/* chat-v6.css — owned by the chat wave. Loaded after styles.css + styles/app-v6.css.
 * Compose the v6 tokens/components from app-v6.css; do not redefine tokens.
 *
 * Cascade note: the legacy glass gate in styles.css wins on class count
 * (html:not(.noglask) body:not(.contrast) :is(...)), so the chat surfaces that
 * must paint in EVERY mode are scoped through an id (#msgs / #view / #topbar).
 * Contrast mode is handled explicitly at the end of this file.
 *
 * Anatomy owned here: thread cards (trust rail), verdict header, lead, the one
 * step list, body/caution, banners, citation cards, feedback row, composer
 * dock, streaming shell, new-answer pill, chat list (search/scope/swipe),
 * zero state, display dialog.
 */

/* ============================================================ 0. PRIMITIVES */
.sr-only{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
  border:0;font-size:12px}
html{scroll-padding-bottom:calc(var(--dock-h,120px) + var(--kb,0px) + 24px)}
/* One device-token treatment everywhere: <b> = mono 600 tabular. */
.msg.ai b,.ladder b{font-family:var(--f-mono);font-weight:600;font-variant-numeric:tabular-nums;
  letter-spacing:-.01em}
/* Citation pills (render-time restyle of [CCx INST shS pP]; the stored tuple is
 * untouched and stays the link's accessible name). */
.citelink{position:relative;display:inline-flex;align-items:baseline;gap:2px;
  vertical-align:baseline;padding:3px 6px;margin:-3px 0;
  border-radius:var(--r-xs);border:1px solid color-mix(in srgb,var(--acc) 55%,transparent);
  background:color-mix(in srgb,var(--acc) 10%,transparent);
  color:var(--acc-ink);font-family:var(--f-mono);font-size:var(--fs-12);font-weight:700;
  font-variant-numeric:tabular-nums;text-decoration:none;white-space:nowrap;
  transition:background var(--dur-1) var(--ease-out),transform var(--dur-1) var(--spring)}
/* Inline pills cannot be 44px tall without wrecking the paragraph line box:
 * an invisible pseudo hit-area gives a 44px touch target instead (WCAG 2.5.8
 * exempts inline links; this is better than the exemption). */
.citelink::before{content:"";position:absolute;left:-4px;right:-4px;top:-11px;bottom:-11px;
  border-radius:var(--r-xs)}
.citelink:active{transform:scale(.96);background:var(--acc-weak)}
.cite{font-family:var(--f-mono);font-size:var(--fs-12);color:var(--mut);
  font-variant-numeric:tabular-nums}

/* =============================================================== 1. THREAD */
#msgs{gap:var(--s5)}
#msgs .msg{font-size:var(--fs-17);line-height:1.5}
#msgs .msg.me{align-self:flex-end;max-width:78%;background:var(--surface-2);
  border:0;border-radius:var(--r-md) var(--r-md) var(--r-xs) var(--r-md);
  padding:10px 14px;box-shadow:none;text-align:left}
#msgs .msg.me .mtxt{overflow-wrap:anywhere}
#msgs .msg.me .thumb{display:block;max-width:220px;border-radius:var(--r-sm);
  margin-bottom:var(--s2)}

/* The answer block: real surface + a 3px trust-coloured rail. */
#msgs .msg.ai{position:relative;max-width:100%;background:var(--surface);
  border:1px solid var(--hair);border-radius:var(--r-md);
  padding:14px 16px 12px 18px;box-shadow:var(--e1);overflow:visible}
#msgs .msg.ai::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 2px 2px 0;background:var(--trust,var(--line))}
#msgs .msg.ai[data-trust="ok"]{--trust:var(--ok)}
#msgs .msg.ai[data-trust="warn"]{--trust:var(--warn)}
#msgs .msg.ai[data-trust="danger"]{--trust:var(--danger)}
#msgs .msg.ai[data-trust="info"]{--trust:var(--line)}
#msgs .msg.ai.acard,#msgs .msg.ai.ladder,#msgs .msg.ai.ecard{
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-md);
  font-size:var(--fs-17);line-height:1.5;padding:14px 16px 12px 18px}
#msgs .msg.ai.refused{background:color-mix(in srgb,var(--danger) 5%,var(--surface))}
@media (min-width:700px){#msgs .msg.ai{max-width:68ch}}

/* --------------------------------------------------- 1a. verdict header */
#msgs .verdict{display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  margin:0 0 var(--s3)}
#msgs .vchip{display:inline-flex;align-items:center;gap:5px;min-height:22px;
  padding:0 7px;border-radius:var(--r-xs);border:0;
  background:var(--surface-2);color:var(--mut);
  font-size:var(--fs-13);font-weight:600;letter-spacing:.002em;white-space:nowrap}
#msgs .vchip .vg{font-size:13px;line-height:1}
#msgs .vchip.ok{background:color-mix(in srgb,var(--ok) 13%,var(--surface));color:var(--ok-ink)}
#msgs .vchip.warn{background:color-mix(in srgb,var(--warn) 14%,var(--surface));color:var(--warn-ink)}
#msgs .vchip.danger{background:color-mix(in srgb,var(--danger) 12%,var(--surface));color:var(--danger-ink)}
/* LOW confidence: danger ink + a 3-bar meter (HIGH and LOW used to look identical). */
#msgs .vchip.conf-low::after{content:"";width:16px;height:10px;margin-left:2px;
  background:linear-gradient(90deg,currentColor 0 4px,transparent 4px 6px,
    currentColor 6px 10px,transparent 10px 12px,color-mix(in srgb,currentColor 35%,transparent) 12px 16px);
  border-radius:1px}
#msgs .vchip.live{background:var(--acc-weak);color:var(--acc-ink)}
#msgs .vchip.live .ldot{width:7px;height:7px;border-radius:50%;background:var(--acc);
  animation:chatsendpulse 1.1s ease-in-out infinite}

/* -------------------------------------------------------------- 1b. lead */
#msgs .acard .action,#msgs .ladder .action,#msgs .ecard .action{margin:0 0 var(--s3)}
#msgs .acard .action .lead,#msgs .ladder .action .lead,#msgs .ecard .action{
  font-size:var(--fs-20);line-height:1.28;font-weight:650;letter-spacing:-.02em;
  color:var(--txt);margin:0;overflow-wrap:anywhere}
#msgs .refused .action .lead{display:flex;align-items:baseline;gap:var(--s2);color:var(--danger-ink)}
#msgs .refused .action .rg{font-size:20px;line-height:1.1;flex:none}
#msgs .laddersub{font-size:var(--fs-15);color:var(--mut);margin:0 0 var(--s2)}
#msgs .ladder-lead{font-size:var(--fs-17);line-height:1.45;color:var(--txt);
  margin:var(--s2) 0 var(--s3);overflow-wrap:anywhere}

/* --------------------------------------------------- 1c. ONE step system */
#msgs .acard ol.steps{margin:var(--s1) 0 var(--s3);padding-left:0;list-style:none;
  counter-reset:st;font-size:var(--fs-17);line-height:1.45}
#msgs .acard ol.steps li{position:relative;margin:0 0 var(--s3);padding-left:32px;
  min-height:24px;overflow-wrap:anywhere}
#msgs .acard ol.steps li:last-child{margin-bottom:var(--s2)}
#msgs .acard ol.steps li::before{counter-increment:st;content:counter(st);
  position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;
  background:var(--acc-weak);color:var(--acc-ink);
  font-size:var(--fs-12);font-weight:700;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center}
/* Isolation steps: a real, tappable checkbox instead of a fake number. */
#msgs .acard ol.steps.iso li{padding-left:36px}
#msgs .acard ol.steps.iso li::before{counter-increment:none;content:"";top:2px;
  width:22px;height:22px;border-radius:var(--r-xs);background:transparent;
  border:2px solid var(--line)}
#msgs .acard .tbc{color:var(--acc-ink);font-weight:700}

/* ------------------------------------------------- 1d. body + caution */
#msgs .body{font-size:var(--fs-17);line-height:1.5;color:var(--txt);
  margin:0 0 var(--s2);overflow-wrap:anywhere}
#msgs blockquote.caution{margin:var(--s3) 0;padding:2px 0 2px var(--s3);
  border-left:3px solid var(--acc);border-radius:0;
  background:linear-gradient(90deg,color-mix(in srgb,var(--acc) 9%,transparent),transparent 70%);
  font-size:var(--fs-17);line-height:1.45;color:var(--txt);font-weight:500}
#msgs .refusebody p{margin:0 0 var(--s2);font-size:var(--fs-17);line-height:1.5;color:var(--txt)}

/* ----------------------------------------------------------- 1e. banners */
#msgs .banner-isolate,#msgs .banner-stale,#msgs .banner-weak,#msgs .banner-unver{
  display:flex;align-items:flex-start;gap:var(--s2);margin:0 0 var(--s3);
  padding:10px var(--s3);border-radius:var(--r-sm);min-height:44px;
  font-size:var(--fs-15);font-weight:600;line-height:1.35}
#msgs .banner-isolate .bg,#msgs .banner-stale .bg,#msgs .banner-weak .bg,
#msgs .banner-unver .bg{flex:none;font-size:15px;line-height:1.4}
#msgs .banner-isolate{border-left:3px solid var(--acc);color:var(--txt);
  background:color-mix(in srgb,var(--acc) 13%,var(--surface))}
#msgs .banner-weak{border-left:3px solid var(--warn);color:var(--warn-ink);
  background:color-mix(in srgb,var(--warn) 11%,var(--surface))}
#msgs .banner-stale{border-left:3px solid var(--danger);color:var(--danger-ink);
  background:color-mix(in srgb,var(--danger) 8%,var(--surface))}
/* UNVERIFIED CITATION — a danger banner, never ordinary body prose. */
#msgs .banner-unver{border-left:3px solid var(--danger);color:var(--danger-ink);
  background:color-mix(in srgb,var(--danger) 8%,var(--surface))}
#msgs .banner-unver b{font-weight:700}
#msgs .banner-isolate.safety-foot{margin:var(--s3) 0 var(--s1)}
#msgs .disclose{font-size:var(--fs-13);font-weight:600;color:var(--acc-ink);
  margin:var(--s2) 0}

/* -------------------------------------------------- 1f. provenance + refs */
#msgs .trust{font-size:var(--fs-12);font-weight:600;color:var(--mut);
  margin:var(--s3) 0 0;padding-top:var(--s3);border-top:1px solid var(--hair);
  font-variant-numeric:tabular-nums}
#msgs h3.refhead{margin:var(--s4) 0 var(--s2);font-size:var(--fs-12);font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}
#msgs h3.refhead .num{font-variant-numeric:tabular-nums}

/* Citation card: sheet number as the title, device tag leading, 13px sheet
 * title, 12px cubicle/page meta, chevron. */
#msgs .msg.ai .refcard{display:grid;grid-template-columns:1fr auto;
  column-gap:var(--s3);row-gap:1px;align-items:center;
  margin:var(--s2) 0 0;padding:11px 14px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--hair);box-shadow:var(--e1);
  color:var(--txt);text-decoration:none;
  transition:transform var(--dur-1) var(--spring),box-shadow var(--dur-2) var(--ease-out)}
#msgs .msg.ai .refcard:active{transform:scale(.99);box-shadow:none;background:var(--surface-2)}
#msgs .msg.ai .refcard .tag{grid-column:1;grid-row:1;font-family:var(--f-mono);
  font-size:var(--fs-17);font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--txt);background:transparent;padding:0;border-radius:0;margin:0;
  letter-spacing:-.02em}
#msgs .msg.ai .refcard .tag:empty{display:none}
#msgs .msg.ai .refcard .t{grid-column:1;grid-row:2;font-size:var(--fs-13);
  font-weight:500;color:var(--mut);line-height:1.35;overflow-wrap:anywhere}
#msgs .msg.ai .refcard .t b{font-family:var(--f-mono);font-weight:700;color:var(--txt);
  font-size:var(--fs-15)}
#msgs .msg.ai .refcard .m{grid-column:1;grid-row:3;font-size:var(--fs-12);color:var(--mut);
  font-variant-numeric:tabular-nums}
#msgs .msg.ai .refcard::after{content:"\203A";grid-column:2;grid-row:1/span 3;
  align-self:center;color:var(--mut);font-size:22px;line-height:1}
#msgs .msg.ai .refcard .why{grid-column:1/span 2;grid-row:5;color:var(--mut);
  font-size:var(--fs-13);margin-top:var(--s1)}
#msgs .msg.ai .refcard .sibbadge,#msgs .msg.ai .refcard .unverbanner{
  grid-column:1/span 2;grid-row:4;margin-top:var(--s2);padding:6px 10px;
  border-radius:var(--r-xs);font-size:var(--fs-13);font-weight:700;letter-spacing:.02em}
#msgs .msg.ai .refcard .sibbadge{color:var(--acc-ink);background:var(--acc-weak)}
#msgs .msg.ai .refcard .unverbanner{color:var(--danger-ink);
  background:color-mix(in srgb,var(--danger) 12%,var(--surface))}
/* The rails must actually paint (the legacy .msg.ai .refcard rule flattened
 * them). Id-scoped so the glass gate cannot repaint the left edge. */
#msgs .msg.ai .refcard.ref-sib{border-left:3px dashed var(--acc)}
#msgs .msg.ai .refcard.ref-unver{border-left:3px solid var(--danger);
  background:color-mix(in srgb,var(--danger) 6%,var(--surface))}
#msgs .msg.ai .refcard.ref-stale{opacity:.72}
#msgs .refrest{margin-top:0}
#view #msgs .showall{min-height:44px;width:auto;margin:var(--s2) 0 0;padding:0 var(--s3);
  background:transparent;border:1px dashed var(--line);color:var(--acc-ink);
  box-shadow:none;font-size:var(--fs-13);font-weight:700}

/* -------------------------------------------------------- 1g. feedback row */
#msgs .fbrow{display:flex;gap:var(--s2);margin-top:var(--s4);flex-wrap:nowrap}
#msgs .fbbtn{flex:1 1 auto;min-height:44px;padding:0 var(--s2);border-radius:var(--r-sm);
  border:1px solid var(--hair);background:transparent;color:var(--mut);
  font-size:var(--fs-13);font-weight:600;white-space:nowrap;cursor:pointer;
  transition:transform var(--dur-1) var(--spring),background var(--dur-1) var(--ease-out)}
#msgs .fbbtn:active{transform:scale(.97);background:var(--surface-2);color:var(--txt)}
#msgs .fbbtn.fix{color:var(--txt);border-color:var(--line)}
#msgs .fbbtn.more{flex:0 0 44px;font-size:18px;line-height:1;color:var(--txt)}
/* The legacy label swap (font-size:0 + ::after "Not for me") would print both
 * labels now that the buttons carry real 13px text — retire the pseudo copy. */
#msgs .fbbtn[data-thumbup]::after,#msgs .fbbtn[data-thumbdown]::after{content:none}
#msgs .fbmenu{display:flex;gap:var(--s2);margin-top:var(--s2)}
#msgs .fbmenu[hidden]{display:none}
#msgs .fbmenu .fbbtn{min-height:44px}
#msgs .fbfix{margin-top:var(--s2)}
#msgs .fbfix label{display:block;font-size:var(--fs-13);font-weight:600;color:var(--mut);
  margin-bottom:var(--s1)}
#msgs .fbfix .row{display:flex;gap:var(--s2);margin-top:var(--s2)}
#msgs .fbfix .fixin{width:100%;min-height:48px;padding:0 var(--s3);
  background:var(--surface-2);border:1px solid var(--hair);border-radius:var(--r-sm);
  color:var(--txt);font-size:var(--fs-17);font-family:inherit}
#msgs .fbfix .hint{font-size:var(--fs-12);color:var(--mut);margin-top:var(--s1)}
#msgs .ecard .row{display:flex;gap:var(--s2);margin-top:var(--s3)}

/* --------------------------------------------------- 1h. streaming shell */
#msgs .msg.ai.streaming{--trust:var(--acc)}
#msgs .msg.ai.streaming[hidden]{display:none}
#msgs .stream-line{font-size:var(--fs-17);line-height:1.5;color:var(--txt);
  white-space:pre-wrap;overflow-wrap:anywhere}
#msgs .stream-body{white-space:pre-wrap}
#msgs .caret{display:inline-block;width:2px;height:1.05em;margin-left:2px;
  vertical-align:-.16em;background:var(--acc);border-radius:1px;
  animation:caret-blink 1s steps(1,end) infinite}
@keyframes caret-blink{0%,49%{opacity:1}50%,100%{opacity:0}}
/* Citation verify sweep on a freshly landed answer. */
#msgs .msg.ai.just-landed::after{content:"";position:absolute;inset:0;
  border-radius:inherit;pointer-events:none;overflow:hidden;
  background:linear-gradient(100deg,transparent 32%,color-mix(in srgb,var(--acc) 20%,transparent) 50%,transparent 68%);
  background-size:240% 100%;animation:cite-sweep var(--dur-4) var(--ease-out) 1 both}
@keyframes cite-sweep{from{background-position:180% 0;opacity:1}to{background-position:-60% 0;opacity:0}}

/* ------------------------------------------------------------ 1i. foundline */
#foundline{display:flex;align-items:center;gap:var(--s2);margin:0 0 var(--s2);
  font-size:var(--fs-13);font-weight:600;color:var(--mut)}
#foundline .fdot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--acc);
  animation:chatsendpulse 1.2s ease-in-out infinite}

/* --------------------------------------------------------- 1j. new-answer pill */
#newpill{position:fixed;left:50%;transform:translateX(-50%);
  bottom:calc(var(--dock-h,120px) + 12px + var(--kb,0px) + env(safe-area-inset-bottom));
  z-index:35;min-height:44px;padding:0 var(--s4);border:0;border-radius:var(--r-pill);
  background:var(--acc);color:var(--acc-t);font-size:var(--fs-15);font-weight:700;
  box-shadow:var(--e3);cursor:pointer;animation:pill-in var(--dur-3) var(--spring) both}
#newpill[hidden]{display:none}
@keyframes pill-in{from{opacity:0;transform:translate(-50%,10px)}
  to{opacity:1;transform:translate(-50%,0)}}

/* ============================================================ 2. COMPOSER */
#view .dock{background:var(--surface);border-top:1px solid var(--hair);
  bottom:var(--kb,0px);
  padding:var(--s2) var(--s4) calc(var(--s2) + env(safe-area-inset-bottom))}
#view .dock .composer{display:flex;align-items:flex-end;gap:var(--s2);
  width:100%;box-sizing:border-box;min-height:0;padding:6px;
  background:var(--surface-2);border:1px solid var(--hair);border-radius:var(--r-lg);
  box-shadow:none;
  transition:border-color var(--dur-2) var(--ease-out),box-shadow var(--dur-2) var(--ease-out),
    transform var(--dur-1) var(--spring)}
#view .dock .composer:focus-within{border-color:color-mix(in srgb,var(--acc) 60%,var(--line));
  box-shadow:0 0 0 3px var(--acc-weak)}
#view .dock .composer.sending{transform:scale(.995)}
#view .dock .composer .cwrap{flex:1 1 auto;min-width:0;display:flex;align-items:center}
#view .dock .composer #qin{flex:1 1 auto;min-width:0;width:100%;box-sizing:border-box;
  resize:none;overflow-y:auto;max-height:120px;padding:10px var(--s1);
  border:0;outline:0;background:transparent;color:var(--txt);
  font-family:inherit;font-size:var(--fs-17);line-height:24px}
#view .dock .composer #qin::placeholder{color:var(--mut)}
#view .dock .composer #qin:focus-visible{outline:none}
#view .dock .composer .cbtn{flex:none;width:44px;height:44px;min-width:44px;min-height:44px;
  border-radius:50%;border:0;background:transparent;color:var(--mut);
  display:flex;align-items:center;justify-content:center;padding:0;cursor:pointer;
  transition:background var(--dur-1) var(--ease-out),transform var(--dur-1) var(--spring)}
#view .dock .composer .cbtn:active{transform:scale(.92);background:var(--surface-3)}
#view .dock .composer .cbtn[hidden]{display:none}
#view .dock .composer #qsend{flex:none;width:44px;height:44px;min-width:44px;min-height:44px;
  padding:0;border:0;border-radius:50%;background:var(--acc);color:var(--acc-t);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:transform var(--dur-1) var(--spring),filter var(--dur-1) var(--ease-out)}
#view .dock .composer #qsend svg{width:21px;height:21px}
#view .dock .composer #qsend:active{transform:scale(.9)}
#view .dock .composer #qsend:disabled{opacity:.45;cursor:default}
#view .dock #sendstate{display:flex;align-items:center;gap:var(--s2);
  font-size:var(--fs-13);font-weight:600;color:var(--mut);margin:0 0 var(--s2);min-height:0}
#view .dock #sendstate:empty{display:none;margin:0}
#view .dock #sendstate .elapsed{font-family:var(--f-mono);font-variant-numeric:tabular-nums;
  color:var(--txt)}
#view .dock #sendstate .cancelbtn{margin-left:auto;min-height:44px;min-width:88px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface-2);
  color:var(--txt);font-size:var(--fs-15);font-weight:700;padding:0 var(--s4)}
#view .dock #photoprev{margin:0 0 var(--s2)}
#view .dock #photoprev:not(:empty){display:flex;align-items:center;gap:var(--s2)}
#view .dock #photoprev .thumb{max-width:120px;border-radius:var(--r-sm)}
#view .dock #netnote:not(:empty){display:flex;align-items:center;
  background:color-mix(in srgb,var(--acc) 10%,var(--surface));border:1px solid var(--hair);
  color:var(--txt);border-radius:var(--r-sm);padding:10px var(--s3);
  font-size:var(--fs-13);font-weight:600;margin:0 0 var(--s2)}

/* --------------------------------------------------------- 2a. display dialog */
.menuscrim{position:fixed;inset:0;z-index:44;background:rgba(0,0,0,.3);
  opacity:0;transition:opacity var(--dur-2) var(--ease-out)}
.menuscrim:not([hidden]){opacity:1}
.menuscrim[hidden]{display:none}
body.contrast .menuscrim{background:rgba(0,0,0,.75)}
#chatmenu{position:fixed;z-index:45;right:var(--s4);
  top:calc(var(--topbar-h) + env(safe-area-inset-top) + var(--s1));
  width:min(320px,calc(100vw - 32px));padding:var(--s2) var(--s2) var(--s3);
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-md);
  box-shadow:var(--e4)}
#chatmenu[hidden]{display:none}
#chatmenu .ovsec{font-size:var(--fs-12);font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--mut);margin:var(--s2) var(--s3) var(--s1)}
#chatmenu .mi{display:flex;align-items:center;justify-content:space-between;gap:var(--s3);
  width:100%;min-height:52px;padding:0 var(--s3);border:0;border-radius:var(--r-sm);
  background:transparent;color:var(--txt);font-size:var(--fs-17);font-weight:500;
  text-align:left;cursor:pointer}
#chatmenu .mi:active{background:var(--surface-2)}
#chatmenu .sw{position:relative;flex:none;width:46px;height:28px;border-radius:var(--r-pill);
  background:var(--surface-3);transition:background var(--dur-2) var(--ease-out)}
#chatmenu .sw::after{content:"";position:absolute;top:2px;left:2px;width:24px;height:24px;
  border-radius:50%;background:#fff;box-shadow:var(--e1);
  transition:transform var(--dur-2) var(--spring)}
#chatmenu .mi[aria-pressed="true"] .sw{background:var(--acc)}
#chatmenu .mi[aria-pressed="true"] .sw::after{transform:translateX(18px)}

/* ========================================================== 3. CHAT LIST */
#view .listbar{margin:0 0 var(--s3)}
#view .listbar input{width:100%;box-sizing:border-box;min-height:44px;
  padding:0 var(--s3);border-radius:var(--r-sm);background:var(--surface);
  border:1px solid var(--hair);color:var(--txt);font-size:var(--fs-17);
  font-family:inherit;box-shadow:var(--e1);-webkit-appearance:none;appearance:none}
#view .listbar input:focus{border-color:var(--acc);outline:none;box-shadow:var(--e2)}
#view .listbar input::-webkit-search-cancel-button{-webkit-appearance:none}
/* ONE crane scope control: a single segmented container (not a chip wall) —
 * flush segments, hairline dividers, the active one is a raised surface. */
#view .scope{display:flex;gap:0;padding:2px;margin:0 0 var(--s3);
  background:var(--surface-2);border:1px solid var(--hair);border-radius:var(--r-sm);
  overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
#view .scope::-webkit-scrollbar{display:none}
#view .scope-b{flex:0 0 auto;min-height:44px;padding:0 var(--s3);border:0;
  border-radius:calc(var(--r-sm) - 3px);background:transparent;color:var(--mut);
  font-size:var(--fs-15);font-weight:600;font-family:var(--f-mono);
  font-variant-numeric:tabular-nums;cursor:pointer;
  transition:background var(--dur-2) var(--ease-out),color var(--dur-2) var(--ease-out)}
#view .scope-b + .scope-b{box-shadow:inset 1px 0 0 var(--hair)}
#view .scope-b[aria-pressed="true"]{background:var(--surface);color:var(--acc-ink);
  box-shadow:var(--e1)}
#view .newchat{width:100%;margin:0 0 var(--s2);min-height:48px;
  background:var(--surface);border:1px dashed var(--line);color:var(--acc-ink);
  font-size:var(--fs-15);font-weight:700;box-shadow:none}
#view .newpicker{margin:0 0 var(--s3);padding:var(--s2) var(--s3) var(--s3);
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-md);
  box-shadow:var(--e1)}
#view .newpicker[hidden]{display:none}
#view .newpicker .hint{font-size:var(--fs-12);color:var(--mut);margin:var(--s2) 0 0}
#view .fixedcard{display:flex;align-items:center;gap:var(--s3);width:100%;
  min-height:56px;margin:0 0 var(--s2);padding:var(--s3) var(--s4);text-align:left;
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-md);
  box-shadow:var(--e1);color:var(--txt);cursor:pointer}
#view .fixedcard:active{transform:scale(.985)}
#view .fixedcard .lr-txt{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px}
#view .fixedcard .lr-txt b{font-size:var(--fs-15);font-weight:700}
#view .fixedcard .lr-txt small{font-size:var(--fs-13);color:var(--mut)}
#view .fixedcard .conttitle{font-family:var(--f-mono);font-size:var(--fs-17);
  font-weight:700;color:var(--acc-ink)}
#view .fixedcard .contsub{flex:1 1 auto;font-size:var(--fs-13);color:var(--mut)}
#view .fixedcard .chev{flex:none;color:var(--mut);font-size:22px;line-height:1}
#view .contcard{justify-content:flex-start}
#view #chatlist .sec:first-child{margin-top:var(--s2)}
#view .listhint{margin:0 2px var(--s2);font-size:var(--fs-12);color:var(--mut)}

/* Swipe-to-archive row. */
#view .swipe{position:relative;overflow:hidden;border-radius:0;
  border-bottom:1px solid var(--hair);background:var(--surface)}
#view .swipe:first-child{border-top:1px solid var(--hair)}
#view .swipe .stray{position:absolute;top:0;right:0;bottom:0;display:flex;z-index:0;
  touch-action:pan-y}
#view .swipe .sact{width:80px;min-height:44px;border:0;color:#fff;
  font-size:var(--fs-13);font-weight:700;cursor:pointer}
#view .swipe .sact.arch{background:var(--n-600)}
/* Destructive tray: white on the dark-mode --danger (#ff453a) measured
 * 3.41:1 — use a deeper red in dark mode so the label stays ≥4.5:1. */
#view .swipe .sact.del{background:var(--danger)}
html[data-theme="dark"] #view .swipe .sact.del{background:#8f1d1a}
#view .swipe .chatrow{position:relative;z-index:1;touch-action:pan-y;
  -webkit-user-drag:none;user-select:none;display:grid;
  grid-template-columns:1fr auto;column-gap:var(--s3);row-gap:2px;
  min-height:76px;padding:12px var(--s4) 12px var(--gutter);
  background:var(--surface);color:var(--txt);text-decoration:none;
  border-radius:0;transition:transform var(--dur-3) var(--ease)}
#view .swipe .chatrow:active{background:var(--surface-2)}
/* the reveal is class-driven: focus-driven opening must stay animated so a
 * plain mouse click still lands on the link (critic P1) */
#view .swipe.open .chatrow{transform:translateX(-160px)}
#view .swipe .chatrow .ct{grid-column:1;grid-row:1;font-size:var(--fs-17);
  font-weight:600;letter-spacing:-.015em;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap}
#view .swipe .chatrow .cm{grid-column:1;grid-row:2;display:flex;align-items:center;
  gap:0;font-size:var(--fs-12);color:var(--mut);font-variant-numeric:tabular-nums}
/* separators are pseudo-elements: a real text node here fails the contrast
 * gate (the dot colour is a hairline, not text). */
#view .swipe .chatrow .cm > * + *::before{content:"·";color:var(--mut);
  margin:0 6px;font-weight:600}
#view .swipe .chatrow .cm .casset{font-family:var(--f-mono);font-weight:700;color:var(--acc-ink)}
#view .swipe .chatrow .qpill{background:var(--acc-weak);color:var(--acc-ink);
  border-radius:var(--r-xs);padding:0 6px;font-weight:700;font-size:var(--fs-12)}
#view .swipe .chatrow .cp{grid-column:1;grid-row:3;font-size:var(--fs-13);color:var(--mut);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#view .swipe .chatrow .cgo{grid-column:2;grid-row:1/span 3;align-self:center;
  color:var(--mut);font-size:22px;line-height:1}

/* ========================================================= 4. ZERO STATE */
#view .zerohero{margin:var(--s2) 2px var(--s4)}
#view .zerotitle{font-size:var(--fs-24);font-weight:700;letter-spacing:-.02em;
  margin:0 0 var(--s1);color:var(--txt)}
#view .zerosub{font-size:var(--fs-15);color:var(--mut);margin:0;max-width:46ch;line-height:1.4}
#view .recents{display:flex;flex-direction:column;gap:var(--s1)}
#view .recrow{display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  column-gap:var(--s3);min-height:48px;padding:0 var(--s3);
  background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-sm);
  color:var(--txt);text-decoration:none;font-size:var(--fs-15)}
#view .recrow .tag{font-family:var(--f-mono);font-weight:700;font-size:var(--fs-13);
  color:var(--acc-ink)}
#view .recrow .rt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--txt);font-weight:500}
#view .recrow .rm{color:var(--mut);font-size:var(--fs-12);font-family:var(--f-mono)}
#view .lastchat{display:flex;align-items:center;gap:var(--s3);min-height:52px;
  padding:0 var(--s3);background:var(--surface);border:1px solid var(--hair);
  border-radius:var(--r-sm);color:var(--txt);text-decoration:none;margin-bottom:var(--s1)}
#view .lastchat .lc{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
#view .lastchat .lct{font-size:var(--fs-15);font-weight:600;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
#view .lastchat .lcm{font-size:var(--fs-12);color:var(--mut)}
#view .lastchat .cgo{color:var(--mut);font-size:22px}
#view .chips{margin:var(--s1) 0 var(--s2)}

/* ==================================================== 5. A11Y / THEMES */
/* Big type: app-v6 scales the tokens on html.bigtype, but chat.js applies the
 * persisted preference to <body> (chat-ui-big) — mirror the ramp here so the
 * mode actually changes the chat type scale, not just one selector. */
body.bigtype{--fs-12:14px;--fs-13:16px;--fs-15:18px;--fs-17:20px;--fs-20:24px;
  --fs-22:26px;--fs-24:28px;--fs-28:32px;--fs-34:38px}
/* High contrast (body.contrast) is opaque black/white/yellow: re-assert the
 * surfaces the glass gate would flatten, and keep the rail legible. */
body.contrast #msgs .msg.ai,body.contrast #msgs .msg.ai.acard,
body.contrast #msgs .msg.ai.ladder,body.contrast #msgs .msg.ai.ecard{
  background:#000;border-color:#fff}
body.contrast #msgs .msg.ai::before{background:#ff0}
body.contrast #msgs .vchip,body.contrast #msgs .msg.ai .refcard,
body.contrast #view .scope,body.contrast #view .scope-b[aria-pressed="true"],
body.contrast #view .swipe .chatrow,body.contrast #view .recrow,
body.contrast #view .lastchat,body.contrast #view .newpicker,
body.contrast #view .fixedcard,body.contrast #chatmenu,
body.contrast #view .dock .composer{background:#000;color:#fff;border-color:#fff}
body.contrast #msgs .citelink{color:#ff0;border-color:#ff0;
  background:transparent}
body.contrast #msgs .acard ol.steps li::before{background:#000;color:#ff0;
  border:1px solid #ff0}
body.contrast #msgs blockquote.caution{background:transparent;border-left-color:#ff0}
body.contrast #msgs .banner-isolate,body.contrast #msgs .banner-weak,
body.contrast #msgs .banner-stale,body.contrast #msgs .banner-unver{
  background:#000;color:#fff;border-left-color:#ff0}
body.contrast #view .swipe .sact.arch,body.contrast #view .swipe .sact.del{
  background:#fff;color:#000}
body.contrast #newpill{background:#ff0;color:#000}
/* Reduced motion: no sweep, no caret blink, no pill spring. */
@media (prefers-reduced-motion:reduce){
  #msgs .msg.ai.just-landed::after{display:none}
  #msgs .caret{animation:none}
  #newpill{animation:none}
  #msgs .vchip.live .ldot,#foundline .fdot{animation:none}
}
/* Short viewport (keyboard / landscape): compact but never below the 44px
 * target floor. */
@media (max-height:520px){
  #msgs .msg.ai,#msgs .msg.ai.acard,#msgs .msg.ai.ladder,#msgs .msg.ai.ecard{
    padding:10px 12px 8px 16px}
  #msgs .acard .action .lead{font-size:var(--fs-17)}
  #msgs .banner-isolate,#msgs .banner-stale,#msgs .banner-weak,#msgs .banner-unver{
    min-height:44px;font-size:var(--fs-13);padding:6px var(--s2)}
  #view .dock{padding:var(--s1) var(--s3) calc(var(--s1) + env(safe-area-inset-bottom))}
}
@media (max-width:359px){
  #msgs .msg.me{max-width:92%}
  #msgs .fbbtn.fix{flex:1 1 100%}
  #msgs .fbrow{flex-wrap:wrap}
  #msgs .fbbtn.more{flex:0 0 44px}
  #view .dock .composer{padding:4px}
  #view .dock .composer #qin{font-size:16px}
  #view .dock .composer .cbtn{width:44px;height:44px;min-width:44px}
}
/* Landscape rail (>=600px wide, short): keep the list/thread readable. */
@media (min-width:600px) and (max-height:520px){
  #view .dock .composer{border-radius:var(--r-md)}
  #msgs .msg.ai{max-width:100%}
}