[hidden]{display:none!important}

:root{
  --purple-950:#16043f;
  --purple-900:#210672;
  --purple-800:#32117f;
  --purple-700:#4c2695;
  --green-400:#88d75f;
  --green-500:#6dbe46;
  --yellow-300:#ffe873;
  --paper:#fff;
  --surface:#f4f3f7;
  --surface-deep:#ebe9f1;
  --ink:#17152a;
  --ink-soft:#5e5b6f;
  --line:#dedbe6;
  --danger:#b4233b;
  --success:#277546;
  --radius-lg:28px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-lg:0 28px 80px rgba(18,4,55,.2);
  --shadow-sm:0 10px 30px rgba(28,12,68,.08);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--purple-950);
  font-synthesis:none;
}

*{box-sizing:border-box}
html,body{min-height:100%}
body{
  margin:0;
  min-height:100vh;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),
    radial-gradient(circle at 82% 18%,rgba(109,190,70,.22),transparent 26%),
    linear-gradient(125deg,var(--purple-950),var(--purple-900) 64%,#3f1686);
  background-size:76px 76px,76px 76px,auto,auto;
  background-attachment:fixed;
}

button,input,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(136,215,95,.45);outline-offset:2px}
main{min-height:100vh;display:grid;place-items:center;padding:32px}

.card{
  color:#fff;
  background:linear-gradient(145deg,rgba(22,4,63,.94),rgba(50,17,127,.92));
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(18px);
}
.auth-card{position:relative;width:min(100%,500px);padding:38px;overflow:hidden}
.auth-card:after{
  content:"";
  position:absolute;
  width:220px;height:220px;right:-118px;bottom:-118px;
  border:1px solid rgba(136,215,95,.35);
  border-radius:50%;
  box-shadow:0 0 0 38px rgba(255,255,255,.035),0 0 0 78px rgba(255,255,255,.025);
  pointer-events:none;
}

.brand{display:flex;align-items:center;gap:18px;margin-bottom:32px;position:relative;z-index:1}
.brand-logo{display:block;width:145px;height:45px;object-fit:contain;object-position:left center;flex:0 0 auto}
.brand h1,.brand p{margin:0}
.brand h1{font-size:20px;font-weight:650;letter-spacing:-.02em;color:#fff}
.brand p{max-width:235px;color:rgba(255,255,255,.68);margin-top:4px;font-size:13px;line-height:1.45}
.mark{display:none}

form{display:grid;gap:18px;position:relative;z-index:1}
label{display:grid;gap:8px;color:rgba(255,255,255,.82);font-size:13px;font-weight:700;letter-spacing:.01em}
input,textarea{
  width:100%;
  border:1px solid rgba(255,255,255,.26);
  border-radius:12px;
  background:rgba(12,2,39,.56);
  color:#fff;
  padding:13px 14px;
  outline:0;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
input:hover,textarea:hover{border-color:rgba(255,255,255,.44)}
input:focus,textarea:focus{border-color:var(--green-400);box-shadow:0 0 0 4px rgba(136,215,95,.14);background:rgba(12,2,39,.74)}

.primary{
  border:1px solid transparent;
  border-radius:999px;
  background:var(--green-400);
  color:var(--purple-950);
  padding:13px 20px;
  font-weight:750;
  box-shadow:0 8px 24px rgba(109,190,70,.18);
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
}
.primary:hover{background:#9be478;transform:translateY(-1px);box-shadow:0 12px 30px rgba(109,190,70,.25)}
.primary:active{transform:translateY(0)}
.attach-button{position:relative;display:grid;place-items:center;width:48px;height:48px;flex:0 0 48px;padding:0;border:1px solid var(--line);border-radius:50%;background:#fff;color:transparent;font-size:0;line-height:0;box-shadow:0 4px 16px rgba(28,12,68,.06);transition:background .18s ease,border-color .18s ease,transform .18s ease}
.attach-button::before{content:"+";position:absolute;inset:0;display:grid;place-items:center;color:var(--purple-800);font-family:Arial,sans-serif;font-size:28px;font-weight:400;line-height:1;transform:translateY(-1px)}
.attach-button[aria-busy="true"]::before{content:"…";transform:translateY(-4px)}
.attach-button:hover{border-color:var(--purple-700);background:#faf9fc;transform:translateY(-1px)}
.attach-button:disabled{cursor:wait;opacity:.62;transform:none}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.status{position:relative;z-index:1;min-height:22px;color:var(--yellow-300);font-size:14px;line-height:1.5}
.fineprint{position:relative;z-index:1;color:rgba(255,255,255,.54);font-size:12px;line-height:1.55;margin:22px 0 0}
code{display:block;overflow-wrap:anywhere;background:rgba(9,2,31,.6);padding:12px;border-radius:var(--radius-sm);color:var(--yellow-300);margin:8px 0}
details{color:rgba(255,255,255,.62);font-size:12px}

.quiet{
  border:1px solid rgba(255,255,255,.26);
  border-radius:999px;
  background:transparent;
  color:rgba(255,255,255,.82);
  padding:9px 14px;
  font-weight:650;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.quiet:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45);color:#fff}

.chat-shell{
  width:min(1380px,100%);
  height:min(860px,calc(100vh - 64px));
  min-height:0;
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  background:var(--paper);
  border:1px solid rgba(255,255,255,.34);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.chat-shell aside{
  display:flex;
  min-height:0;
  flex-direction:column;
  padding:26px 22px;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(160deg,var(--purple-950),var(--purple-900));
  background-size:56px 56px,56px 56px,auto;
  border-right:1px solid rgba(255,255,255,.12);
}
.compact{display:block;margin-bottom:28px}
.compact .brand-logo{width:145px;height:45px;margin-bottom:18px}
.compact h1{font-size:15px;text-transform:uppercase;letter-spacing:.14em;color:var(--green-400)}
.compact p{max-width:100%;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-shell aside form{grid-template-columns:1fr auto;gap:8px}
.chat-shell aside form input{min-width:0}
.chat-shell aside form button{padding:10px 14px}
.chat-shell aside>.quiet{margin-top:auto}

nav{display:grid;gap:8px;margin:4px -6px 24px;overflow:auto}
nav button{border:1px solid transparent;border-radius:12px;background:transparent;color:rgba(255,255,255,.76);text-align:left;padding:13px 14px;transition:background .18s ease,border-color .18s ease,color .18s ease}
nav button:hover,nav button.active{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.14);color:#fff}

.conversation{min-width:0;min-height:0;overflow:hidden;display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:var(--surface)}
.conversation header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding:22px 28px;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
}
.conversation header h2,.conversation header p{margin:0}
.conversation header h2{color:var(--ink);font-size:21px;font-weight:700;letter-spacing:-.025em}
.conversation header p{color:var(--ink-soft);font-size:12px;margin-top:5px}
.conversation .quiet{border-color:var(--line);background:#fff;color:var(--purple-800);box-shadow:0 4px 16px rgba(28,12,68,.04)}
.conversation .quiet:hover{border-color:var(--purple-700);background:#faf9fc;color:var(--purple-950)}
.header-actions{display:flex;gap:8px;align-items:center}
.lock{color:var(--green-500)}
.lock.connecting{color:#d39b16}

.conversation #messages{
  min-height:0;
  padding:28px;
  overflow:auto;
  display:flex;
  flex-direction:column;
  gap:12px;
  background:
    radial-gradient(circle at 90% 7%,rgba(136,215,95,.1),transparent 22rem),
    var(--surface);
}
.empty{margin:auto;color:var(--ink-soft);padding:28px;text-align:center}
.message{max-width:min(72%,650px);align-self:flex-start}
.message.mine{align-self:flex-end}
.bubble{
  padding:12px 15px;
  border:1px solid var(--line);
  border-radius:16px 16px 16px 4px;
  background:#fff;
  color:var(--ink);
  box-shadow:var(--shadow-sm);
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  line-height:1.45;
}
.mine .bubble{
  border-color:transparent;
  border-radius:16px 16px 4px 16px;
  background:linear-gradient(135deg,var(--purple-900),var(--purple-700));
  color:#fff;
  box-shadow:0 10px 28px rgba(33,6,114,.16);
}
.meta{color:#777286;font-size:11px;margin:5px 6px}
.mine .meta{text-align:right}
.message.system{max-width:100%;align-self:center;padding:7px 13px;border:1px solid #d8d3e5;border-radius:999px;background:rgba(255,255,255,.72);color:var(--purple-700);font-size:12px;text-align:center}
.attachment-bubble{min-width:min(360px,70vw);white-space:normal}
.attachment-content{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px}
.attachment-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--surface-deep);color:var(--purple-700);font-size:18px;font-weight:800}
.attachment-details{display:grid;gap:2px;min-width:0}
.attachment-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:700}
.attachment-size{color:var(--ink-soft);font-size:11px}
.attachment-download{border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--purple-800);padding:8px 11px;font-size:12px;font-weight:750}
.attachment-download:hover{border-color:var(--purple-700);background:var(--surface)}
.attachment-download:disabled{cursor:wait;opacity:.6}
.mine .attachment-icon{background:rgba(255,255,255,.14);color:var(--green-400)}
.mine .attachment-size{color:rgba(255,255,255,.64)}
.mine .attachment-download{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:#fff}
.mine .attachment-download:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.45)}

.conversation #message-form{
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:end;
  gap:10px;
  padding:18px 28px;
  background:#fff;
  border-top:1px solid var(--line);
}
.conversation textarea{resize:none;min-height:48px;border-color:var(--line);background:var(--surface);color:var(--ink);padding:13px 15px}
.conversation textarea::placeholder{color:#898497}
.conversation textarea:hover{border-color:#bdb6cb}
.conversation textarea:focus{border-color:var(--purple-700);box-shadow:0 0 0 4px rgba(76,38,149,.1);background:#fff}
.conversation #message-form .primary{min-width:88px;min-height:48px}
.conversation #message-form[hidden]{display:none}

.conversation-item{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px}
.conversation-item .chat-link{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}
.conversation-item .chat-link>span:first-child{overflow:hidden;text-overflow:ellipsis}
.unread{display:grid;place-items:center;min-width:21px;height:21px;padding:0 6px;border-radius:999px;background:var(--green-400);color:var(--purple-950);font-size:11px;font-weight:900}
.conversation-item .delete-chat{padding:8px;opacity:.6;font-size:13px}
.conversation-item .delete-chat:hover,.conversation-item .delete-chat:focus-visible{opacity:1;background:rgba(180,35,59,.2);color:#ffd5dc}
.client-shell aside nav{margin-top:0}
.client-shell aside .chat-link{width:100%;font-size:17px;font-weight:800;letter-spacing:.12em}
.client-shell aside .chat-link span{margin:auto}
.client-shell aside>#logout{white-space:normal}
.client-shell .conversation #message-form{display:grid}
.client-shell .conversation #message-form[hidden]{display:none}

.boot-card .brand{margin:0}
.boot-card .brand-logo{animation:boot-pulse 1.2s ease-in-out infinite}
@keyframes boot-pulse{50%{transform:scale(.97);opacity:.72}}

@media(max-width:760px){
  html,body{height:100%;overscroll-behavior:none}
  body{min-height:100dvh}
  main{display:block;height:100dvh;min-height:0;padding:0}
  .auth-card{width:100%;min-height:100dvh;padding:max(32px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) max(32px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));border:0;border-radius:0}
  .auth-card input,.auth-card button{min-height:50px;font-size:16px}
  .brand{align-items:flex-start;flex-direction:column;gap:16px}
  .brand p{max-width:100%}
  .chat-shell{width:100%;height:100dvh;min-height:0;border:0;border-radius:0;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);box-shadow:none}
  .chat-shell aside{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand logout" "nav nav";gap:10px 12px;min-height:0;padding:max(12px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) 11px max(14px,env(safe-area-inset-left));border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
  .compact{grid-area:brand;display:flex;align-items:center;flex-direction:row;gap:12px;min-width:0;margin:0}
  .compact .brand-logo{width:104px;height:auto;margin:0;flex:0 0 auto}
  .compact div{display:block;min-width:0}
  .compact h1{font-size:11px}
  .compact p{display:none}
  .chat-shell aside>#logout{grid-area:logout;min-width:72px;min-height:42px;margin:0;font-size:11px;padding:7px 10px}
  .chat-shell nav{grid-area:nav;display:flex;gap:7px;margin:0 -2px;padding:0 2px 2px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;scrollbar-width:thin}
  .conversation-item{flex:0 0 auto;width:min(62vw,240px);scroll-snap-align:start}
  .conversation-item .chat-link{min-height:42px;padding:9px}
  .conversation-item .delete-chat{min-width:40px;min-height:40px;padding:7px;opacity:.8}
  .client-shell aside{grid-template-areas:"brand logout" "nav nav"}
  .client-shell .conversation-item{width:100%}
  .conversation{min-height:0;overflow:hidden}
  .conversation header{min-height:62px;gap:8px;padding:10px max(14px,env(safe-area-inset-right)) 10px max(14px,env(safe-area-inset-left))}
  .conversation header>div:first-child{min-width:0}
  .conversation header h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:17px}
  .conversation header p{display:none}
  .header-actions{flex:0 0 auto;gap:5px}
  .header-actions .quiet{min-height:40px;max-width:94px;padding:7px 9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}
  .conversation #messages{min-height:0;padding:14px max(14px,env(safe-area-inset-right)) 14px max(14px,env(safe-area-inset-left));gap:9px;overscroll-behavior:contain}
  .message{max-width:88%}
  .bubble{padding:10px 12px;font-size:15px;line-height:1.4}
  .meta{font-size:10px}
  .conversation #message-form{grid-template-columns:auto minmax(0,1fr) auto;gap:8px;padding:10px max(14px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));background:#fff}
  .attach-button{width:46px;height:46px;flex-basis:46px;font-size:26px}
  .conversation textarea{min-height:46px;max-height:120px;padding:12px 13px;font-size:16px}
  .conversation #message-form .primary{min-width:70px;min-height:46px;padding:10px 15px}
  .attachment-bubble{min-width:min(310px,82vw)}
  .attachment-content{gap:9px}
  .attachment-download{padding:7px 9px}
  .empty{padding:24px}
}

@media(max-width:430px){
  .header-actions #alerts{display:none}
  .conversation header{gap:5px}
}

@media(max-width:760px) and (max-height:520px){
  .chat-shell aside{grid-template-columns:auto minmax(140px,1fr) auto;grid-template-areas:"brand nav logout";gap:7px}
  .compact div{display:none}
  .conversation header{min-height:48px;padding-top:5px;padding-bottom:5px}
}

@media(hover:none){
  .conversation-item .delete-chat{opacity:.85}
  button{-webkit-tap-highlight-color:transparent}
}

@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}