap: 6px; align-items: baseline; font: var(--list); padding: 5px 10px; border-radius: var(--r-chip); color: var(--ink2); }
  .rail .sections a.on { background: var(--chip-bg); color: var(--ink); font-weight: 500; }
  .rail .sections a.empty { color: var(--ink3); }
  .rail .sections .n { font: var(--display-small); font-size: 15px; line-height: 1; color: var(--ink3); }
  .rail .sections .c { font: var(--annotation); color: var(--ink3); }
  .rail .foot { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
  .rail .profile { display: block; padding: 6px 10px; border-radius: var(--r-control); color: var(--ink2); }
  .rail .profile.on { background: var(--chip-bg); color: var(--ink); }
  .rail .profile .t { display: block; font: var(--list); font-weight: 500; color: var(--ink); }
  .rail .profile .s { display: block; font: var(--annotation); color: var(--ink3); margin-top: 2px; }
  .rail .net { display: flex; align-items: center; gap: 8px; font: var(--list); padding: 6px 10px; border-radius: var(--r-control); color: var(--ink2); text-align: left; }
  .rail .net.off { color: var(--ink3); }
  .rail .model { font: var(--annotation); color: var(--ink3); padding: 0 10px; overflow-wrap: anywhere; }

  .main { margin-left: 220px; min-height: 100vh; }
  .topbar { margin-left: 220px; }
  .main.paper { background: var(--paper); }
  .screen { max-width: 1280px; padding-bottom: 48px; }
  .grid { grid-template-columns: 1fr 1fr 1fr; }
  .dir .screen { max-width: 640px; margin: 0 0 0 max(24px, calc((100% - 640px) / 3)); }
  .res, .page, .hint, .askrow { max-width: 720px; }
  .chips { max-width: 1280px; }
  .top .sub { max-width: 900px; }

  .vol-cols { display: grid; grid-template-columns: minmax(0, 720px) 360px; gap: 32px; align-items: start; padding-right: 24px; }
  .vol-article { order: 0; min-width: 0; }
  .vol-panel { order: 1; position: sticky; top: calc(var(--bar) + 16px); max-height: calc(100vh - var(--bar) - 32px); overflow-y: auto; padding-bottom: 12px; }
  .vol-panel .group { padding: 8px 24px 8px; }
  .vol-panel .res { margin: 0 24px 12px; }
  .vol-panel .vol-head { grid-template-columns: 96px 1fr; padding-top: 4px; }
  .vol-article .group:first-child { padding-top: 8px; }
  .vol-article .pager { padding-top: 12px; }
}
@media (min-width: 1280px) {
  .rail { width: 240px; }
  .main, .topbar { margin-left: 240px; }
}
@media (max-width: 899px) { .vol-cols { display: contents; } }
@media (max-width: 380px) { .card { padding: 12px; } }

/* the volume page */
.vol-head { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 14px 24px 0; align-items: start; }
.thumb.big { width: 96px; height: 130px; }
.vol-head .cover { margin: 0; font: var(--body); color: var(--ink2); }
.meta { margin-top: 12px; font: var(--annotation); color: var(--ink3); }
.meta .quote { color: var(--ink2); font-style: italic; }
.meta .open { margin-top: 10px; font: var(--list); color: var(--field); background: var(--link); display: inline-block; padding: 6px 12px; border-radius: var(--r-control); font-weight: 500; }
.contents { padding: 0 24px; display: flex; flex-direction: column; gap: 2px; }
.contents .line { text-align: left; font: var(--list); color: var(--ink2); padding: 8px 0; border-bottom: 1px solid var(--line); }
.contents .line.on { color: var(--ink); font-weight: 500; }
.pager { display: flex; align-items: center; gap: 12px; padding: 24px 24px 10px; color: var(--ink2); font: var(--list); }
.pager .chip { min-width: 40px; justify-content: center; }
.page { margin: 0 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-surface); padding: 16px; }
.passage { margin: 0 0 12px; font: var(--body); color: var(--ink2); white-space: pre-wrap; padding: 4px 6px; border-radius: var(--r-chip); }
.passage.hit { background: rgba(53, 87, 107, 0.35); color: var(--ink); box-shadow: inset 3px 0 0 var(--link); }
.passage.warning { color: var(--ink); }
@media (max-width: 380px) { .vol-head { grid-template-columns: 72px 1fr; } .thumb.big { width: 72px; height: 98px; } }

/* the packet */
.res.packet .filing { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.res.packet select { font: var(--list); color: var(--ink); background: var(--surface-strong); border: 1px solid var(--line-strong); border-radius: var(--r-control); padding: 6px 10px; }
.res.packet .verdicts { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }

/* focus */
.chip:focus-visible, button:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }

/* the placeholder book cover, when a thumbnail file is missing */
.thumb.book { display: flex; width: 56px; height: 76px; background: #4f4f4f; border-radius: var(--r-tag); overflow: hidden; }
.thumb.book .spine { flex: 0 0 9%; background: #3f3f3f; }
.thumb.book .face { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; padding: 4px 3px; text-align: center; }
.thumb.book .t { font: 300 7px/9px var(--sans); letter-spacing: 0.12em; text-transform: uppercase; color: #e3e3e3; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.thumb.book .p { font: 300 5px/7px var(--sans); letter-spacing: 0.12em; text-transform: uppercase; color: #c4c4c4; /* the spec's #bdbdbd reads 4.35:1 on the book grey; one step lighter reaches AA */ white-space: nowrap; overflow: hidden; max-width: 100%; }
.thumb.book.big { width: 96px; height: 130px; }
.thumb.book.big .face { padding: 8px 6px; gap: 6px; }
.thumb.book.big .t { font-size: 10px; line-height: 13px; }
.thumb.book.big .p { font-size: 7px; line-height: 9px; }
.card .thumb.book { grid-row: 1; }
.net { display: inline-flex; align-items: center; gap: 6px; font: var(--list); color: var(--ink2); padding: 4px 8px; border-radius: var(--r-control); }
.net.off { color: var(--ink3); }
.net.icon-only { padding: 0; }
.top .sub .net { padding: 0 6px 0 0; font: var(--annotation); vertical-align: middle; }

/* the demo route: a station strip above a real screen */
.station { background: var(--surface); border-bottom: 1px solid var(--line); }
.station .screen { padding-bottom: 0; }
.station-head { padding: 24px 24px 16px; }
.station-head .lab { display: block; font: var(--annotation); letter-spacing: 0.08em; color: var(--ink3); text-transform: uppercase; margin-bottom: 8px; }
.station-head h2 { margin: 0 0 8px; font: var(--surface-title); color: var(--ink); }
.station-head p { margin: 0 0 14px; font: var(--body); color: var(--ink2); max-width: 720px; }
.station-nav { display: flex; gap: 8px; }
.demo .top { padding-top: 16px; }

/* the online retrieval's trail: one card per question, one line per step */
.res.trail .step { font: var(--list); color: var(--ink2); padding: 3px 0 3px 14px; border-left: 2px solid var(--line); }
.res.trail .step.done { color: var(--ink); border-left-color: var(--link); }
.res.trail .step .inline { color: var(--link); text-decoration: underline; margin-left: 6px; }
.res.trail .from { color: var(--ink3); font-weight: 400; }
.res.trail p { margin: 8px 0 4px 14px; }
.res.trail .open { margin: 8px 8px 0 14px; }

/* the chat home (index.tsx): hero, gallery, ask row */
.home { display: flex; flex-direction: column; min-height: calc(100vh - var(--bar)); }
.hero-area { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px 24px; gap: 12px; }
.hero { display: flex; flex-direction: column; align-items: center; gap: 4px; margin-bottom: 24px; }
.wordmark { font: var(--display); color: var(--ink); text-align: center; }
.tagline { font: var(--body); color: var(--ink2); text-align: center; }
.gallery { align-self: center; display: flex; flex-direction: column; gap: 8px; max-width: 360px; width: 100%; margin: 0 auto; transition: opacity 350ms; }
.gallery.faded { opacity: 0; }
.pill { display: block; width: 100%; border: 1px solid var(--line); border-radius: var(--r-control); background: rgba(11, 17, 24, 0.55); padding: 12px 16px; font: var(--list); color: var(--ink); text-align: center; }
.pill:hover { border-color: var(--signature); }
.ask-area { align-self: stretch; display: flex; flex-direction: column; gap: 8px; padding: 12px 24px 24px; }
.ask-row { display: flex; align-items: center; gap: 12px; }
.ask-row input { flex: 1; height: var(--control); border: 1px solid var(--line); border-radius: var(--r-control); padding: 0 12px; background: transparent; color: var(--ink); font: inherit; outline: none; }
.ask-row input::placeholder { color: var(--ink3); }
.ask-row .send, .input-row .send { width: var(--control); height: var(--control); border-radius: 50%; background: var(--signature); color: var(--ink); display: inline-flex; align-items: center; justify-content: center; }
.ask-row .send:disabled, .input-row .send:disabled { opacity: 0.5; cursor: default; }
.source-row { align-self: center; font: var(--annotation); color: var(--ink3); text-align: center; }
@media (min-width: 900px) { .home { min-height: 100vh; } .ask-area { max-width: 640px; margin: 0 auto; width: 100%; } }

/* chat (chat.tsx, ChatMessage.tsx) */
.screen.chat { display: flex; flex-direction: column; min-height: calc(100vh - var(--bar)); padding-bottom: 0; }
.thread { flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 16px; }
.bubble { max-width: 85%; border-radius: var(--r-surface); padding: 16px; font: var(--body); display: flex; flex-direction: column; gap: 12px; }
.bubble.user { align-self: flex-end; background: var(--signature); color: var(--ink); }
.bubble.assistant { align-self: flex-start; background: var(--surface); border: 1px solid var(--line); color: var(--ink2); }
.bubble p { margin: 0; white-space: pre-wrap; }
.bubble .line { display: inline-flex; align-items: center; gap: 4px; align-self: flex-start; font: var(--annotation); color: var(--ink3); padding-top: 4px; }
.bubble .line:hover { color: var(--ink2); }
.dots { display: inline-flex; gap: 5px; padding: 4px 0; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--ink3); animation: blink 1.2s infinite; }
.dots i:nth-child(2) { animation-delay: 0.2s; } .dots i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }
.input-area { position: sticky; bottom: 0; padding: 12px 16px 16px; background: rgba(11, 17, 24, 0.70); border-top: 1px solid var(--line); backdrop-filter: blur(6px); }
.input-row { display: flex; gap: 8px; align-items: center; }
.input-row input { flex: 1; height: var(--control); border-radius: var(--r-control); padding: 0 16px; background: rgba(230, 237, 242, 0.08); border: 1px solid transparent; color: var(--ink); font: inherit; outline: none; }
.input-row input::placeholder { color: var(--ink3); }
.input-row input:focus { border-color: var(--link); }
.input-row .send { background: rgba(230, 237, 242, 0.14); }
.chat-rows { display: flex; flex-direction: column; gap: 8px; padding: 16px; }
.chat-row { display: flex; justify-content: space-between; align-items: center; padding: 12px; border-radius: var(--r-control); background: rgba(230, 237, 242, 0.06); }
.chat-row:hover { background: rgba(230, 237, 242, 0.12); }
.chat-row .t { font: var(--list); color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60vw; }
.chat-row .s { font: var(--annotation); color: var(--ink3); margin-top: 2px; }
.chat-row .chev { color: var(--ink3); display: inline-flex; }
@media (min-width: 900px) { .screen.chat { min-height: calc(100vh - var(--bar)); } .bubble { max-width: 70%; } .thread, .chat-rows { max-width: 720px; width: 100%; } }

.res.packet .lead { margin: 0 0 8px; font: var(--body); color: var(--ink); }

.meta .history { color: var(--ink2); text-decoration: underline; }

/* the back-online modal */
.modal-back { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; padding: 16px; background: rgba(6, 10, 13, 0.55); }
.modal { width: 100%; max-width: 480px; max-height: 85vh; overflow-y: auto; background: var(--surface-strong); border: 1px solid var(--line); border-radius: var(--r-surface); padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; }
.modal h2 { margin: 0; font: var(--surface-title); color: var(--ink); }
.modal h3 { margin: 4px 0 0; font: var(--annotation); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink3); }
.modal .conn { display: flex; align-items: center; gap: 10px; }
.modal .bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 16px; }
.modal .bars i { width: 4px; background: var(--line-strong); border-radius: 1px; }
.modal .bars i.on { background: var(--link); }
.modal .conn .line { font: var(--list); color: var(--ink2); }
.modal .q { margin: 0; font: var(--body); color: var(--ink); }
.modal .state { margin: 0; font: var(--list); color: var(--ink2); }
.modal .state .inline { color: var(--ink); text-decoration: underline; }
.modal .res.trail { margin: 0; }

/* the home takes the full viewport: no rail beside the hero */
.main.full { margin-left: 0; max-width: none; }
.attribution a { color: var(--link); text-decoration: underline; }

/* touch targets: every control is at least 36 px tall and wide (layout check) */
button.icon-only, .topbar .net, .rail .net, .mode, .bar .x { min-width: 36px; min-height: 36px; display: inline-flex; align-items: center; justify-content: center; }
.bar input, .input-row input, .ask-row input { min-height: 36px; }
.rail .net { justify-content: flex-start; }
/* the card grid never overflows its column: as many 260 px columns as fit */
@media (min-width: 900px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* inline switches and attribution links keep a 28 px touch height on phones */
.sub .net, .askrow .net, .attribution a { display: inline-flex; align-items: center; min-height: 28px; }
.res.trail .step .inline, .res .src a { display: inline-flex; align-items: center; min-height: 28px; }