/* Chat: message thread, composer, inbox and thread list. */
/* chat */
/* ---------- widget frame ---------- */
.chat{position:relative;display:grid;grid-template-rows:minmax(0,1fr) auto;min-height:420px;max-height:70dvh;background:var(--ground)}
.chat.compact{min-height:300px;max-height:480px;height:480px}
.chat-log{overflow:auto;gap:10px;align-content:start;position:relative;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;overflow-anchor:none;padding:8px 16px 14px;display:block;min-height:0;scroll-padding-bottom:16px}
.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--hair);background:var(--paper)}
.composer input{flex:1;min-width:0}
.composer .att{width:auto;max-width:180px;font-size:var(--fs-small)}
.thread-box{margin-top:10px;border-left:2px solid var(--accent-deep);padding:4px 0 4px 14px;display:grid;gap:10px}
.inbox{display:grid;grid-template-columns:320px minmax(0,1fr);border:1px solid var(--hair-strong);background:var(--paper);min-height:560px}
.threads{border-right:1px solid var(--hair-strong);overflow:auto}
.threads-head{display:flex;gap:8px;padding:12px;border-bottom:1px solid var(--hair);position:sticky;top:0;background:var(--paper);z-index:1}
.threads-head input{flex:1;min-width:0}
.thread{display:flex;gap:12px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--hair);text-decoration:none;color:inherit;position:relative}
.thread.on{background:var(--accent);color:var(--on-accent)}
.thread.on .muted{color:var(--on-accent)}
.thread-view{display:grid;grid-template-rows:auto 1fr;min-width:0}
.thread-top{display:flex;gap:12px;align-items:center;padding:10px 16px;border-bottom:1px solid var(--hair-strong);background:var(--paper);min-width:0}
.thread-view .chat{height:100%;min-height:0;max-height:none}
.only-m{display:none}
@media (max-width:960px){
  .inbox{grid-template-columns:1fr}
  .inbox.has-cur .threads{display:none}
  .inbox:not(.has-cur) .thread-view{display:none}
  .threads{border-right:0}
  .only-m{display:inline-flex}
}
@media (max-width:600px){
  .composer .att{max-width:88px;font-size:var(--fs-ui);padding-right:26px}
  /* Messages, open conversation on a phone: Back, the name and Send a track each wrapped onto two lines */
  .thread-top{padding:8px 12px;gap:10px}
  .thread-top .btn{white-space:nowrap}
  .thread-top #thName{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .thread-top > .sp{display:none}
  .thread-top > a.small{display:none}
  .inbox:not(.has-cur){min-height:0}
}
/* chat components (wave 2, one owner each): the chat widget (Messages page + request pages), the inbox list, the settings email switch.
   Loads after app.css and overrides its older chat rules. */
.chat-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.chat-log:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}
.chat-msgs{display:flex;flex-direction:column;min-height:100%;justify-content:flex-end}
/* ---------- separators ---------- */
.chat-day{display:flex;align-items:center;gap:12px;margin:18px 0 6px;font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.chat-unread{display:flex;align-items:center;gap:12px;margin:18px 0 6px;font-family:var(--mono);font-size:var(--fs-micro);letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.chat-day::before,.chat-day::after,.chat-unread::before,.chat-unread::after{content:"";flex:1;height:1px;background:var(--hair)}
.chat-day span{padding:3px 10px;border:1px solid var(--hair);background:var(--paper)}
.chat-unread::before,.chat-unread::after{background:var(--ink);height:2px}
.chat-unread span{background:var(--accent);color:var(--on-accent);padding:3px 10px;border:1px solid var(--on-accent)}
/* ---------- system events: a centred line, not a bubble ---------- */
.chat-sys{align-self:center;max-width:min(92%,520px);margin:12px 0 4px;text-align:center;display:grid;gap:2px;justify-items:center}
.chat-sys p{margin:0;font-size:var(--fs-ui);line-height:1.45;color:var(--ink-soft);padding:6px 12px;border:1px dashed var(--hair-strong);background:var(--paper)}
.chat-sys time{color:var(--muted);margin-left:6px;white-space:nowrap;font-family:var(--display);font-size:var(--fs-caption)}
.chat-sys .cm-link{font-size:var(--fs-caption)}
/* ---------- message rows ---------- */
.cm{display:flex;gap:8px;align-items:flex-start;max-width:100%}
.cm.start{margin-top:12px}
.cm.cont{margin-top:3px}
.cm.me{justify-content:flex-end}
.cm-av{flex:0 0 30px;width:30px;min-height:1px}
.cm-col{display:flex;flex-direction:column;min-width:0;max-width:min(76%,560px)}
.cm.me .cm-col{align-items:flex-end}
.cm.them .cm-col{align-items:flex-start}
.cm-name{color:var(--muted);margin:0 0 3px 2px;font-family:var(--display);font-size:var(--fs-ui);font-weight:600;letter-spacing:0}
.cm-b{position:relative;display:grid;gap:8px;min-width:0;max-width:100%;padding:8px 12px;border:1px solid var(--hair-strong);background:var(--paper);color:var(--ink);border-radius:14px;cursor:default}
.cm.them.start .cm-b{border-top-left-radius:3px}
.cm.me .cm-b{background:var(--accent);color:var(--on-accent);border-color:var(--on-accent)}
.cm.me.start .cm-b{border-top-right-radius:3px}
.cm-text{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font-size:var(--fs-body-s);line-height:1.45}
.cm-text a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.cm-link{color:inherit;text-decoration:underline;text-underline-offset:2px;font-size:var(--fs-ui);font-family:var(--mono)}
.cm.pending .cm-b{opacity:.62}
/* failed send: a red "!" beside the bubble, Retry as a real target, and a tap on the bubble retries too */
.cm.failed .cm-b{border-color:var(--bad);box-shadow:0 0 0 1px var(--bad);cursor:pointer}
/* time + state: shown on hover, on focus, on tap, and always while sending, failed, or for your newest message */
.cm-meta{display:block;white-space:normal;color:var(--muted);line-height:1.2;padding:0 4px;max-height:0;opacity:0;overflow:hidden;transition:opacity .12s,max-height .12s,margin .12s;font-family:var(--display);font-size:var(--fs-caption)}
.cm.show-meta .cm-meta{max-height:48px;opacity:1;margin-top:3px}
.cm:focus-within .cm-meta{max-height:48px;opacity:1;margin-top:3px}
.cm.pending .cm-meta{max-height:48px;opacity:1;margin-top:3px}
.cm.failed .cm-meta{opacity:1;margin-top:3px;color:var(--bad);max-height:60px}
.cm.latest .cm-meta{max-height:48px;opacity:1;margin-top:3px}
@media (hover:hover){
  .cm:hover .cm-meta{max-height:48px;opacity:1;margin-top:3px}
}
.cm-meta button{font:inherit;font-size:var(--fs-micro);background:none;border:0;padding:6px 4px;margin:-6px 0;color:var(--ink);text-decoration:underline;text-underline-offset:2px;cursor:pointer;min-height:28px}
.cm-meta button:focus-visible{outline:2px solid var(--ink);outline-offset:1px}
/* track attachment: a card that turns into the player */
.cm-track{display:flex;align-items:center;gap:10px;min-width:0;padding:6px 10px 6px 6px;border:1px solid currentColor;background:var(--paper);color:var(--ink);border-radius:10px}
.cm-play{flex:0 0 36px;width:36px;height:36px;display:grid;place-items:center;border-radius:var(--r-round);border:1px solid var(--on-accent);background:var(--accent);color:var(--on-accent);cursor:pointer;padding:0}
.cm.me .cm-play{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.cm-play svg{width:13px;height:13px;fill:currentColor;margin-left:2px}
.cm-play:disabled{opacity:.5;cursor:progress}
.cm-play:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.cm-track-t{display:grid;min-width:0;line-height:1.25}
.cm-track-t b{font-size:var(--fs-small);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cm-track-t span{font-family:var(--mono);font-size:var(--fs-micro);color:var(--muted)}
.cm-player:empty{display:none}
.cm-player{width:min(480px,62vw);max-width:100%;background:var(--paper);color:var(--ink);border:1px solid var(--hair);padding:8px;border-radius:8px}
.cm-player .player{margin:0}
/* ---------- empty conversation ---------- */
.chat-empty{margin:auto;display:grid;justify-items:center;gap:8px;text-align:center;padding:36px 16px;max-width:360px}
.chat-empty .av{font-size:var(--fs-body-s)}
.chat-empty p{margin:0}
/* ---------- "New messages" pill ---------- */
.chat-pill{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(var(--cmp-h,68px) + 10px);z-index:3;font-family:var(--mono);font-size:var(--fs-caption);padding:8px 14px;border:1px solid var(--on-accent);background:var(--accent);color:var(--on-accent);border-radius:var(--r-pill);box-shadow:0 4px 16px rgba(0,0,0,.18);cursor:pointer;white-space:nowrap}
.chat-pill:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
/* ---------- composer: box and Send share one height; the box grows to five lines ---------- */
/* attach: a 44px paperclip button; the native track picker sits invisibly on top of it, so a tap opens it on every device */
.chat-composer{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;border-top:1px solid var(--hair-strong);background:var(--paper);flex-wrap:wrap}
.chat-input{flex:1;min-width:0;width:auto;height:44px;min-height:44px;max-height:calc(5 * 1.35em + 22px);resize:none;overflow-y:hidden;line-height:1.35;padding:10px 13px;display:block}
.chat-send{flex:0 0 auto;height:44px;min-height:44px;padding:0 18px}
.chat-att-w{position:relative;flex:0 0 44px;width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--hair-strong);background:var(--paper);color:var(--ink);cursor:pointer}
.chat-att-w svg{width:20px;height:20px}
.chat-att-w.on{background:var(--accent);color:var(--on-accent);border-color:var(--on-accent)}
.chat-att-w:has(select:focus-visible){outline:2px solid var(--ink);outline-offset:2px}
@media (hover:hover){
  .chat-att-w:hover{background:var(--mint)}
  .chat-att-w.on:hover{background:var(--accent-deep)}
}
.chat-composer .chat-att{position:absolute;inset:0;width:100%;height:100%;min-height:0;opacity:0;cursor:pointer;padding:0;border:0;font-size:var(--fs-body)}
.chat-attached{flex:1 0 100%;display:flex;align-items:center;gap:8px;min-width:0;padding:4px 4px 4px 10px;border:1px solid var(--on-accent);background:var(--accent);color:var(--on-accent);font-size:var(--fs-small)}
.chat-attached svg{width:14px;height:14px;fill:currentColor;flex:0 0 14px}
.chat-attached-t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.chat-attached-x{flex:0 0 36px;width:36px;height:36px;border:0;background:none;color:inherit;font-size:var(--fs-h5);line-height:1;cursor:pointer}
.chat-attached-x:focus-visible{outline:2px solid var(--on-accent);outline-offset:-2px}
/* ---------- inbox: list + conversation ---------- */
.msgs-page .inbox{min-height:0;grid-template-rows:minmax(0,1fr)}
.msgs-page .threads{display:flex;flex-direction:column;min-height:0;overflow:auto}
.msgs-page .thread-view{grid-template-rows:auto minmax(0,1fr);min-height:0}
#thList{display:block}
.thread:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}
@media (hover:hover){
  .thread:not(.on):hover{background:var(--mint)}
}
.th-main{display:grid;gap:2px;min-width:0;flex:1}
.th-line{display:flex;align-items:baseline;gap:8px;min-width:0}
.th-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.th-when{flex:0 0 auto;color:var(--muted);font-family:var(--display);font-size:var(--fs-caption)}
.th-prev{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--fs-small);color:var(--muted)}
.thread .nb{flex:0 0 auto;border-radius:var(--r-pill);align-self:center}
.thread.unread .th-prev{color:var(--ink);font-weight:500}
.thread.unread .th-when{color:var(--ink)}
.thread.on .th-prev,.thread.on .th-when{color:var(--on-accent)}
.th-who{display:grid;min-width:0;line-height:1.25;flex:1}
.th-who b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.th-who .small{font-family:var(--display);font-size:var(--fs-caption)}
.thread-top .sp{flex:1}
.thread-back{display:none;width:40px;height:40px;flex:0 0 40px;place-items:center;border:1px solid var(--hair-strong);text-decoration:none;color:var(--ink);font-size:var(--fs-lead);margin-left:-6px}
.thread-back:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
  .cm-meta{transition:none}
}
@media (max-width:960px){
  /* ---------- tablet + phone: list, then conversation, then back ---------- */
  .thread-back{display:grid;width:44px;height:44px;flex:0 0 44px}
  .msgs-page.has-cur > .page-head{display:none}
  .msgs-page.has-cur .inbox{border-left:0;border-right:0;border-top:0}
  .thread-top{position:relative;z-index:2}
}
@media (max-width:600px){
  .chat-log{padding:6px 10px 12px}
  .cm-col{max-width:84%}
  .cm.me .cm-col{max-width:86%}
  .cm-av{flex-basis:26px;width:26px}
  .cm-av .av{width:26px!important;height:26px!important;flex-basis:26px!important;font-size:10px}
  .chat-composer{padding:8px;gap:6px;padding-left:max(8px,env(safe-area-inset-left,0px));padding-right:max(8px,env(safe-area-inset-right,0px))}
  .chat-send{padding:0 14px}
  .thread-top .hide-s{display:none}
  .thread-top .btn.sm{padding:0 10px}
  .thread{padding:12px}
  .chat.compact{height:440px}
}
/* ---------- fix round 2026-09-25 (audit 03): times, attach sheet, retry, one header on phone ---------- */
/* a time line when an hour or more passes between two messages */
.chat-time{align-self:center;margin:14px 0 2px;font-size:var(--fs-caption);color:var(--muted)}
/* the time sits under the last bubble of every group, both sides; the rest still show on tap or hover */
.cm:not(:has(+ .cm.cont)) .cm-meta{max-height:48px;opacity:1;margin-top:3px}
.cm.me.failed .cm-b::before{content:"!";position:absolute;left:-28px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:var(--r-round);background:var(--bad);color:#fff;font:600 13px/20px var(--display);text-align:center}
.cm-meta .cm-retry{position:relative;display:inline-flex;align-items:center;min-height:32px;margin:0 2px;padding:0 12px;border:1px solid var(--bad);border-radius:var(--r-pill);background:var(--paper);color:var(--bad);text-decoration:none;font-family:var(--display);font-size:var(--fs-ui);font-weight:600}
.cm-meta .cm-retry::after{content:"";position:absolute;inset:-6px -2px}
.cm-meta .cm-drop{font-family:var(--display);font-size:var(--fs-ui)}
/* track card: "v1 · 0:40" under the title */
.cm-track-t .cm-track-m{font-family:var(--display);font-size:var(--fs-caption)}
.cm-track-t .cm-track-m:empty{display:none}
.att-list{display:grid;max-height:56dvh;overflow:auto;border:1px solid var(--hair-strong);margin:4px 0 12px}
.att-row{display:grid;gap:2px;min-height:56px;align-content:center;text-align:left;padding:8px 14px;border:0;border-bottom:1px solid var(--hair);background:var(--paper);color:var(--ink);font:inherit;cursor:pointer}
.att-row:last-child{border-bottom:0}
.att-row b{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.att-row span{font-size:var(--fs-ui);color:var(--muted)}
.att-row.on{background:var(--accent);color:var(--on-accent)}
.att-row.on span{color:var(--on-accent)}
.att-row:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}
@media (hover:hover){
  .att-row:not(.on):hover{background:var(--mint)}
}
/* "Write to a mentor" picker rows */
.nm-row{width:100%;text-align:left;background:var(--paper);border:0;border-bottom:1px solid var(--hair);min-height:56px;cursor:pointer;color:inherit;font:inherit;display:flex;justify-content:space-between;align-items:center;gap:12px}
.nm-row:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}
@media (hover:hover){
  .nm-row:hover{background:var(--mint)}
}
@media (max-width:960px){
  .msgs-page.has-cur .thread-top{padding-top:max(8px,env(safe-area-inset-top,0px))}
}
/* reply thread */
.thread-box .replies{display:grid;gap:12px}