/* ==========================================================
   AI 工单助手 · 交互演示
   沿用作品集的纸面/黑墨/橙色体系，内部用更密的「产品界面」尺度
   ========================================================== */

:root{
  --paper:#F5F1E8;
  --paper-deep:#EDE7DA;
  --ink:#14110F;
  --ink-soft:#4A443E;
  --ink-faint:#6E6659;
  --accent:#F25400;
  --accent-deep:#B23C00;
  --line:color-mix(in srgb,var(--ink) 14%,transparent);
  --serif:"Instrument Serif","Noto Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --mock-bg:#FFFDF8;
  --mock-line:#E4DDD0;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body.demo{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.demo::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(var(--ink) .5px, transparent .5px);
  background-size:4px 4px;opacity:.03;mix-blend-mode:multiply;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,ol,ul,dl,dd,dt{margin:0}
ol,ul{padding:0;list-style:none}
::selection{background:var(--accent);color:var(--paper)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
[hidden]{display:none !important}

/* ---------------- 顶栏 ---------------- */
.demobar{
  position:relative;z-index:5;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.8rem clamp(16px,4vw,40px);
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--paper) 92%,transparent);
  backdrop-filter:blur(8px);
}
.demobar-back{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.8125rem;color:var(--ink-soft);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.demobar-back:hover{color:var(--accent-deep);gap:.65rem}
.demobar-title{
  font-family:var(--serif);font-size:1.1rem;letter-spacing:.01em;
  display:flex;align-items:baseline;gap:.55rem;
}
.demobar-title span{
  font-family:var(--sans);font-size:.6875rem;letter-spacing:.16em;
  color:var(--accent-deep);text-transform:uppercase;
}
.demobar-badge{
  font-size:.6875rem;letter-spacing:.12em;color:var(--ink-faint);
  border:1px solid var(--line);padding:.25rem .55rem;
}

/* ---------------- 页头 ---------------- */
.demo-wrap{
  position:relative;z-index:1;
  max-width:1440px;margin:0 auto;
  padding:0 clamp(16px,4vw,40px) clamp(48px,7vw,96px);
}
.stage-intro{padding:clamp(2rem,5vw,4rem) 0 clamp(1.4rem,3vw,2.2rem)}
.demo-eyebrow{
  display:flex;align-items:center;gap:.8rem;
  font-size:.6875rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-faint);
}
.demo-eyebrow .rule{display:block;width:clamp(32px,6vw,84px);height:1px;background:var(--accent)}
.demo-display{
  margin-top:clamp(1rem,2.5vw,1.6rem);
  font-family:var(--serif);font-weight:400;
  font-size:clamp(2rem,1.2rem + 3.4vw,4rem);
  line-height:1.06;letter-spacing:-.02em;
}
.demo-display em{font-style:italic;color:var(--accent)}
.demo-lede{
  max-width:46rem;margin-top:clamp(1rem,2.5vw,1.6rem);
  color:var(--ink-soft);font-size:clamp(.9375rem,.9rem + .2vw,1.0625rem);
}

/* 步骤条 */
.steps{
  display:flex;flex-wrap:wrap;gap:1.2rem 2.4rem;
  margin-top:clamp(1.4rem,3vw,2rem);
  padding-top:1rem;border-top:1px solid var(--line);
  counter-reset:none;
}
.steps li{
  display:flex;align-items:baseline;gap:.55rem;
  color:var(--ink-faint);
  font-size:.8125rem;letter-spacing:.06em;
  transition:color .3s var(--ease);
}
.steps b{
  font-family:var(--serif);font-size:1.05rem;font-weight:400;
  color:color-mix(in srgb,var(--ink) 30%,transparent);
  transition:color .3s var(--ease);
}
.steps li.is-on{color:var(--ink)}
.steps li.is-on b{color:var(--accent)}
.steps li.is-done{color:var(--ink-soft)}
.steps li.is-done b{color:var(--accent-deep)}

/* ---------------- 舞台 ---------------- */
.stage{
  display:grid;
  grid-template-columns:minmax(0,1fr) 392px;
  gap:clamp(14px,2vw,24px);
  align-items:start;
}

/* ================= 模拟工单系统 ================= */
.mock{
  position:relative;
  background:var(--mock-bg);
  border:1px solid var(--mock-line);
  box-shadow:0 30px 70px -52px rgba(20,17,15,.55);
  min-width:0;
}
.mock-top{
  display:flex;align-items:center;gap:clamp(.8rem,2vw,1.6rem);
  padding:.7rem clamp(.8rem,1.6vw,1.1rem);
  border-bottom:1px solid var(--mock-line);
  background:#FBF7EE;
}
.mock-brand{
  display:flex;align-items:center;gap:.5rem;
  font-size:.8125rem;font-weight:700;letter-spacing:.01em;white-space:nowrap;
}
.mock-logo{
  width:14px;height:14px;background:var(--ink);display:block;
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.mock-nav{
  display:flex;gap:clamp(.6rem,1.6vw,1.2rem);
  font-size:.75rem;color:var(--ink-faint);
}
.mock-nav .is-on{color:var(--ink);font-weight:500;border-bottom:1.5px solid var(--accent);padding-bottom:.15rem}
.mock-user{
  margin-left:auto;display:flex;align-items:center;gap:.45rem;
  font-size:.75rem;color:var(--ink-soft);white-space:nowrap;
}
.mock-avatar{
  width:20px;height:20px;border-radius:50%;
  background:color-mix(in srgb,var(--accent) 16%,transparent);
  color:var(--accent-deep);
  display:grid;place-items:center;font-size:.625rem;
}
.mock-body{display:grid;grid-template-columns:152px minmax(0,1fr);min-height:560px}
.mock-rail{
  border-right:1px solid var(--mock-line);
  padding:1rem .8rem;background:#FCF9F2;
  display:flex;flex-direction:column;gap:.15rem;
  font-size:.75rem;color:var(--ink-faint);
}
.mock-rail span{padding:.4rem .55rem}
.mock-rail .is-on{
  background:color-mix(in srgb,var(--accent) 10%,transparent);
  color:var(--accent-deep);font-weight:500;
  box-shadow:inset 2px 0 0 var(--accent);
}
.mock-rail-note{
  margin-top:auto;font-size:.625rem;line-height:1.5;color:color-mix(in srgb,var(--ink) 34%,transparent);
}
.mock-main{padding:clamp(.9rem,2vw,1.4rem);min-width:0;display:flex;flex-direction:column;gap:1.1rem}

.ticket-head{display:flex;gap:1rem;align-items:flex-start;justify-content:space-between}
.ticket-heading{min-width:0}
.ticket-id{font-size:.6875rem;letter-spacing:.1em;color:var(--ink-faint)}
.ticket-head h2{
  margin-top:.4rem;font-family:var(--sans);
  font-size:clamp(1.05rem,.95rem + .6vw,1.35rem);
  font-weight:700;line-height:1.35;letter-spacing:-.01em;
}
.ticket-meta{margin-top:.4rem;font-size:.75rem;color:var(--ink-faint)}
.ticket-flags{display:flex;flex-direction:column;align-items:flex-end;gap:.35rem;flex:none}
.pill{
  font-size:.6875rem;letter-spacing:.04em;color:var(--ink-soft);
  border:1px solid var(--mock-line);padding:.12rem .5rem;white-space:nowrap;
}
.pill-high{color:var(--accent-deep);border-color:color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 7%,transparent)}
.pill-sla{color:var(--ink-faint)}
#ticketStatus[data-state="pending"]{color:var(--accent-deep);border-color:color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
#ticketStatus[data-state="sent"]{color:#2F6B41;border-color:#BFD8C5;background:#EEF6F0}

.ticket-grid{display:grid;grid-template-columns:minmax(0,1fr) 188px;gap:1.1rem}
.ticket-desc h3{
  font-size:.6875rem;font-weight:500;letter-spacing:.14em;
  color:var(--accent-deep);margin-top:.9rem;
}
.ticket-desc h3:first-child{margin-top:0}
.ticket-desc p{margin-top:.35rem;font-size:.8125rem;color:var(--ink-soft);line-height:1.7}
.ticket-timeline{margin-top:.5rem;border-left:1px solid var(--mock-line);padding-left:.8rem;display:grid;gap:.35rem}
.ticket-timeline li{display:flex;gap:.6rem;font-size:.75rem;color:var(--ink-soft)}
.ticket-timeline time{font-variant-numeric:tabular-nums;color:var(--ink-faint);flex:none}
.ticket-timeline li.is-new{color:var(--accent-deep)}
.ticket-timeline li.is-new span::after{content:" · 演示";font-size:.625rem;color:var(--ink-faint)}
.ticket-side{border-left:1px solid var(--mock-line);padding-left:1rem}
.ticket-side dl{display:grid;gap:.6rem}
.ticket-side dt{font-size:.625rem;letter-spacing:.12em;color:var(--ink-faint)}
.ticket-side dd{font-size:.75rem;color:var(--ink-soft);margin-top:.1rem}
.ticket-side-note{margin-top:.9rem;font-size:.625rem;line-height:1.5;color:color-mix(in srgb,var(--ink) 34%,transparent)}

.reply{border-top:1px solid var(--mock-line);padding-top:1rem;margin-top:auto}
.reply-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}
.reply-head h3{font-size:.6875rem;font-weight:500;letter-spacing:.14em;color:var(--accent-deep)}
.reply-hint{font-size:.6875rem;color:var(--ink-faint)}
.reply-hint.is-pending{color:var(--accent-deep)}
.reply-box{
  display:block;width:100%;margin-top:.5rem;
  min-height:104px;resize:vertical;
  background:#FCF9F2;border:1px solid var(--mock-line);
  padding:.7rem .8rem;
  font-family:var(--sans);font-size:.8125rem;line-height:1.7;color:var(--ink);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.reply-box::placeholder{color:color-mix(in srgb,var(--ink) 38%,transparent)}
.reply-box.has-text{background:#fff;border-color:color-mix(in srgb,var(--accent) 42%,transparent)}
.reply-actions{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:.6rem;flex-wrap:wrap}
.gate{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.75rem;color:var(--ink-soft);cursor:pointer;
}
.gate input{accent-color:var(--accent);width:15px;height:15px;margin:0}
.gate:has(input:disabled){color:color-mix(in srgb,var(--ink) 38%,transparent);cursor:default}
.mock-foot{
  border-top:1px solid var(--mock-line);
  padding:.55rem clamp(.8rem,1.6vw,1.1rem);
  font-size:.625rem;letter-spacing:.04em;color:var(--ink-faint);
  background:#FBF7EE;
}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.6rem .9rem;
  font-size:.8125rem;font-weight:500;letter-spacing:.03em;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover:not(:disabled){background:var(--accent-deep)}
.btn-ghost{background:transparent;color:var(--ink);border-color:color-mix(in srgb,var(--ink) 26%,transparent)}
.btn-ghost:hover:not(:disabled){border-color:var(--ink);background:color-mix(in srgb,var(--ink) 5%,transparent)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover:not(:disabled){background:#332D27}
.btn-block{width:100%;margin-top:1rem}

/* ================= 扩展侧边栏 ================= */
.ext{
  position:sticky;top:20px;
  background:var(--ink);color:var(--paper);
  padding:0;
  box-shadow:0 30px 70px -48px rgba(20,17,15,.7);
  min-width:0;
}
.ext-top{
  display:flex;align-items:center;justify-content:space-between;gap:.8rem;
  padding:.85rem .95rem;
  border-bottom:1px solid color-mix(in srgb,var(--paper) 16%,transparent);
}
.ext-brand{display:flex;align-items:center;gap:.6rem;min-width:0}
.ext-mark{
  width:30px;height:30px;flex:none;
  display:grid;place-items:center;
  background:var(--accent);color:#fff;
  font-family:var(--serif);font-size:.9rem;
}
.ext-brand b{display:block;font-family:var(--serif);font-size:1.02rem;font-weight:700;line-height:1.2}
.ext-brand small{display:block;font-size:.625rem;letter-spacing:.12em;color:color-mix(in srgb,var(--paper) 58%,transparent);text-transform:uppercase}
.ext-status{
  display:inline-flex;align-items:center;gap:.35rem;flex:none;
  font-size:.625rem;letter-spacing:.04em;color:color-mix(in srgb,var(--paper) 66%,transparent);
}
.ext-status i{
  width:6px;height:6px;border-radius:50%;background:#7BC08B;display:block;
  box-shadow:0 0 0 3px rgba(123,192,139,.16);
}
.ext-body{padding:.95rem}
.ext-card{
  background:#F7F3EA;color:var(--ink);
  padding:1rem;
  animation:cardIn .35s var(--ease);
}
@keyframes cardIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.ext-card{animation:none}}
.ext-kicker{
  font-size:.625rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-deep);
}
.ext-title{
  margin-top:.45rem;font-family:var(--sans);
  font-size:1rem;font-weight:700;line-height:1.4;letter-spacing:-.005em;
}
.ext-lede{margin-top:.5rem;font-size:.8125rem;color:var(--ink-soft);line-height:1.65}
.ext-meta{
  display:grid;grid-template-columns:1fr 1fr;gap:.45rem .8rem;
  margin-top:.8rem;padding-top:.7rem;border-top:1px solid var(--mock-line);
}
.ext-meta li{display:flex;flex-direction:column;gap:.1rem;min-width:0}
.ext-meta span{font-size:.625rem;letter-spacing:.08em;color:var(--ink-faint)}
.ext-meta b{font-size:.75rem;font-weight:500;color:var(--ink-soft)}
.ext-meta b.warn{color:var(--accent-deep)}
.ext-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.75rem}
.ext-tags span{
  font-size:.625rem;color:var(--ink-soft);
  border:1px solid var(--mock-line);padding:.15rem .45rem;
}
.ext-hint{margin-top:.6rem;font-size:.625rem;color:var(--ink-faint);text-align:center}
.ext-small{font-size:.625rem;color:var(--ink-faint);white-space:nowrap}
.ext-row{display:flex;align-items:baseline;justify-content:space-between;gap:.6rem}

/* 思考态 */
.think-list{display:grid;gap:.5rem;margin-top:.8rem}
.think-list li{
  display:flex;align-items:center;gap:.55rem;
  font-size:.75rem;color:color-mix(in srgb,var(--ink) 40%,transparent);
  transition:color .2s var(--ease);
}
.think-list li::before{
  content:"";width:7px;height:7px;border-radius:50%;
  border:1px solid currentColor;flex:none;
}
.think-list li.is-on{color:var(--accent-deep)}
.think-list li.is-on::before{background:var(--accent);border-color:var(--accent);animation:blink 1s var(--ease) infinite}
.think-list li.is-done{color:var(--ink-soft)}
.think-list li.is-done::before{background:var(--ink);border-color:var(--ink)}
@keyframes blink{50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.think-list li.is-on::before{animation:none}}
.skeleton{display:grid;gap:.4rem;margin-top:1rem}
.skeleton i{display:block;height:7px;background:color-mix(in srgb,var(--ink) 8%,transparent)}
.skeleton i:nth-child(2){width:88%}
.skeleton i:nth-child(3){width:94%}
.skeleton i:nth-child(4){width:60%}
@media (prefers-reduced-motion:no-preference){
  .skeleton i{animation:pulse 1.2s var(--ease) infinite}
  .skeleton i:nth-child(2){animation-delay:.12s}
  .skeleton i:nth-child(3){animation-delay:.24s}
  .skeleton i:nth-child(4){animation-delay:.36s}
}
@keyframes pulse{0%,100%{opacity:.55}50%{opacity:1}}

/* 结果态 */
.kn-list{display:grid;gap:.5rem;margin-top:.7rem}
.kn-list li{
  border-top:1px solid var(--mock-line);padding-top:.45rem;
}
.kn-list li:first-child{border-top:0;padding-top:0}
.kn-head{display:flex;align-items:baseline;justify-content:space-between;gap:.6rem}
.kn-head b{font-size:.75rem;font-weight:500;line-height:1.45}
.kn-head span{font-size:.625rem;color:var(--accent-deep);font-variant-numeric:tabular-nums;flex:none}
.kn-bar{height:2px;background:color-mix(in srgb,var(--ink) 10%,transparent);margin-top:.35rem}
.kn-bar i{display:block;height:100%;background:var(--accent);width:0;transition:width .7s var(--ease)}
.kn-meta{margin-top:.25rem;font-size:.625rem;color:var(--ink-faint)}

.draft-box{margin-top:.9rem;border:1px solid var(--mock-line);background:#fff}
.draft-head{
  display:flex;align-items:center;justify-content:space-between;gap:.6rem;
  padding:.4rem .55rem;border-bottom:1px solid var(--mock-line);
  font-size:.625rem;letter-spacing:.08em;color:var(--ink-faint);
}
.draft-head span:first-child{color:var(--accent-deep)}
.draft-text{
  display:block;width:100%;border:0;background:transparent;
  padding:.6rem .65rem;resize:vertical;
  font-family:var(--sans);font-size:.8125rem;line-height:1.75;color:var(--ink);
  min-height:168px;
}
.draft-text:focus{outline:2px solid var(--accent);outline-offset:-2px}
.draft-note{
  padding:.35rem .65rem .5rem;font-size:.625rem;color:var(--ink-faint);
  border-top:1px dashed var(--mock-line);
}
.ext-actions{display:flex;gap:.5rem;margin-top:.8rem}
.ext-actions .btn{flex:1}
.ext-actions .btn:last-child{flex:1.35}

/* 完成态 */
.done-mark{
  width:34px;height:34px;display:grid;place-items:center;
  border-radius:50%;background:var(--accent);color:#fff;
  font-size:1rem;
}
.done-steps{display:grid;gap:.35rem;margin-top:.9rem;padding-top:.7rem;border-top:1px solid var(--mock-line)}
.done-steps li{
  position:relative;padding-left:1.1rem;
  font-size:.75rem;color:var(--ink-soft);
}
.done-steps li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:.5rem;height:1px;background:var(--accent);
}
.done-steps li.is-wait{color:var(--accent-deep);font-weight:500}

.ext-foot{
  display:flex;align-items:center;justify-content:space-between;gap:.6rem;
  padding:.7rem .95rem;
  border-top:1px solid color-mix(in srgb,var(--paper) 14%,transparent);
}
.ext-foot p{font-size:.625rem;color:color-mix(in srgb,var(--paper) 52%,transparent);line-height:1.5}
.link-btn{
  font-size:.6875rem;letter-spacing:.06em;color:var(--paper);
  border-bottom:1px solid color-mix(in srgb,var(--paper) 40%,transparent);
  padding-bottom:.1rem;flex:none;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-btn:hover{color:var(--accent);border-color:var(--accent)}

/* ---------------- toast ---------------- */
.toast{
  position:fixed;left:50%;bottom:24px;z-index:20;
  transform:translate(-50%,12px);
  max-width:min(92vw,520px);
  background:var(--ink);color:var(--paper);
  padding:.65rem 1rem;font-size:.8125rem;line-height:1.5;
  box-shadow:0 18px 40px -24px rgba(0,0,0,.7);
  opacity:0;transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ---------------- 说明 ---------------- */
.notes{margin-top:clamp(2.4rem,5vw,4rem);padding-top:clamp(1.4rem,3vw,2rem);border-top:1px solid var(--line)}
.notes-title{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.4rem,1.1rem + 1.2vw,2rem);
  letter-spacing:-.01em;
}
.note-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(1rem,3vw,2.4rem);margin-top:clamp(1.2rem,3vw,2rem);
}
.note-grid li{padding-top:.8rem;border-top:1px solid var(--line)}
.note-num{font-family:var(--serif);font-size:1.1rem;color:var(--accent)}
.note-grid h3{margin-top:.35rem;font-size:.9375rem;font-weight:700;letter-spacing:.005em}
.note-grid p{margin-top:.4rem;font-size:.8125rem;color:var(--ink-soft);line-height:1.7}
.notes-foot{margin-top:clamp(1.2rem,3vw,2rem);font-size:.6875rem;color:var(--ink-faint)}

/* ---------------- 响应式 ---------------- */
/* 矮窗口下侧栏比视口高时，改为面板内滚动，避免底部按钮被挡在折叠线外 */
@media (min-width:901px){
  .ext{max-height:calc(100vh - 40px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
}
@media (max-width:1120px){
  .stage{grid-template-columns:minmax(0,1fr) 348px}
  .mock-body{grid-template-columns:minmax(0,1fr)}
  .mock-rail{display:none}
  .ticket-grid{grid-template-columns:minmax(0,1fr)}
  .ticket-side{border-left:0;border-top:1px solid var(--mock-line);padding-left:0;padding-top:.8rem}
  .ticket-side dl{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:900px){
  .stage{grid-template-columns:minmax(0,1fr)}
  .ext{position:static;max-width:none}
  .note-grid{grid-template-columns:1fr}
  .demobar-title{display:none}
}
@media (max-width:560px){
  .demobar{padding:.7rem 16px;gap:.6rem}
  .demobar-badge{font-size:.625rem}
  .mock-nav{display:none}
  .mock-top{padding:.6rem .7rem}
  .mock-main{padding:.75rem}
  .ticket-head{flex-direction:column;gap:.6rem}
  .ticket-flags{flex-direction:row;flex-wrap:wrap;align-items:center}
  .ticket-side dl{grid-template-columns:1fr 1fr}
  .reply-actions{flex-direction:column;align-items:stretch}
  .reply-actions .btn{width:100%}
  .ext-body{padding:.7rem}
  .ext-card{padding:.8rem}
  .ext-meta{grid-template-columns:1fr 1fr}
  .notes-title{font-size:1.3rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}