:root{
  --font-ui:system-ui,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic","Segoe UI",sans-serif;
  --ink:#17213d;
  --forest:#12205b;
  --forest-2:#2f5d9b;
  --mint:#e1ebf7;
  --paper:#f2f5fa;
  --panel:#fff;
  --line:#d8dfeb;
  --muted:#667189;
  --orange:#488dbc;
  --shadow:0 20px 60px rgba(18,32,91,.13)
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:radial-gradient(circle at 12% 8%,#fff 0,transparent 28%),linear-gradient(135deg,#e9eff8 0,#f8fafc 54%,#e8eef8 100%);color:var(--ink);font-family:var(--font-ui);font-weight:400;letter-spacing:-.015em}
button,input,textarea{font:inherit}
button,a{cursor:pointer}
.hidden{display:none!important}
.auth-screen{min-height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 14% 12%,rgba(143,194,231,.32),transparent 31%),linear-gradient(145deg,#0d1742 0,#152963 55%,#274d84 100%)}
.auth-card{width:min(450px,100%);overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:24px;background:#fff;box-shadow:0 30px 90px rgba(4,11,37,.38)}
.auth-brand{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 26px;background:#12205b;color:#b9d9f1}
.auth-brand img{display:block;width:116px;height:auto}
.auth-brand span{font-size:10px;font-weight:800;letter-spacing:.17em}
.auth-copy{padding:30px 30px 18px}
.auth-copy h1{margin:6px 0 9px;color:#12205b;font-size:31px;line-height:1.15;letter-spacing:-.055em}
.auth-copy p:last-child{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.auth-checking{display:flex;align-items:center;gap:12px;margin:0 30px 28px;padding:17px;border-radius:12px;background:#eef3fa;color:#415070;font-size:13px;font-weight:650}
.auth-checking i{width:18px;height:18px;flex:0 0 auto;border:2px solid #b8c7dd;border-top-color:#2f5d9b;border-radius:50%;animation:auth-spin .85s linear infinite}
.login-form{display:grid;gap:8px;padding:0 30px 26px}
.login-form label{margin-top:5px;color:#26365f;font-size:11px;font-weight:750}
.login-form input{width:100%;height:48px;border:1px solid #cbd6e7;border-radius:10px;background:#f9fbfd;color:#17213d;outline:0;padding:0 14px;font-size:15px}
.login-form input:focus{border-color:#2f5d9b;box-shadow:0 0 0 3px rgba(47,93,155,.13)}
.login-form button{height:50px;margin-top:10px;border:0;border-radius:10px;background:#12205b;color:#fff;font-size:14px;font-weight:800}
.login-form button:disabled{opacity:.6;cursor:wait}
.login-error{margin:7px 0 0;padding:10px 12px;border:1px solid #f0b2a8;border-radius:9px;background:#fff1ee;color:#9b3528;font-size:11px;line-height:1.5}
.auth-security{margin:0;padding:16px 30px 20px;border-top:1px solid #e5eaf2;background:#f7f9fc;color:#6d7890;font-size:10px;line-height:1.55;text-align:center}
@keyframes auth-spin{to{transform:rotate(360deg)}}
.chat-shell{height:100%;min-height:680px;display:flex;flex-direction:column;padding:18px}
.chat-topbar{min-height:78px;background:linear-gradient(135deg,#101b4b,#182b6b);color:white;border-radius:18px 18px 0 0;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 22px;box-shadow:var(--shadow)}
.brand-lockup,.topbar-meta{display:flex;align-items:center;gap:14px}
.brand-copy{display:flex;align-items:center;gap:14px;min-width:0}
.brand-logo{display:block;width:116px;height:auto;flex:0 0 auto}
.brand-product{padding-left:14px;border-left:1px solid rgba(255,255,255,.24)}
.back-link{display:grid;place-items:center;width:42px;height:42px;border:1px solid rgba(255,255,255,.32);border-radius:50%;color:white;text-decoration:none;font-size:21px}
.eyebrow{margin:0 0 4px;font-size:10px;font-weight:700;letter-spacing:.15em;color:#8fc2e7}
.chat-topbar h1{font-family:var(--font-ui);font-size:25px;font-weight:700;line-height:1;margin:0;letter-spacing:-.035em}
.topbar-meta{font-size:12px}
.topbar-meta strong{font-size:13px}
.agent-roster{display:flex;align-items:center;gap:5px;padding-right:4px}
.agent-roster span{display:inline-flex;align-items:center;gap:4px;padding:6px 8px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);white-space:nowrap}
.agent-roster b{font-size:10px;color:#eef5ff}
.connection-state,.live-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 10px;background:rgba(255,255,255,.08)}
.connection-state i,.live-pill i{width:7px;height:7px;border-radius:50%;background:#f0b35e;box-shadow:0 0 0 4px rgba(240,179,94,.15)}
.connection-state.online i,.live-pill i{background:#63d69a;box-shadow:0 0 0 4px rgba(99,214,154,.15)}
.connection-state.error i{background:#ff806e;box-shadow:0 0 0 4px rgba(255,128,110,.15)}
.demo-badge{padding:7px 10px;border-radius:999px;background:#f0b35e;color:#26352f;font-weight:700}
.workboard-link{color:white;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px}
.logout-button{border:1px solid rgba(255,255,255,.24);border-radius:999px;background:rgba(255,255,255,.1);color:#fff;padding:7px 10px;font-size:10px;font-weight:700;white-space:nowrap}
.chat-workspace{flex:1;min-height:0;display:grid;grid-template-columns:minmax(300px,360px) minmax(0,1fr);background:var(--panel);border:1px solid rgba(18,32,91,.12);border-top:0;border-radius:0 0 18px 18px;overflow:hidden;box-shadow:var(--shadow)}
.conversation-rail{min-height:0;display:flex;flex-direction:column;border-right:1px solid var(--line);background:rgba(255,255,255,.94)}
.rail-head{display:flex;align-items:center;justify-content:space-between;padding:26px 24px 15px}
.section-kicker{font-size:10px;letter-spacing:.12em;color:var(--forest-2);font-weight:700}
.rail-head h2{font-family:var(--font-ui);font-weight:700;margin:5px 0 0;font-size:25px;letter-spacing:-.04em}
.icon-button{width:39px;height:39px;border-radius:50%;border:1px solid var(--line);background:white;color:var(--forest);font-size:20px}
.search-box{margin:0 20px;display:flex;align-items:center;gap:9px;background:#eef2f7;border:1px solid transparent;border-radius:10px;padding:0 8px 0 12px;color:var(--muted)}
.search-box:focus-within{background:white;border-color:#6d95c9;box-shadow:0 0 0 3px rgba(47,93,155,.12)}
.search-box input{width:100%;border:0;outline:0;background:transparent;padding:11px 0;color:var(--ink);font-size:13px}
.search-clear{width:28px;height:28px;display:grid;place-items:center;border:0;border-radius:50%;background:#e0e7f1;color:var(--forest);font-size:18px;line-height:1}
.rail-summary{display:flex;justify-content:space-between;gap:12px;padding:13px 22px 11px;color:var(--muted);font-size:10px;font-weight:600;letter-spacing:.02em;border-bottom:1px solid var(--line)}
.rail-summary .has-unread{color:#d83c45;font-weight:800}
.rail-error{margin:10px 12px 2px;padding:10px 11px;border:1px solid #f2b9ae;border-radius:8px;background:#fff0ed;color:#9e3d2d;font-size:11px;line-height:1.5}
.conversation-list{overflow:auto;padding:8px 10px 16px}
.conversation-item{width:100%;display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:10px;align-items:start;border:0;border-bottom:1px solid #eceee8;background:transparent;text-align:left;padding:13px 11px;color:var(--ink);border-radius:10px}
.conversation-item:hover{background:#f1f5fa}
.conversation-item.active{background:#edf3fa;box-shadow:inset 3px 0 0 #6d95c9}
.conversation-item.focused{background:var(--mint);box-shadow:inset 4px 0 0 var(--forest-2)}
.farm-avatar{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--forest);color:white;font-family:var(--font-ui);font-weight:700}
.conversation-copy{min-width:0}
.conversation-title{display:block;font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:1px 0 3px}
.conversation-owner{display:block;color:var(--forest-2);font-size:10px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}
.conversation-preview{display:block;color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conversation-status{min-width:34px;display:flex;flex-direction:column;align-items:flex-end;gap:7px;padding-top:2px}
.conversation-time{font-size:10px;color:#7e8983;white-space:nowrap}
.unread-badge{min-width:20px;height:20px;display:grid;place-items:center;border-radius:999px;background:#e5484d;color:#fff;padding:0 6px;font-size:10px;font-weight:800;line-height:1;box-shadow:0 2px 6px rgba(229,72,77,.24)}
.empty-list{padding:42px 18px;text-align:center;color:var(--muted);font-size:13px;line-height:1.7}
.message-stage{min-width:0;min-height:0;overflow:hidden;background:linear-gradient(rgba(255,255,255,.92),rgba(255,255,255,.92)),repeating-linear-gradient(90deg,transparent 0,transparent 39px,rgba(47,93,155,.05) 40px)}
.empty-stage{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px}
.empty-mark{width:82px;height:82px;border-radius:28px 28px 28px 6px;display:grid;place-items:center;background:var(--forest);color:white;font-family:var(--font-ui);font-size:27px;font-weight:700;margin-bottom:24px;box-shadow:14px 14px 0 var(--mint)}
.empty-stage h2{font-family:var(--font-ui);font-size:29px;font-weight:700;margin:5px 0 12px;letter-spacing:-.04em}
.empty-stage>p:last-child{max-width:440px;color:var(--muted);font-size:13px;line-height:1.7}
.multi-stage{height:100%;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr)}
.multi-stage-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 14px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);color:var(--muted);font-size:10px}
.multi-stage-bar strong{color:var(--forest);font-size:11px}
.multi-stage-bar button{border:1px solid #c9d7d0;border-radius:7px;background:white;color:var(--forest);padding:6px 9px;font-size:10px;font-weight:700}
.mobile-panel-tabs,.mobile-panel-back{display:none}
.chat-panel-strip{min-width:0;min-height:0;display:grid;grid-auto-flow:column;grid-auto-columns:clamp(268px,13vw,310px);align-items:stretch;gap:10px;overflow-x:auto;overflow-y:hidden;padding:10px;scroll-snap-type:x proximity;scrollbar-color:#9bb8ac transparent}
.chat-panel{height:100%;min-height:0;display:grid;grid-template-rows:auto auto auto minmax(0,1fr) auto;overflow:hidden;border:1px solid #d6deea;border-radius:13px;background:#fff;box-shadow:0 10px 28px rgba(18,32,91,.08);scroll-snap-align:start}
.chat-panel.focused{border-color:#7195c3;box-shadow:0 0 0 2px rgba(47,93,155,.12),0 12px 32px rgba(18,32,91,.11)}
.panel-head{grid-row:1;display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:13px 12px 10px;border-bottom:1px solid #e4e9f1;background:linear-gradient(135deg,#f2f6fb,#fff)}
.panel-head>div{min-width:0}
.panel-head .eyebrow{font-size:8px;letter-spacing:.12em;margin-bottom:3px}
.panel-head h2{margin:0 0 4px;font-family:var(--font-ui);font-size:16px;font-weight:700;letter-spacing:-.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.panel-head span{display:block;color:var(--muted);font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.panel-close{flex:0 0 auto;width:28px;height:28px;border:1px solid #d5ddd7;border-radius:50%;background:white;color:var(--forest);font-size:19px;line-height:1}
.panel-close:hover{border-color:#e7a28a;background:#fff0eb;color:#a54130}
.panel-toolbar{grid-row:2;display:flex;align-items:center;justify-content:space-between;gap:6px;padding:7px 9px;border-bottom:1px solid #e7eae4;background:#fff}
.live-pill{background:#edf3fa;border-color:#d2dfef;color:var(--forest-2);font-size:11px;font-weight:700}
.history-status{min-width:0;display:inline-flex;align-items:center;gap:5px;color:var(--forest-2);font-size:9px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.history-status i{flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:#63d69a;box-shadow:0 0 0 3px rgba(99,214,154,.15)}
.history-status.loading i{background:#f0b35e;box-shadow:0 0 0 4px rgba(240,179,94,.15);animation:history-pulse 1s ease-in-out infinite}
@keyframes history-pulse{50%{opacity:.35}}
.panel-install-button{flex:0 0 auto;border:1px solid #ccd8e8;border-radius:6px;background:#edf3fa;color:var(--forest);padding:5px 7px;font-size:9px;font-weight:700}
.inline-error{grid-row:3;margin:7px 9px 0;padding:7px 8px;border-radius:7px;background:#fff0ed;border:1px solid #f2b9ae;color:#9e3d2d;font-size:9px;line-height:1.45}
.inline-error.warning{background:#fff8df;border-color:#ebcf72;color:#765b00}
.message-list{grid-row:4;min-height:0;overflow:auto;padding:9px;scroll-behavior:smooth;background:linear-gradient(180deg,#f8fafd,#f2f5fa)}
.message-date{display:flex;align-items:center;gap:7px;margin:11px 0 8px;color:#7b877f;font-size:8px;font-weight:600;letter-spacing:0}
.message-date::before,.message-date::after{content:"";height:1px;flex:1;background:#e0e4dc}
.message-row{display:flex;margin:0 0 8px}
.message-row.support{justify-content:flex-end}
.message-bubble{max-width:94%;border-radius:4px 12px 12px 12px;background:white;border:1px solid #e0e4dc;padding:8px 9px;box-shadow:0 4px 12px rgba(29,49,41,.05)}
.message-row.support .message-bubble{background:var(--forest);color:white;border-color:var(--forest);border-radius:12px 4px 12px 12px}
.message-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px;font-size:8px;color:#718077}
.message-row.support .message-meta{color:#aed0c3}
.message-meta strong{font-size:9px;color:var(--forest);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.message-row.support .message-meta strong{color:white}
.message-body{font-size:10px;line-height:1.5;white-space:pre-wrap;word-break:break-word}
.message-body mark{border-radius:3px;background:#ffe08a;color:#17251f;padding:0 2px;font-weight:700}
.message-row.support .message-body mark{background:#ffdf75;color:#173027}
.message-image{display:grid;gap:8px;color:inherit;font-weight:600;text-decoration:none}
.message-image img{display:block;width:100%;max-height:230px;object-fit:contain;border-radius:8px;background:#edf2ed}
.message-image span{text-decoration:underline;text-underline-offset:3px}
.reply-form{grid-row:5;border-top:1px solid var(--line);background:#fff;padding:8px 9px 9px}
.reply-label,.reply-foot{display:flex;align-items:center;justify-content:space-between;gap:18px}
.reply-label{font-size:9px;margin-bottom:5px}
.reply-label span{color:var(--muted)}
.reply-form textarea{width:100%;min-height:53px;resize:none;border:1px solid #cfd7ce;border-radius:8px;outline:0;padding:8px 9px;color:var(--ink);background:#fff;font-size:10px;line-height:1.45}
.reply-form textarea:focus{border-color:#6d95c9;box-shadow:0 0 0 3px rgba(47,93,155,.12)}
.reply-foot{justify-content:flex-end;margin-top:6px}
.reply-foot button{border:0;border-radius:7px;background:var(--orange);color:white;padding:7px 10px;font-size:9px;font-weight:700;white-space:nowrap}
.reply-foot button:disabled{opacity:.55;cursor:wait}
.install-modal-backdrop{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:24px;background:rgba(10,28,23,.58);backdrop-filter:blur(6px)}
.install-modal{position:relative;width:min(560px,100%);border-radius:20px;background:#fffefa;padding:30px;box-shadow:0 28px 90px rgba(5,28,22,.32)}
.install-modal-close{position:absolute;right:18px;top:16px;width:36px;height:36px;border:0;border-radius:50%;background:#edf2ed;color:var(--forest);font-size:24px;line-height:1}
.install-modal h2{font-family:var(--font-ui);font-size:27px;font-weight:700;letter-spacing:-.04em;margin:5px 42px 8px 0}
.install-modal-lead{margin:0 0 22px;color:var(--muted);font-size:13px;line-height:1.6}
.install-link-field{display:block}
.install-link-field>span{display:block;margin-bottom:7px;font-size:11px;font-weight:700;color:var(--forest)}
.install-link-field input{width:100%;border:1px solid var(--line);border-radius:10px;background:#f2f4ef;color:#425149;padding:12px;font-size:12px;outline:0}
.install-primary-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:10px 0 20px}
.install-primary-actions button{border:0;border-radius:9px;padding:11px 15px;font-size:12px;font-weight:700}
.install-primary-actions button:first-child{background:var(--forest);color:white}
.install-primary-actions button:last-child{background:var(--orange);color:white}
.install-link-status{min-height:18px;margin:12px 0 0;color:var(--forest-2);font-size:11px;font-weight:600}
.install-link-status.error{color:#a54130}
.install-security-note{margin:5px 0 0;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.6}
@media(max-width:820px){
  html,body{width:100%;height:100%;min-height:0;overflow:hidden;overscroll-behavior:none}
  body{background:#eef2f8}
  .auth-screen{height:var(--app-height,100dvh);min-height:0;overflow:auto;padding:18px 14px calc(18px + env(safe-area-inset-bottom))}
  .auth-card{border-radius:20px}
  .auth-brand{padding:20px}
  .auth-brand img{width:106px}
  .auth-copy{padding:25px 22px 16px}
  .auth-copy h1{font-size:28px}
  .auth-checking{margin:0 22px 24px}
  .login-form{padding:0 22px 24px}
  .login-form input{font-size:16px}
  .auth-security{padding:15px 22px calc(17px + env(safe-area-inset-bottom))}
  .chat-shell{position:fixed;inset:0;width:100%;height:var(--app-height,100dvh);min-height:0;padding:0;overflow:hidden;background:#f4f6fa}
  .chat-topbar{flex:0 0 auto;min-height:calc(68px + env(safe-area-inset-top));border-radius:0;gap:12px;padding:calc(9px + env(safe-area-inset-top)) 14px 9px;box-shadow:0 3px 14px rgba(18,32,91,.18)}
  .brand-lockup,.topbar-meta{gap:10px;min-width:0}
  .back-link{width:36px;height:36px;font-size:19px}
  .brand-copy{gap:10px}
  .brand-logo{width:96px}
  .brand-product{padding-left:10px}
  .chat-topbar h1{font-family:inherit;font-size:18px;letter-spacing:-.04em}
  .chat-topbar .eyebrow{font-size:8px;margin-bottom:2px}
  .topbar-meta{justify-content:flex-end;overflow:hidden}
  .topbar-meta strong{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .agent-roster,.connection-state,.workboard-link{display:none}
  .logout-button{padding:7px 9px}
  .chat-workspace{position:relative;display:block;flex:1;min-height:0;border:0;border-radius:0;overflow:hidden;box-shadow:none;background:#f4f6fa}
  .conversation-rail,.message-stage{position:absolute;inset:0;width:100%;height:100%;min-height:0;border:0}
  .conversation-rail{display:flex;background:#f4f6fa}
  .message-stage{display:none;background:#e7edf6}
  body[data-mobile-view="conversation"] .conversation-rail{display:none}
  body[data-mobile-view="conversation"] .message-stage{display:block}
  .rail-head{padding:18px 18px 12px}
  .rail-head>div{min-width:0}
  .rail-head h2{font-family:inherit;font-size:24px;letter-spacing:-.05em}
  .icon-button{flex:0 0 auto;width:38px;height:38px;background:#fff;border:0;box-shadow:0 3px 12px rgba(18,32,91,.09)}
  .search-box{margin:0 14px;border-radius:18px;padding-left:14px;background:#e7ebf3}
  .search-box input{padding:12px 0;font-size:16px}
  .rail-summary{padding:12px 18px 10px;border-bottom:0}
  .conversation-list{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:4px 12px calc(14px + env(safe-area-inset-bottom))}
  .conversation-item{grid-template-columns:48px minmax(0,1fr) auto;gap:12px;margin-bottom:7px;padding:13px 12px;border:0;border-radius:15px;background:#fff;box-shadow:0 3px 13px rgba(18,32,91,.06)}
  .conversation-item:hover{background:#fff}
  .conversation-item.active,.conversation-item.focused{background:#fff;box-shadow:inset 4px 0 0 #488dbc,0 3px 13px rgba(18,32,91,.08)}
  .farm-avatar{width:48px;height:48px;border-radius:18px;font-family:inherit;font-size:16px}
  .conversation-title{font-size:15px;margin:1px 0 4px}
  .conversation-owner{font-size:11px;margin-bottom:4px}
  .conversation-preview{font-size:12px}
  .conversation-status{min-width:38px;gap:9px;padding-top:3px}
  .conversation-time{font-size:10px}
  .unread-badge{min-width:21px;height:21px;font-size:10px}
  .empty-stage{display:none}
  .multi-stage{width:100%;max-width:100vw;height:100%;min-width:0;min-height:0;overflow:hidden;grid-template-rows:auto minmax(0,1fr);background:#e7edf6}
  .multi-stage-bar{width:100%;max-width:100vw;min-width:0;overflow:hidden;padding:6px 8px;gap:8px;background:#fff;border-bottom:1px solid #dfe5ef}
  .desktop-panel-summary{display:none}
  .mobile-panel-tabs{display:flex;min-width:0;flex:1;gap:6px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none}
  .mobile-panel-tabs::-webkit-scrollbar{display:none}
  .multi-stage-bar .mobile-panel-tab{flex:0 0 auto;max-width:145px;padding:7px 11px;border:0;border-radius:999px;background:#edf1f7;color:#5d6780;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .multi-stage-bar .mobile-panel-tab.active{background:var(--forest);color:#fff}
  .multi-stage-bar #closeAllPanelsButton{flex:0 0 auto;padding:7px 8px;border-color:#dce2ec;color:#68728a;font-size:9px}
  .chat-panel-strip{display:block;width:100%;max-width:100vw;height:100%;min-width:0;min-height:0;padding:0;overflow:hidden;scroll-snap-type:none}
  .chat-panel{display:none;width:100%;max-width:100%;height:100%;min-width:0;min-height:0;overflow:hidden;border:0;border-radius:0;box-shadow:none;background:#fff;grid-template-rows:auto auto auto minmax(0,1fr) auto}
  .chat-panel.focused{display:grid;border:0;box-shadow:none}
  .panel-head{width:100%;min-width:0;overflow:hidden;align-items:center;gap:10px;min-height:64px;padding:9px 12px;background:#fff;border-bottom:1px solid #e2e6ee}
  .mobile-panel-back{display:grid;place-items:center;flex:0 0 auto;width:38px;height:38px;border:0;border-radius:50%;background:#edf2f8;color:var(--forest);font-size:29px;line-height:1}
  .panel-head>div{flex:1}
  .panel-head .eyebrow{font-size:8px}
  .panel-head h2{font-family:inherit;font-size:17px;letter-spacing:-.03em;margin-bottom:3px}
  .panel-head span{font-size:10px}
  .panel-close{width:34px;height:34px;border:0;background:#f1f3f8;color:#68728a}
  .panel-toolbar{width:100%;min-width:0;overflow:hidden;min-height:37px;padding:6px 12px;background:#fbfcfa}
  .history-status{font-size:10px}
  .panel-install-button{padding:6px 9px;border:0;border-radius:999px;background:#e9f1fa;font-size:10px}
  .inline-error{margin:7px 10px 0;font-size:10px}
  .message-list{width:100%;min-width:0;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:13px 12px 18px;background:#e7edf6}
  .message-date{margin:12px 0 11px;font-size:9px;color:#68748c}
  .message-date::before,.message-date::after{background:rgba(47,93,155,.18)}
  .message-row{width:100%;min-width:0;margin-bottom:9px}
  .message-bubble{min-width:0;max-width:82%;overflow:hidden;padding:9px 11px;border:0;border-radius:5px 15px 15px 15px;box-shadow:0 2px 5px rgba(18,32,91,.09)}
  .message-row.support .message-bubble{background:#2f5d9b;color:#fff;border:0;border-radius:15px 5px 15px 15px}
  .message-meta{min-width:0;font-size:9px;color:#69758b}
  .message-meta strong{min-width:0;flex:1;font-size:10px}
  .message-meta time{flex:0 0 auto}
  .message-row.support .message-meta,.message-row.support .message-meta strong{color:#dce9f8}
  .message-body{font-size:13px;line-height:1.5}
  .reply-form{width:100%;max-width:100%;min-width:0;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:8px;padding:9px 10px calc(9px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #dce2ec}
  .reply-label{display:none}
  .reply-form textarea{grid-column:1;width:100%;min-width:0;min-height:44px;max-height:88px;padding:10px 14px;border:1px solid #d8dfeb;border-radius:21px;background:#f6f8fb;font-size:16px;line-height:1.4}
  .reply-foot{grid-column:2;min-width:0;margin:0}
  .reply-foot button{min-width:68px;height:44px;border-radius:21px;background:var(--forest-2);padding:0 13px;font-size:11px}
  .install-modal-backdrop{padding:12px}
  .install-modal{max-height:calc(var(--app-height,100dvh) - 24px);overflow:auto;padding:25px 20px calc(25px + env(safe-area-inset-bottom))}
}
@media(max-width:520px){
  .chat-topbar{min-height:calc(64px + env(safe-area-inset-top));padding:calc(8px + env(safe-area-inset-top)) 12px 8px}
  .topbar-meta strong,.demo-badge{display:none}
  .auth-brand span{font-size:9px}
  .brand-lockup{gap:9px}
  .back-link{width:34px;height:34px}
  .brand-copy{gap:8px}
  .brand-logo{width:84px}
  .brand-product{padding-left:8px}
  .chat-topbar h1{font-size:17px}
  .rail-head{padding-top:16px}
  .install-primary-actions{grid-template-columns:1fr}
}