@font-face{
  font-family:"Vazirmatn";
  src:url("assets/Vazirmatn.woff2") format("woff2");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}

:root{
  color-scheme:light;
  --app-height:100svh;
  --safe-top:env(safe-area-inset-top, 0px);
  --safe-right:env(safe-area-inset-right, 0px);
  --safe-bottom:env(safe-area-inset-bottom, 0px);
  --safe-left:env(safe-area-inset-left, 0px);
  --page:#f3f4ef;
  --panel:#f8f8f4;
  --surface:#ffffff;
  --surface-soft:#f3f3ee;
  --surface-strong:#ecece5;
  --ink:#111111;
  --muted:#777770;
  --muted-2:#a0a099;
  --line:rgba(17,17,17,.075);
  --line-strong:rgba(17,17,17,.13);
  --lime:#ffd400;
  --lime-soft:#fff4a7;
  --coral:#ef6f61;
  --danger:#c53a31;
  --success:#15956f;
  --sidebar-width:312px;
  --header-height:78px;
  --shadow:0 24px 70px rgba(17,17,17,.10);
  --shadow-soft:0 12px 34px rgba(17,17,17,.06);
  --ease:cubic-bezier(.22,.8,.2,1);
}

*{box-sizing:border-box}
html{
  width:100%;
  height:100%;
  overflow:hidden;
  background:var(--page);
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
body{
  width:100%;
  min-width:320px;
  height:var(--app-height);
  margin:0;
  overflow:hidden;
  color:var(--ink);
  background:
    radial-gradient(circle at 12% -8%, rgba(255,212,0,.24), transparent 320px),
    linear-gradient(180deg, #f7f7f3 0%, var(--page) 100%);
  font-family:"Vazirmatn",Tahoma,Arial,sans-serif;
  line-height:1.7;
  overscroll-behavior:none;
  -webkit-tap-highlight-color:transparent;
}
body.is-dialog-open{overflow:hidden}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer;color:inherit}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
svg{
  width:22px;
  height:22px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.85;
  stroke-linecap:round;
  stroke-linejoin:round;
}
[hidden]{display:none!important}

.skip-link{
  position:fixed;
  top:-80px;
  right:16px;
  z-index:500;
  padding:10px 14px;
  border-radius:14px;
  background:#111;
  color:#fff;
  transition:top .2s ease;
}
.skip-link:focus{top:12px}

.chat-app{
  width:100%;
  height:var(--app-height);
  display:grid;
  grid-template-columns:var(--sidebar-width) minmax(0,1fr);
  direction:rtl;
  overflow:hidden;
}

/* Sidebar */
.sidebar{
  position:relative;
  min-width:0;
  height:var(--app-height);
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:18px 14px calc(16px + var(--safe-bottom));
  background:rgba(250,250,247,.88);
  border-left:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(150%);
  overflow:hidden;
  z-index:90;
}
.sidebar__top{
  min-height:54px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.brand{
  min-width:0;
  display:flex;
  align-items:center;
  gap:10px;
}
.brand__logo{
  width:46px;
  height:46px;
  flex:0 0 auto;
  overflow:hidden;
  border-radius:50%;
  background:#fff;
  box-shadow:0 10px 28px rgba(17,17,17,.10);
}
.brand__logo img{width:100%;height:100%;object-fit:cover}
.brand__copy{min-width:0;display:grid;line-height:1.25}
.brand__copy strong{font-size:16px;font-weight:800}
.brand__copy small{
  margin-top:3px;
  color:var(--muted);
  font-size:11px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.icon-button{
  width:44px;
  height:44px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:50%;
  color:var(--ink);
  background:rgba(255,255,255,.84);
  border:1px solid var(--line);
  transition:transform .18s var(--ease),background .18s ease,border-color .18s ease;
}
.icon-button:hover{background:#fff;border-color:var(--line-strong);transform:translateY(-1px)}
.icon-button:active{transform:scale(.96)}
.sidebar-close{display:none}
.new-chat{
  width:100%;
  min-height:50px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:0 15px;
  border-radius:18px;
  background:var(--lime);
  color:#111;
  font-weight:800;
  box-shadow:0 12px 26px rgba(255,212,0,.2);
  transition:transform .18s var(--ease),filter .18s ease;
}
.new-chat:hover{transform:translateY(-1px);filter:brightness(1.015)}
.new-chat:active{transform:scale(.985)}
.new-chat svg{width:20px;height:20px;stroke-width:2.2}

.history-search{
  min-height:44px;
  display:grid;
  grid-template-columns:22px minmax(0,1fr) 28px;
  align-items:center;
  gap:8px;
  padding:0 11px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.72);
  color:var(--muted);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.history-search:focus-within{
  background:#fff;
  border-color:rgba(17,17,17,.17);
  box-shadow:0 0 0 4px rgba(255,212,0,.14);
}
.history-search svg{width:19px;height:19px}
.history-search input{
  min-width:0;
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  color:var(--ink);
  font-size:13px;
}
.history-search input::placeholder{color:var(--muted-2)}
.history-search button{
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:transparent;
  color:var(--muted);
}
.history-search button:hover{background:var(--surface-soft)}
.history-search button svg{width:16px;height:16px}

.history{
  min-height:0;
  flex:1;
  overflow-y:auto;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:rgba(17,17,17,.16) transparent;
  padding:0 1px 12px;
}
.history::-webkit-scrollbar,.message-scroller::-webkit-scrollbar{width:5px;height:5px}
.history::-webkit-scrollbar-thumb,.message-scroller::-webkit-scrollbar-thumb{background:rgba(17,17,17,.15);border-radius:999px}
.history-group{margin:0 0 14px}
.history-group__title{
  margin:0 8px 6px;
  color:var(--muted-2);
  font-size:11px;
  font-weight:700;
}
.history-items{display:grid;gap:3px}
.history-item{
  position:relative;
  min-width:0;
  display:grid;
  grid-template-columns:minmax(0,1fr) 32px;
  align-items:center;
  gap:4px;
  padding:5px 7px 5px 10px;
  border-radius:14px;
  transition:background .16s ease;
}
.history-item:hover{background:rgba(17,17,17,.045)}
.history-item.is-active{background:#fff;box-shadow:0 8px 22px rgba(17,17,17,.055)}
.history-item__main{
  min-width:0;
  width:100%;
  display:grid;
  gap:1px;
  padding:6px 4px;
  text-align:right;
  background:transparent;
}
.history-item__main strong{
  overflow:hidden;
  color:var(--ink);
  font-size:13px;
  font-weight:650;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.history-item__main small{
  overflow:hidden;
  color:var(--muted-2);
  font-size:10px;
  font-weight:450;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.history-item__more{
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:transparent;
  color:var(--muted);
  opacity:0;
  transition:opacity .16s ease,background .16s ease;
}
.history-item:hover .history-item__more,.history-item.is-active .history-item__more,.history-item__more:focus-visible{opacity:1}
.history-item__more:hover{background:var(--surface-soft)}
.history-item__more svg{width:18px;height:18px}
.history-empty{
  min-height:150px;
  display:grid;
  place-items:center;
  align-content:center;
  gap:7px;
  padding:18px;
  text-align:center;
  color:var(--muted);
}
.history-empty svg{width:28px;height:28px;color:var(--muted-2)}
.history-empty strong{font-size:13px;color:var(--ink)}
.history-empty small{font-size:11px}

.sidebar__footer{display:grid;gap:10px;border-top:1px solid var(--line);padding-top:12px}
.storage-note{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:8px}
.storage-note__icon{width:34px;height:34px;display:grid;place-items:center;border-radius:12px;background:var(--surface-soft)}
.storage-note__icon svg{width:18px;height:18px}
.storage-note>span:last-child{min-width:0;display:grid;line-height:1.45}
.storage-note strong{font-size:11px;font-weight:700}
.storage-note small{color:var(--muted-2);font-size:9.5px}
.sidebar-links{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:10px}
.sidebar-links a,.sidebar-links button{padding:5px 2px;background:transparent;color:inherit}
.sidebar-links a:hover,.sidebar-links button:hover{color:var(--ink)}
.sidebar-links button{font-size:inherit}
.sidebar-backdrop{display:none}

/* Main panel */
.chat-panel{
  position:relative;
  min-width:0;
  height:var(--app-height);
  display:grid;
  grid-template-rows:auto auto minmax(0,1fr) auto;
  grid-template-areas:"header" "banner" "messages" "composer";
  overflow:hidden;
  background:
    radial-gradient(circle at 8% -4%, rgba(255,212,0,.18), transparent 360px),
    linear-gradient(180deg, rgba(248,248,244,.96), rgba(243,244,239,.98));
}
.chat-header{grid-area:header}
.connection-banner{grid-area:banner}
.message-scroller{grid-area:messages}
.composer-zone{grid-area:composer}
.chat-header{
  min-height:var(--header-height);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:12px 22px;
  border-bottom:1px solid var(--line);
  background:rgba(248,248,244,.78);
  backdrop-filter:blur(18px) saturate(150%);
  z-index:30;
}
.chat-header__start{min-width:0;display:flex;align-items:center;gap:12px}
.sidebar-open,.mobile-logo{display:none}
.chat-title{min-width:0;display:grid;line-height:1.3}
.chat-title__row{min-width:0;display:flex;align-items:center;gap:9px}
.chat-title h1{
  max-width:min(50vw,650px);
  margin:0;
  overflow:hidden;
  color:var(--ink);
  font-size:16px;
  font-weight:760;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.chat-title p{margin:4px 0 0;color:var(--muted);font-size:11px}
.online-status{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:5px;
  min-height:24px;
  padding:2px 8px;
  border-radius:999px;
  background:rgba(21,149,111,.09);
  color:#087355;
  font-size:9px;
  font-weight:700;
}
.online-status i{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(21,149,111,.11)}
.online-status.is-busy{background:rgba(255,212,0,.16);color:#715b00}
.online-status.is-busy i{background:#d6a900;animation:statusPulse 1.3s ease infinite}
.online-status.is-offline{background:rgba(197,58,49,.08);color:var(--danger)}
.online-status.is-offline i{background:var(--danger);box-shadow:none}
@keyframes statusPulse{50%{opacity:.45;transform:scale(.75)}}
.chat-header__actions{position:relative;display:flex;align-items:center;gap:8px}
.header-action{
  min-height:42px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.82);
  color:var(--muted);
  font-size:11px;
  font-weight:700;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.header-action:hover{background:#fff;color:var(--ink);border-color:var(--line-strong)}
.header-action[aria-pressed="true"]{background:#111;color:var(--lime);border-color:#111}
.header-action.is-loading svg{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.header-action svg{width:18px;height:18px}
.chat-menu{
  position:absolute;
  top:50px;
  left:0;
  width:174px;
  display:grid;
  gap:3px;
  padding:7px;
  border:1px solid var(--line);
  border-radius:17px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  z-index:100;
}
.chat-menu button{min-height:38px;padding:0 10px;border-radius:11px;background:transparent;text-align:right;font-size:12px}
.chat-menu button:hover{background:var(--surface-soft)}
.chat-menu button.danger{color:var(--danger)}
.connection-banner{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:7px 14px;
  background:#fff4d4;
  border-bottom:1px solid rgba(197,139,0,.16);
  color:#715400;
  font-size:11px;
  z-index:20;
}
.connection-banner svg{width:17px;height:17px}

/* Message area */
.message-scroller{
  position:relative;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  overscroll-behavior-y:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:rgba(17,17,17,.14) transparent;
  scroll-padding-bottom:30px;
  outline:none;
}
.welcome{
  width:min(860px,calc(100% - 40px));
  min-height:100%;
  margin:0 auto;
  display:grid;
  align-content:center;
  justify-items:center;
  padding:44px 0 48px;
  text-align:center;
}
.welcome__mark{
  width:68px;
  height:68px;
  overflow:hidden;
  border-radius:50%;
  background:#fff;
  box-shadow:0 18px 46px rgba(17,17,17,.10),0 0 0 8px rgba(255,212,0,.16);
}
.welcome__mark img{width:100%;height:100%;object-fit:cover}
.welcome__eyebrow{margin:20px 0 5px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.welcome h2{max-width:680px;margin:0;font-size:clamp(28px,4vw,48px);line-height:1.35;font-weight:650;letter-spacing:-.03em}
.welcome__lead{max-width:620px;margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.9}
.starter-grid{
  width:100%;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:30px;
  text-align:right;
}
.starter-grid>button{
  min-width:0;
  min-height:88px;
  display:grid;
  grid-template-columns:44px minmax(0,1fr) 24px;
  align-items:center;
  gap:11px;
  padding:12px;
  border:1px solid var(--line);
  border-radius:24px;
  background:rgba(255,255,255,.84);
  box-shadow:0 10px 28px rgba(17,17,17,.035);
  transition:transform .2s var(--ease),box-shadow .2s ease,border-color .2s ease;
}
.starter-grid>button:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 16px 34px rgba(17,17,17,.07)}
.starter-grid>button:active{transform:scale(.99)}
.starter-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:16px;background:var(--surface-soft)}
.starter-icon svg{width:21px;height:21px}
.starter-icon.lime{background:var(--lime)}
.starter-icon.dark{background:#111;color:var(--lime)}
.starter-icon.soft{background:#e8f3d0}
.starter-icon.coral{background:#ffe8e5;color:#9c3a31}
.starter-grid button>span:nth-child(2){min-width:0;display:grid;line-height:1.45}
.starter-grid strong{font-size:13px;font-weight:750}
.starter-grid small{margin-top:4px;color:var(--muted);font-size:10px;white-space:normal}
.starter-arrow{width:18px;height:18px;color:var(--muted-2)}
.quick-prompts{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin-top:16px}
.quick-prompts button{
  min-height:34px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.66);
  color:var(--muted);
  font-size:10px;
}
.quick-prompts button:hover{background:#fff;color:var(--ink)}

.messages{
  width:min(900px,100%);
  margin:0 auto;
  display:grid;
  align-content:start;
  gap:24px;
  padding:34px 26px 22px;
}
.messages:empty{display:none}
.message{
  min-width:0;
  display:grid;
  grid-template-columns:36px minmax(0,1fr);
  align-items:start;
  gap:10px;
  animation:messageIn .22s var(--ease) both;
}
@keyframes messageIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
.message.user{grid-template-columns:minmax(0,1fr);justify-items:end}
.message__avatar{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  overflow:hidden;
  border-radius:50%;
  background:#111;
  color:var(--lime);
  font-size:12px;
  font-weight:800;
  box-shadow:0 8px 18px rgba(17,17,17,.12);
}
.message__avatar img{width:100%;height:100%;object-fit:cover}
.message__body{min-width:0;max-width:min(720px,90%);display:grid;gap:6px}
.message.user .message__body{max-width:min(650px,82%);justify-items:end}
.message__bubble{
  min-width:0;
  padding:13px 16px;
  border:1px solid var(--line);
  border-radius:24px 24px 24px 8px;
  background:rgba(255,255,255,.94);
  color:var(--ink);
  box-shadow:0 10px 28px rgba(17,17,17,.045);
  font-size:14px;
  line-height:2;
  overflow-wrap:anywhere;
}
.message.user .message__bubble{
  border-color:#111;
  border-radius:24px 24px 8px 24px;
  background:#111;
  color:#fff;
  box-shadow:0 12px 30px rgba(17,17,17,.12);
}
.message.is-error .message__bubble{border-color:rgba(197,58,49,.24);background:#fff8f7;color:#7e2721}
.message__content>*:first-child{margin-top:0}
.message__content>*:last-child{margin-bottom:0}
.message__content p{margin:.15em 0 .75em;white-space:pre-wrap}
.message__content h2,.message__content h3,.message__content h4{margin:1em 0 .35em;line-height:1.55}
.message__content h2{font-size:18px}.message__content h3{font-size:16px}.message__content h4{font-size:14px}
.message__content ul,.message__content ol{margin:.5em 0;padding-right:1.2em}
.message__content li{margin:.25em 0}
.message__content a{color:#665400;text-decoration:underline;text-underline-offset:3px}
.message.user .message__content a{color:var(--lime)}
.message__content code{direction:ltr;display:inline-block;padding:1px 6px;border-radius:7px;background:var(--surface-strong);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em}
.message__content pre{direction:ltr;max-width:100%;margin:.75em 0;padding:12px;overflow:auto;border-radius:14px;background:#171717;color:#f7f7f4;text-align:left}
.message__content pre code{display:block;padding:0;background:transparent;color:inherit;white-space:pre}
.message__meta{display:flex;align-items:center;gap:7px;color:var(--muted-2);font-size:9px;min-height:22px}
.message.user .message__meta{justify-content:flex-end}
.message__actions{display:flex;align-items:center;gap:3px;opacity:0;transition:opacity .16s ease}
.message:hover .message__actions,.message:focus-within .message__actions{opacity:1}
.message-action{
  min-width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:0 7px;
  border-radius:999px;
  background:transparent;
  color:var(--muted);
  font-size:9px;
}
.message-action:hover{background:rgba(17,17,17,.055);color:var(--ink)}
.message-action svg{width:14px;height:14px}
.message__status{display:inline-flex;align-items:center;gap:4px}
.message__status.is-error{color:var(--danger)}
.typing-bubble{min-width:58px;min-height:46px;display:flex;align-items:center;gap:5px}
.typing-bubble i{width:7px;height:7px;border-radius:50%;background:#99998f;animation:typing 1.05s infinite ease-in-out}
.typing-bubble i:nth-child(2){animation-delay:.14s}.typing-bubble i:nth-child(3){animation-delay:.28s}
@keyframes typing{0%,70%,100%{opacity:.35;transform:translateY(0)}35%{opacity:1;transform:translateY(-4px)}}
.scroll-anchor{width:1px;height:1px}
.latest-button{
  position:absolute;
  right:50%;
  bottom:calc(116px + var(--safe-bottom));
  transform:translateX(50%);
  z-index:28;
  min-height:36px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.94);
  box-shadow:0 12px 30px rgba(17,17,17,.12);
  color:var(--ink);
  font-size:10px;
  font-weight:700;
  backdrop-filter:blur(12px);
}
.latest-button svg{width:16px;height:16px}

/* Composer */
.composer-zone{
  position:relative;
  z-index:25;
  padding:8px 18px calc(10px + var(--safe-bottom));
  background:linear-gradient(to top, rgba(243,244,239,1) 68%, rgba(243,244,239,.94) 82%, transparent 100%);
}
.composer-wrap{width:min(900px,100%);margin:0 auto}
.draft-status{height:14px;padding:0 15px;color:var(--muted-2);font-size:9px;line-height:14px}
.composer{
  min-height:62px;
  display:grid;
  grid-template-columns:42px minmax(0,1fr) 48px;
  align-items:end;
  gap:6px;
  padding:7px;
  border:1px solid var(--line);
  border-radius:28px;
  background:rgba(255,255,255,.95);
  box-shadow:0 18px 48px rgba(17,17,17,.10);
  backdrop-filter:blur(16px) saturate(140%);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.composer:focus-within{border-color:rgba(17,17,17,.16);box-shadow:0 18px 48px rgba(17,17,17,.11),0 0 0 4px rgba(255,212,0,.12)}
.composer-icon{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  align-self:end;
  border-radius:50%;
  background:transparent;
  color:var(--muted);
}
.composer-icon:hover{background:var(--surface-soft);color:var(--ink)}
.composer-icon svg{width:20px;height:20px}
#messageInput{
  width:100%;
  min-height:46px;
  max-height:160px;
  margin:0;
  padding:10px 8px 8px;
  resize:none;
  overflow-y:auto;
  border:0;
  outline:0;
  background:transparent;
  color:var(--ink);
  font-size:14px;
  line-height:1.8;
  scrollbar-width:thin;
}
#messageInput::placeholder{color:var(--muted-2)}
.send-button{
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  align-self:end;
  border-radius:50%;
  background:var(--lime);
  color:#111;
  transition:transform .18s var(--ease),filter .18s ease,opacity .18s ease;
}
.send-button:hover{filter:brightness(1.02);transform:translateY(-1px)}
.send-button:active{transform:scale(.95)}
.send-button:disabled{opacity:.45;cursor:default;transform:none}
.send-button svg{grid-area:1/1;width:22px;height:22px;stroke-width:2.1;transition:opacity .15s ease,transform .15s ease}
.send-button .send-icon{transform:scaleX(-1)}
.send-button .stop-icon{opacity:0;transform:scale(.7)}
.send-button.is-stop{background:#111;color:var(--lime)}
.send-button.is-stop .send-icon{opacity:0;transform:scale(.7)}
.send-button.is-stop .stop-icon{opacity:1;transform:scale(1)}
.composer-note{margin:7px 0 0;text-align:center;color:var(--muted-2);font-size:9px;line-height:1.5}

/* Dialog / toast */
.dialog-backdrop{position:fixed;inset:0;z-index:300;background:rgba(17,17,17,.24);backdrop-filter:blur(8px)}
.dialog{
  position:fixed;
  right:50%;
  top:50%;
  z-index:310;
  width:min(390px,calc(100% - 28px));
  transform:translate(50%,-50%);
  padding:20px;
  border:1px solid rgba(255,255,255,.7);
  border-radius:26px;
  background:rgba(255,255,255,.97);
  box-shadow:0 28px 90px rgba(17,17,17,.22);
}
.dialog h2{margin:0;font-size:19px;line-height:1.5}
.dialog p{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.8}
.dialog label{display:block;margin:14px 0 5px;color:var(--muted);font-size:11px}
.dialog input{width:100%;min-height:46px;padding:0 12px;border:1px solid var(--line-strong);border-radius:14px;outline:0;background:#fff;font-size:14px}
.dialog input:focus{box-shadow:0 0 0 4px rgba(255,212,0,.15)}
.dialog__actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.dialog__actions button{min-height:40px;padding:0 16px;border-radius:13px;font-size:12px;font-weight:700}
.dialog-cancel{background:var(--surface-soft);color:var(--muted)}
.dialog-confirm{background:#111;color:#fff}
.dialog-confirm.danger{background:var(--danger)}
.toast{
  position:fixed;
  right:50%;
  bottom:calc(22px + var(--safe-bottom));
  z-index:400;
  max-width:min(430px,calc(100% - 30px));
  transform:translate(50%,18px);
  padding:10px 14px;
  border-radius:16px;
  background:rgba(17,17,17,.94);
  color:#fff;
  box-shadow:0 18px 50px rgba(17,17,17,.22);
  opacity:0;
  pointer-events:none;
  font-size:11px;
  text-align:center;
  transition:opacity .2s ease,transform .2s var(--ease);
}
.toast.show{opacity:1;transform:translate(50%,0)}

/* Focus */
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,.message-scroller:focus-visible{
  outline:3px solid rgba(255,212,0,.46);
  outline-offset:2px;
}

@media (max-width:980px){
  :root{--sidebar-width:300px}
  .messages{padding-inline:20px}
  .welcome{width:min(760px,calc(100% - 28px))}
}

@media (max-width:800px){
  .chat-app{grid-template-columns:1fr}
  .sidebar{
    position:fixed;
    top:0;
    right:0;
    width:min(330px,88vw);
    transform:translateX(105%);
    box-shadow:-20px 0 60px rgba(17,17,17,.16);
    transition:transform .28s var(--ease);
  }
  body.sidebar-open .sidebar{transform:translateX(0)}
  .sidebar-close{display:grid}
  .sidebar-backdrop{
    position:fixed;
    inset:0;
    display:block;
    z-index:80;
    background:rgba(17,17,17,.24);
    backdrop-filter:blur(5px);
    opacity:0;
    pointer-events:none;
    transition:opacity .24s ease;
  }
  body.sidebar-open .sidebar-backdrop{opacity:1;pointer-events:auto}
  .sidebar-open{display:grid}
  .mobile-logo{width:42px;height:42px;display:block;overflow:hidden;border-radius:50%;box-shadow:0 8px 20px rgba(17,17,17,.09)}
  .mobile-logo img{width:100%;height:100%;object-fit:cover}
  .chat-header{padding-inline:12px}
  .chat-title p{display:none}
  .chat-title h1{max-width:42vw;font-size:14px}
  .location-action span{display:none}
  .location-action{width:42px;padding:0;justify-content:center}
  .welcome{padding-top:34px;align-content:start}
  .starter-grid{grid-template-columns:1fr;max-width:620px}
  .messages{padding-inline:15px}
  .composer-zone{padding-inline:10px}
}

@media (max-width:560px){
  :root{--header-height:66px}
  .chat-header{gap:8px;padding:8px 9px}
  .chat-header__start{gap:8px}
  .icon-button{width:42px;height:42px}
  .mobile-logo{display:none}
  .chat-title__row{gap:6px}
  .chat-title h1{max-width:38vw;font-size:13px}
  .online-status{min-height:20px;padding:1px 6px;font-size:8px}
  .chat-header__actions{gap:5px}
  .welcome{width:calc(100% - 20px);padding:26px 0 32px}
  .welcome__mark{width:58px;height:58px}
  .welcome__eyebrow{margin-top:16px}
  .welcome h2{font-size:28px;line-height:1.45}
  .welcome__lead{font-size:12px;padding-inline:4px}
  .starter-grid{margin-top:22px;gap:8px}
  .starter-grid>button{min-height:78px;border-radius:21px;padding:10px;grid-template-columns:40px minmax(0,1fr) 19px}
  .starter-icon{width:40px;height:40px;border-radius:14px}
  .starter-grid strong{font-size:12px}.starter-grid small{font-size:9px}
  .quick-prompts{flex-wrap:nowrap;width:100%;justify-content:flex-start;overflow-x:auto;scrollbar-width:none;padding-bottom:3px}
  .quick-prompts::-webkit-scrollbar{display:none}
  .messages{gap:18px;padding:24px 10px 16px}
  .message{grid-template-columns:30px minmax(0,1fr);gap:7px}
  .message__avatar{width:30px;height:30px;font-size:10px}
  .message__body{max-width:94%}
  .message.user .message__body{max-width:88%}
  .message__bubble{padding:11px 13px;border-radius:21px 21px 21px 7px;font-size:13px;line-height:1.95}
  .message.user .message__bubble{border-radius:21px 21px 7px 21px}
  .message__actions{opacity:1}
  .latest-button{bottom:calc(102px + var(--safe-bottom))}
  .composer-zone{padding:5px 7px calc(7px + var(--safe-bottom))}
  .draft-status{display:none}
  .composer{min-height:56px;grid-template-columns:38px minmax(0,1fr) 44px;padding:6px;border-radius:25px}
  .composer-icon{width:38px;height:38px}
  #messageInput{min-height:42px;max-height:120px;padding:8px 5px 6px;font-size:16px;line-height:1.65}
  .send-button{width:44px;height:44px}
  .composer-note{display:none}
  .toast{bottom:calc(88px + var(--safe-bottom))}
}

@media (max-width:370px){
  .online-status{display:none}
  .chat-title h1{max-width:39vw}
  .starter-grid small{display:none}
  .starter-grid>button{min-height:66px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* Rich assistant responses returned by Discovera's formatter */
.message.assistant .message__body{width:min(100%,820px)}
.message.assistant .message__bubble{width:100%}
.message__content .ai-response-stack{display:grid;gap:12px;min-width:0}
.message__content .ai-response-stack>p{margin:0;line-height:2}
.message__content .ai-decision-card,
.message__content .ai-card{
  min-width:0;
  overflow:hidden;
  padding:14px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.72);
  box-shadow:0 8px 24px rgba(17,17,17,.035);
}
.message__content .ai-card{padding:0}
.message__content .ai-card__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:5px}
.message__content .ai-card__head h3{margin:0;font-size:14px}
.message__content .ai-decision-card p{margin:4px 0 0;color:#4f4f49;line-height:1.95}
.message__content .ai-decision-card ul{margin:8px 0 0}
.message__content .ai-card__media{overflow:hidden;background:var(--surface-soft)}
.message__content .ai-card__media img{width:100%;max-height:330px;object-fit:cover}
.message__content .ai-card__body{padding:12px 14px}
.message__content .route-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.message__content .tag{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  padding:5px 10px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:var(--surface-soft);
  color:#292925;
  font-size:11px;
  font-weight:700;
  line-height:1.5;
  text-decoration:none;
}
.message__content a.tag.cyan{background:#111;color:#fff;border-color:#111;text-decoration:none}
.message__content .ai-mini-map{overflow:hidden;border-radius:16px;margin:10px 0;background:#ecece7}
.message__content .ai-mini-map svg{display:block;width:100%;height:auto;min-height:180px}
.message__content .ai-map-results{margin-top:10px}
.message__content .ai-map-result a{flex:0 0 auto}
.message__content .response-envelope{gap:10px}
.message__content .response-lead{padding:2px 2px 4px;font-size:14px;line-height:2}
.message__content .response-lead p{margin:0}
.message__content .response-status{display:inline-flex;margin-bottom:6px;padding:3px 8px;border-radius:999px;background:#fff4b8;color:#594900;font-size:10px;font-weight:800}
.message__content .response-section>h3{margin:0 0 8px;font-size:14px}
.message__content .response-item-list{display:grid;gap:8px}
.message__content .response-result-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.message__content .response-result-item:last-child{padding-bottom:0;border-bottom:0}
.message__content .response-result-item.is-column{align-items:flex-start;flex-direction:column}
.message__content .response-result-item strong{display:block;font-size:13px;line-height:1.7}
.message__content .response-result-item p{margin:3px 0 0;color:var(--muted);font-size:11px;line-height:1.75}
.message__content .response-actions button,.message__content .response-chips span{font-family:inherit;cursor:pointer}
.message__content .response-sources{padding:9px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.56)}
.message__content .response-sources summary{cursor:pointer;font-size:11px;font-weight:800}
.message__content .response-sources ul{margin:8px 0 0}
.message__content .response-fact-grid{display:grid;grid-template-columns:minmax(80px,.7fr) minmax(0,1.3fr);gap:7px 12px;margin:0}
.message__content .response-fact-grid dt{color:var(--muted);font-size:11px}
.message__content .response-fact-grid dd{margin:0;font-size:12px;font-weight:700}
.message__content .response-table{width:100%;border-collapse:collapse;font-size:11px}
.message__content .response-table th,.message__content .response-table td{padding:8px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top}
.message__content .response-table th{font-weight:800}
.message__content .response-section.is-status{border-color:#e2cf66;background:#fffbea}
.message__content .response-section.is-critical{border-color:#e9a0a0;background:#fff2f2}
.message__content .response-bundle-row,.message__content .response-itinerary-day{padding:8px 0;border-bottom:1px solid var(--line)}
.message__content .response-bundle-row:last-child,.message__content .response-itinerary-day:last-child{border-bottom:0}
.message__content .response-bundle-row p,.message__content .response-itinerary-day p{margin:2px 0 0;color:var(--muted);font-size:11px}
.composer-icon.has-file{background:#111;color:var(--lime);box-shadow:0 0 0 3px rgba(255,212,0,.28)}

@media (max-width:560px){
  .message__content .ai-decision-card,.message__content .ai-card{padding:11px;border-radius:15px}
  .message__content .ai-card{padding:0}
  .message__content .ai-map-result{align-items:flex-start!important;flex-direction:column}
  .message__content .ai-map-result a{align-self:flex-start}
  .message__content .response-result-item{align-items:flex-start;flex-direction:column}
  .message__content .response-table{display:block;max-width:100%;overflow-x:auto;white-space:nowrap}
}