/* ============================================================================
   HyerRealty RAG: "reference library" design system
   Warm paper, ink navy, deep green actions, brass for citations and change notices.
   Fraunces (headings, quoted source text) · IBM Plex Sans (interface) · IBM Plex Mono (figures, citation numbers)
   ========================================================================== */
@font-face { font-family: "Fraunces"; src: url(/static/fonts/fraunces.woff2) format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url(/static/fonts/fraunces-italic.woff2) format("woff2"); font-weight: 400 600; font-style: italic; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(/static/fonts/plex-sans-400.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(/static/fonts/plex-sans-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url(/static/fonts/plex-sans-600.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url(/static/fonts/plex-mono-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --paper: #f5f1e8; --paper-2: #ede7d9; --card: #fffdf8; --card-2: #faf6ec;
  --ink: #15212c; --ink-2: #394755; --muted: #67737f; --line: #e2dbcb; --line-2: #cfc6b1;
  --accent: #0d5c50; --accent-2: #0a483f; --accent-ink: #ffffff; --accent-soft: #dfeee8;
  --brass: #9a6a17; --brass-2: #7d5410; --brass-soft: #f6ebd3;
  --good: #1b7448; --good-soft: #e2f1e8; --bad: #a3302a; --bad-soft: #f8e4e1;
  --mark: #f9de8a; --shadow: 0 1px 0 rgba(21, 33, 44, .04), 0 6px 22px -10px rgba(21, 33, 44, .18);
  --shadow-lg: 0 2px 0 rgba(21, 33, 44, .03), 0 22px 50px -22px rgba(21, 33, 44, .35);
  --r: 14px; --r-sm: 9px;
  --f-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --f-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --grain: .035;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f161c; --paper-2: #151e26; --card: #172029; --card-2: #1b2631;
    --ink: #e9ece6; --ink-2: #c3ccd2; --muted: #93a0ab; --line: #263440; --line-2: #34444f;
    --accent: #4db39d; --accent-2: #6cc7b3; --accent-ink: #07211c; --accent-soft: #143530;
    --brass: #e0b259; --brass-2: #efc774; --brass-soft: #33281a;
    --good: #6fd0a0; --good-soft: #15322a; --bad: #ff8f86; --bad-soft: #3b201e;
    --mark: #6b5714; --shadow: none; --shadow-lg: 0 20px 50px -20px rgba(0, 0, 0, .6); --grain: .06;
  }
}

* { box-sizing: border-box; }
html { background: var(--paper); height: 100%; }
body { margin: 0; min-height: 100%; color: var(--ink); font: 15px/1.6 var(--f-body); -webkit-font-smoothing: antialiased; overflow-x: hidden; position: relative;
  background: radial-gradient(900px 420px at 85% -80px, color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%) no-repeat fixed; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: var(--grain);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
a { color: var(--accent); text-underline-offset: 3px; }
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
::selection { background: var(--mark); color: var(--ink); }
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; letter-spacing: -.015em; margin: 0; }
.mono { font-family: var(--f-mono); font-weight: 500; }
.muted { color: var(--muted); }
.ico { width: 1.15em; height: 1.15em; flex: none; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.18em; }
.ico.fill { fill: currentColor; }

/* entrance motion */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes shimmer { from { background-position: 120% 0; } to { background-position: -120% 0; } }
@keyframes pulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.rise { animation: rise .55s cubic-bezier(.2, .7, .2, 1) both; animation-delay: calc(var(--i, 0) * 70ms); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

/* ---------- top bar ---------- */
.topbar { display: flex; align-items: center; gap: 22px; padding: 0 22px; height: 60px; position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--card) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.logo { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; background: var(--accent); color: var(--brass-soft);
  font: 600 19px/1 var(--f-display); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .18), 0 1px 0 rgba(255, 255, 255, .25) inset; }
.brand-name { font: 600 19px/1.05 var(--f-display); letter-spacing: -.02em; }
.brand-name small { display: block; font: 500 10px/1.2 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }
.nav { display: flex; gap: 2px; margin-left: 10px; height: 100%; }
.nav a { display: flex; align-items: center; gap: 8px; padding: 0 14px; text-decoration: none; color: var(--muted); font-weight: 500; position: relative; }
.nav a:hover { color: var(--ink); }
.nav a.on { color: var(--accent); }
.nav a.on::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2px; background: var(--accent); border-radius: 2px 2px 0 0; }
.spacer { flex: 1; }
.status { display: flex; align-items: center; gap: 8px; font: 500 12px/1 var(--f-mono); color: var(--muted); padding: 7px 12px; border: 1px solid var(--line); border-radius: 99px; background: var(--card); white-space: nowrap; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 22%, transparent); }

/* ---------- shared controls ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid var(--line-2); background: var(--card); color: var(--ink); border-radius: var(--r-sm);
  padding: 8px 15px; font-weight: 500; text-decoration: none; transition: border-color .15s, background .15s, transform .15s, box-shadow .15s; white-space: nowrap; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .16); }
.btn.primary:hover { background: var(--accent-2); color: var(--accent-ink); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: var(--paper-2); color: var(--ink); border-color: transparent; }
.btn.danger:hover { border-color: var(--bad); color: var(--bad); background: var(--bad-soft); }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: default; pointer-events: none; }
.badge { display: inline-flex; align-items: center; gap: 4px; font: 500 10.5px/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; padding: 4px 7px; border-radius: 5px; background: var(--accent-soft); color: var(--accent); }
.badge.ann { background: var(--brass-soft); color: var(--brass); }
.badge.ok { background: var(--good-soft); color: var(--good); }
.badge.err { background: var(--bad-soft); color: var(--bad); }
.badge.mute { background: var(--paper-2); color: var(--muted); }
input, select, textarea { font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line-2); border-radius: var(--r-sm); padding: 9px 11px; width: 100%; transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent); }
label { display: block; font: 500 10.5px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.seg { display: inline-flex; background: var(--paper-2); border-radius: 10px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: none; padding: 6px 14px; border-radius: 8px; font-weight: 500; color: var(--muted); }
.seg button.on { background: var(--card); color: var(--accent); box-shadow: 0 1px 2px rgba(0, 0, 0, .12); }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 11px 18px; border-radius: 10px; z-index: 60; box-shadow: var(--shadow-lg); animation: rise .3s both; }
.linkbtn { border: 0; background: none; color: var(--accent); font-weight: 500; padding: 4px 0; }

/* ---------- chat ---------- */
.app { display: grid; grid-template-columns: 276px minmax(0, 1fr) 0; height: calc(100vh - 60px); transition: grid-template-columns .28s cubic-bezier(.2, .7, .2, 1); }
.app.viewer-open { grid-template-columns: 276px minmax(0, 1fr) minmax(400px, 37%); }
.side { background: color-mix(in srgb, var(--card) 70%, var(--paper)); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.side-top { padding: 16px 14px 10px; display: grid; gap: 12px; }
.side .seg { display: flex; } .side .seg button { flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px; }
.convs { overflow: auto; padding: 4px 8px 16px; flex: 1; }
.conv-group { font: 500 10.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 14px 10px 6px; }
.conv { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 9px 10px; border-radius: 9px; color: var(--ink); line-height: 1.35; }
.conv:hover { background: var(--paper-2); }
.conv.on { background: var(--accent-soft); }
.conv span { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; }
.conv small { color: var(--muted); font-size: 12px; }
.empty-note { color: var(--muted); padding: 14px 10px; font-size: 13.5px; }

.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.scope { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 14px 28px 0; max-width: 860px; width: 100%; margin: 0 auto; }
.scope-label { font: 500 10.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-right: 4px; }
.chip { border: 1px solid var(--line-2); background: var(--card); border-radius: 99px; padding: 4px 13px; font-size: 13px; font-weight: 500; color: var(--ink-2); display: inline-flex; align-items: center; gap: 6px; transition: all .15s; }
.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.chip.off { opacity: .5; border-style: dashed; }
.thread { flex: 1; overflow: auto; padding: 8px 28px 10px; scroll-behavior: smooth; }
.hero { max-width: 760px; margin: 6vh auto 0; }
.hero-kicker { font: 500 11px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--brass); display: flex; align-items: center; gap: 10px; }
.hero-kicker::before { content: ""; width: 28px; height: 1px; background: var(--brass); }
.hero h2 { font-size: clamp(32px, 4.4vw, 48px); line-height: 1.05; margin: 14px 0 12px; font-weight: 500; font-variation-settings: "opsz" 144; }
.hero h2 em { font-style: italic; color: var(--accent); font-weight: 500; }
.hero p { color: var(--ink-2); font-size: 16.5px; max-width: 58ch; margin: 0 0 22px; }
.coverage { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.cov { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--card); border-radius: 99px; padding: 6px 13px 6px 11px; font-size: 13px; text-decoration: none; color: var(--ink); }
.cov i { width: 8px; height: 8px; border-radius: 50%; background: var(--good); }
.cov.none { color: var(--muted); border-style: dashed; background: transparent; }
.cov.none i { background: transparent; border: 1.5px solid var(--line-2); }
.cov b { font: 500 12px var(--f-mono); color: var(--muted); }
.suggest { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sg { text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: var(--r); padding: 14px 16px 15px; display: grid; gap: 6px; box-shadow: var(--shadow); transition: transform .18s, border-color .18s, box-shadow .18s; }
.sg:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow-lg); }
.sg small { font: 500 10.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--brass); }
.sg span { font-family: var(--f-display); font-size: 16.5px; line-height: 1.35; font-weight: 500; }

.msg { max-width: 760px; margin: 0 auto 26px; animation: rise .45s cubic-bezier(.2, .7, .2, 1) both; }
.qline { display: grid; gap: 7px; padding: 18px 0 4px; }
.qlabel { font: 500 10.5px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); display: flex; gap: 8px; align-items: center; }
.qtext { font: 500 clamp(19px, 2.2vw, 23px)/1.35 var(--f-display); letter-spacing: -.01em; white-space: pre-wrap; }
.answer { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden; }
.ans-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 11px 20px; border-bottom: 1px solid var(--line); background: var(--card-2); font-size: 13px; }
.ans-mark { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; color: var(--good); }
.ans-meta { margin-left: auto; display: flex; gap: 14px; color: var(--muted); font: 500 12px var(--f-mono); }
.answer .body { padding: 18px 22px 6px; font-size: 15.5px; line-height: 1.7; }
.answer .body p { margin: 0 0 12px; } .answer .body ul, .answer .body ol { margin: 0 0 12px; padding-left: 22px; } .answer .body li { margin: 4px 0; padding-left: 2px; }
.answer .body li::marker { color: var(--brass); }
.answer .body h4 { font: 500 11px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 20px 0 8px; }
.answer .body strong { font-weight: 600; }
.answer .body table { border-collapse: collapse; margin: 6px 0 16px; font-size: 14px; display: block; overflow-x: auto; width: 100%; }
.answer .body th, .answer .body td { border-bottom: 1px solid var(--line); padding: 8px 12px 8px 0; text-align: left; vertical-align: top; }
.answer .body th { font: 500 10.5px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.answer.nf { border-color: color-mix(in srgb, var(--brass) 45%, var(--line)); }
.answer.nf .ans-head { background: var(--brass-soft); } .answer.nf .ans-mark { color: var(--brass); }
.cite { display: inline-flex; align-items: center; justify-content: center; min-width: 19px; height: 19px; padding: 0 5px; margin: 0 1px; border: 1px solid color-mix(in srgb, var(--brass) 55%, transparent); background: var(--brass-soft); color: var(--brass-2);
  border-radius: 5px; font: 500 11px/1 var(--f-mono); vertical-align: 2px; transition: all .15s; }
.cite:hover, .cite.on { background: var(--brass); color: #fff; border-color: var(--brass); }
.typing { color: var(--muted); }
.skel { display: grid; gap: 10px; padding: 4px 0 14px; }
.skel i { display: block; height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--paper-2) 30%, var(--line) 50%, var(--paper-2) 70%); background-size: 240% 100%; animation: shimmer 1.4s linear infinite; }
.skel i:nth-child(1) { width: 92%; } .skel i:nth-child(2) { width: 78%; } .skel i:nth-child(3) { width: 85%; } .skel i:nth-child(4) { width: 52%; }
.stage { display: flex; align-items: center; gap: 9px; color: var(--muted); font: 500 12px var(--f-mono); padding: 14px 0 2px; }
.stage i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 1.1s ease-in-out infinite; }
.nf-help { display: flex; gap: 10px; flex-wrap: wrap; padding: 2px 0 14px; }

.srccards { border-top: 1px solid var(--line); margin: 6px 0 0; padding: 16px 20px 6px; display: grid; gap: 10px; background: var(--card-2); }
.srccards > .t, .srccards summary.t { font: 500 10.5px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.srccards summary.t { cursor: pointer; list-style: none; } .srccards summary.t::-webkit-details-marker { display: none; }
.more-src { display: grid; gap: 10px; }
.more-src > summary { cursor: pointer; list-style: none; color: var(--accent); font-weight: 500; font-size: 13.5px; padding: 2px 0; }
.more-src > summary::-webkit-details-marker { display: none; }
.srccard { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--brass); border-radius: 10px; padding: 12px 14px 12px 14px; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s; animation: rise .45s both; animation-delay: calc(var(--i, 0) * 60ms); }
.srccard:hover { box-shadow: var(--shadow); border-color: var(--line-2); border-left-color: var(--brass); }
.srccard.on { border-color: var(--accent); border-left-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); }
.sc-head { display: flex; gap: 11px; align-items: flex-start; }
.sc-n { flex: none; width: 24px; height: 24px; border-radius: 6px; background: var(--brass-soft); color: var(--brass-2); font: 500 12px/24px var(--f-mono); text-align: center; margin-top: 1px; }
.sc-title { min-width: 0; flex: 1; }
.sc-title strong { display: block; font: 600 15px/1.3 var(--f-display); letter-spacing: -.005em; }
.sc-title .meta { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; margin-top: 5px; color: var(--muted); font-size: 12.5px; }
.sc-title .meta .sec { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sc-actions { display: flex; gap: 2px; flex: none; }
.sc-quote { margin: 11px 0 2px 35px; padding: 0 0 0 14px; border-left: 1px solid var(--line-2); font: italic 400 15px/1.6 var(--f-display); color: var(--ink-2); }
.actions { display: flex; align-items: center; gap: 2px; padding: 8px 14px 10px; border-top: 1px solid var(--line); }
.icon { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; padding: 7px 10px; border-radius: 8px; color: var(--muted); font-size: 13px; font-weight: 500; }
.icon:hover { background: var(--paper-2); color: var(--ink); }
.icon.on-up { color: var(--good); background: var(--good-soft); } .icon.on-down { color: var(--bad); background: var(--bad-soft); } .icon.on-fav { color: var(--brass); }
.icon.on-fav .ico { fill: currentColor; }
.fb { display: flex; gap: 8px; padding: 0 14px 14px; align-items: flex-start; } .fb textarea { min-height: 42px; resize: vertical; }
.fbdone { font-size: 13px; color: var(--muted); margin-left: 8px; }

.composer { padding: 8px 28px 18px; }
details.scn { max-width: 760px; margin: 0 auto 10px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); padding: 4px 18px; }
details.scn summary { cursor: pointer; font-weight: 600; color: var(--accent); padding: 12px 0; list-style: none; display: flex; align-items: center; gap: 9px; }
details.scn summary::-webkit-details-marker { display: none; }
details.scn[open] { padding-bottom: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 4px 0 12px; }
.box { max-width: 760px; margin: 0 auto; background: var(--card); border: 1px solid var(--line-2); border-radius: 16px; box-shadow: var(--shadow-lg); padding: 10px 10px 10px 18px; display: flex; gap: 10px; align-items: flex-end; transition: border-color .15s, box-shadow .15s; }
.box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent), var(--shadow-lg); }
.box textarea { border: 0; padding: 8px 0; resize: none; max-height: 170px; min-height: 28px; box-shadow: none !important; background: transparent; font-size: 15.5px; }
.box textarea:focus { outline: none; }
.send { background: var(--accent); color: var(--accent-ink); border: 0; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; flex: none; box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .16); transition: transform .15s, background .15s; }
.send:hover { background: var(--accent-2); transform: translateY(-1px); }
.send:disabled { opacity: .4; transform: none; }
.foot { max-width: 760px; margin: 8px auto 0; display: flex; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--muted); }
kbd { font: 500 11px var(--f-mono); border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px; background: var(--card); }

/* source viewer */
.viewer { background: var(--card); border-left: 1px solid var(--line); display: none; flex-direction: column; min-width: 0; min-height: 0; box-shadow: -18px 0 40px -30px rgba(0, 0, 0, .35); }
.app.viewer-open .viewer { display: flex; animation: rise .35s both; }
.viewer header { padding: 18px 20px 14px; border-bottom: 1px solid var(--line); display: grid; gap: 8px; position: relative; background: var(--card-2); }
.viewer header h3 { font-size: 18px; line-height: 1.25; padding-right: 34px; font-weight: 600; }
.viewer header .x { position: absolute; right: 10px; top: 10px; }
.viewer .body { overflow: auto; padding: 18px 20px 60px; flex: 1; }
.pg { margin-bottom: 20px; background: var(--card-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px 16px; }
.pg .pgh { font: 500 10.5px/1.4 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px dashed var(--line-2); }
.pg .txt { white-space: pre-wrap; font: 400 15px/1.75 var(--f-display); color: var(--ink-2); }
mark { background: var(--mark); color: var(--ink); border-radius: 3px; padding: 1px 0; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* ---------- pages (knowledge base, dashboard) ---------- */
.page { max-width: 1160px; margin: 0 auto; padding: 34px 28px 80px; }
.page-head { margin-bottom: 26px; }
.page-head .hero-kicker { margin-bottom: 10px; }
.page-head h1 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 500; line-height: 1.1; }
.page-head h1 em { font-style: italic; color: var(--accent); }
.page-head p { color: var(--ink-2); margin: 10px 0 0; max-width: 66ch; font-size: 16px; }
h2.sec-title { font-size: 22px; font-weight: 500; margin: 38px 0 4px; }
.sub { color: var(--muted); margin: 0 0 14px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 18px; }
.tile { padding: 16px 18px; position: relative; overflow: hidden; }
.tile::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); opacity: .85; }
.tile .k { font: 500 10.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.tile .v { font: 500 34px/1.1 var(--f-display); letter-spacing: -.02em; margin-top: 8px; font-variant-numeric: tabular-nums; font-variation-settings: "opsz" 120; }
.tile .s { color: var(--muted); font-size: 12.5px; margin-top: 3px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; margin-bottom: 16px; }
.panel { padding: 18px 20px; } .panel h3 { font: 500 11px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.panel canvas { max-height: 250px; }
.scroll { overflow-x: auto; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th { text-align: left; font: 500 10.5px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 13px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; background: var(--card-2); position: sticky; top: 0; }
table.t td { padding: 13px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t tbody tr { transition: background .12s; } table.t tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }
table.t tr:last-child td { border-bottom: 0; }
table.t td strong { font: 600 15px/1.35 var(--f-display); }
.bar { height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; min-width: 90px; margin-top: 6px; } .bar > i { display: block; height: 100%; background: var(--accent); transition: width .4s; }
.row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; margin-top: 16px; } .row > div { flex: 1; min-width: 150px; }

.cov-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 20px; }
.covcard { padding: 14px 16px; display: grid; gap: 4px; }
.covcard .k { display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-family: var(--f-display); font-size: 17px; }
.covcard .n { font: 500 12px var(--f-mono); color: var(--muted); }
.covcard.none { background: transparent; border-style: dashed; box-shadow: none; }
.covcard.none .k { color: var(--muted); }
.uploadcard { padding: 20px 22px; margin-bottom: 20px; }
.tabs2 { display: inline-flex; gap: 2px; background: var(--paper-2); border-radius: 10px; padding: 3px; margin-bottom: 16px; }
.tabs2 button { border: 0; background: none; padding: 7px 18px; border-radius: 8px; font-weight: 500; color: var(--muted); display: inline-flex; gap: 8px; align-items: center; }
.tabs2 button.on { background: var(--card); color: var(--accent); box-shadow: 0 1px 2px rgba(0, 0, 0, .12); }
.drop { border: 1.5px dashed var(--line-2); border-radius: var(--r); padding: 28px 20px; text-align: center; background: var(--card-2); color: var(--muted); transition: all .15s; }
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop .big { font: 500 20px var(--f-display); color: var(--ink); margin: 6px 0 2px; }
.pass { padding: 14px 18px; margin-bottom: 10px; }
.pass .ph { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.pass .ph strong { font: 600 15px/1.3 var(--f-display); }
.pass .meta { font-size: 12.5px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 5px; }
.pass .pt { margin-top: 10px; white-space: pre-wrap; font: 400 14.5px/1.65 var(--f-display); color: var(--ink-2); }
.pass .pt.clamp { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }

@media (max-width: 960px) {
  .app, .app.viewer-open { grid-template-columns: 1fr; }
  .side { display: none; }
  .app.viewer-open .viewer { position: fixed; inset: 60px 0 0 0; z-index: 40; }
  .topbar { padding: 0 14px; gap: 8px; } .brand-name { display: none; } .nav { margin-left: 0; } .nav a { padding: 0 10px; } .nav a span { display: none; } .status { display: none; }
  .suggest { grid-template-columns: 1fr; }
  .scope, .thread, .composer { padding-left: 16px; padding-right: 16px; }
  .answer .body { padding: 16px 16px 4px; } .srccards { padding: 14px 12px 6px; } .sc-quote { margin-left: 0; }
  .sc-head { flex-wrap: wrap; } .sc-actions { margin-left: 35px; }
  .page { padding: 24px 16px 60px; }
  .foot span:last-child { display: none; }
}

/* fixes found in review */
.srccards, .more-src { grid-template-columns: minmax(0, 1fr); }
.srccard { min-width: 0; }
.sc-quote, .pass .pt, .answer .body { overflow-wrap: anywhere; }
.badge { white-space: nowrap; }
.covcard .k span:first-child { white-space: nowrap; }
.cov-grid { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.chartbox { position: relative; height: 240px; }
.chartbox canvas { max-height: none !important; }
table.t td.nw { white-space: nowrap; }
.icon span { white-space: nowrap; }
@media (max-width: 560px) {
  .icon span { display: none; }
  .actions { gap: 6px; }
  details.scn summary .muted { display: none; }
  .scope { padding-top: 10px; }
  .hero { margin-top: 3vh; }
}