:root{
  --bg:#EEF0F6; --surface:#FFFFFF; --ink:#1B1F3B; --muted:#5B6078; --line:#D5D9E6;
  --accent:#1B1F3B; --accent-ink:#1B1F3B; --accent-soft:#E3E6F0;
  --brass:#C9A227; --brass-soft:#F3EACB; --danger:#9A3B2E; --danger-soft:#F6E4E0; --code:#E6E9F2;
  --sidebar:#1B1F3B; --sidebar-ink:#F3EACB; --sidebar-muted:#A9AECB; --sidebar-line:#2A2F55;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#12152B; --surface:#1B1F3B; --ink:#F3EACB; --muted:#A9AECB; --line:#2A2F55;
    --accent:#C9A227; --accent-ink:#E2C15A; --accent-soft:#2A2F55;
    --brass:#C9A227; --brass-soft:#3A3320; --danger:#E08A7A; --danger-soft:#3A2521; --code:#22264A;
    --sidebar:#0E1124; --sidebar-ink:#F3EACB; --sidebar-muted:#A9AECB; --sidebar-line:#2A2F55;
  }
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Cambria,"Source Serif 4",Georgia,serif;font-size:16px;line-height:1.5}
button,input,select,textarea{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px;color:inherit}
button{cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:4px;padding:6px 12px}
button:hover{border-color:var(--accent)}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700}
button.primary:hover{background:var(--accent-ink)}
button.ghost{border-color:transparent;background:transparent;color:var(--muted)}
button.ghost:hover{color:var(--ink);border-color:var(--line)}
button:disabled{opacity:.5;cursor:default}
a{color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
.sans{font-family:Calibri,"Source Sans 3",Arial,sans-serif}
.eyebrow{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* auth */
.auth{min-height:100%;display:grid;place-items:center;padding:24px}
.auth .card{width:min(420px,100%);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:28px}
.auth h1{margin:0 0 4px;font-size:30px}
.auth p{color:var(--muted);margin:0 0 20px;font-size:15px}
.auth form{display:grid;gap:10px}
.auth input{padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:var(--bg)}
.auth .err{color:var(--danger);font-size:14px;font-family:Calibri,"Source Sans 3",Arial,sans-serif}
.auth .switch{margin-top:14px;font-size:14px;color:var(--muted);font-family:Calibri,"Source Sans 3",Arial,sans-serif}
.auth .switch a{cursor:pointer;text-decoration:underline}

/* layout */
.shell{height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr) 340px}
@media (max-width:1100px){.shell{grid-template-columns:240px minmax(0,1fr)}.shell .sources:not(.open){display:none}
  .sources.open{display:flex;position:fixed;right:0;top:0;bottom:0;width:min(380px,92vw);z-index:20;box-shadow:-8px 0 24px rgba(0,0,0,.18)}}
.srcbtn{display:none}
@media (max-width:1100px){.srcbtn{display:inline-block}}
.sources .head{display:flex;align-items:flex-end;gap:8px;flex-wrap:wrap}
.sources .head h3{flex:1}
.sources .head .close{display:none;padding:0 8px;font-size:18px}
@media (max-width:1100px){.sources .head .close{display:inline-block}}
.sources .head .eyebrow{width:100%}
@media (max-width:760px){.shell{grid-template-columns:1fr}.sidebar{display:none}}
.sidebar{background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.brand{padding:18px 16px 12px;display:flex;align-items:baseline;gap:8px}
.brand b{font-size:20px}
.brand span{font-size:12px;color:var(--muted);font-family:Calibri,"Source Sans 3",Arial,sans-serif}
.sidebar .newchat{margin:0 12px 10px}
.chatlist{flex:1;overflow:auto;padding:0 8px}
.chatlist .item{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:4px;cursor:pointer;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px;color:var(--ink)}
.chatlist .item:hover{background:var(--surface)}
.chatlist .item.active{background:var(--surface);border-left:3px solid var(--accent);padding-left:7px}
.chatlist .item .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chatlist .item .del{opacity:0;border:0;background:transparent;padding:2px 4px;color:var(--muted)}
.chatlist .item:hover .del{opacity:1}
.userbox{border-top:1px solid var(--line);padding:12px 16px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;color:var(--muted)}
.userbox b{color:var(--ink);display:block;font-size:14px}
.userbox .quota{margin:8px 0 6px;height:6px;background:var(--code);border-radius:3px;overflow:hidden}
.userbox .quota i{display:block;height:100%;background:var(--accent)}
.userbox .row{display:flex;justify-content:space-between;align-items:center;gap:8px}

/* chat */
.chat{display:flex;flex-direction:column;min-height:0;min-width:0}
.topbar{display:flex;align-items:center;gap:10px;padding:12px 24px;border-bottom:1px solid var(--line);background:var(--bg);font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px}
.topbar h2{margin:0;font-size:17px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:Cambria,"Source Serif 4",Georgia,serif}
.badge{display:inline-block;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:2px;border:1px solid var(--line);color:var(--muted);white-space:nowrap}
.badge.warn{color:var(--brass);border-color:var(--brass);background:var(--brass-soft)}
.badge.ok{color:var(--accent-ink);border-color:var(--accent);background:var(--accent-soft)}
.messages{flex:1;overflow:auto;padding:24px}
.messages .inner{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
.msg{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px}
.msg .who{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:12px;font-weight:700;margin-top:2px}
.msg.user .who{background:var(--code);color:var(--muted)}
.msg.assistant .who{background:var(--accent);color:#fff}
.msg .body{min-width:0}
.msg.user .body{white-space:pre-wrap}
.msg .body p{margin:0 0 10px}
.msg .body ol,.msg .body ul{margin:0 0 10px;padding-left:22px}
.msg .body li{margin-bottom:4px}
.msg .body h1,.msg .body h2,.msg .body h3{font-size:17px;margin:14px 0 6px}
.msg .body code{font-family:Consolas,"PT Mono",monospace;font-size:.9em;background:var(--code);padding:1px 4px;border-radius:3px}
.msg .body table{border-collapse:collapse;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px;margin:8px 0}
.msg .body td,.msg .body th{border:1px solid var(--line);padding:4px 8px}
.cite{display:inline-block;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:11px;font-weight:700;color:var(--accent-ink);background:var(--accent-soft);border:1px solid var(--accent);border-radius:3px;padding:0 5px;margin:0 1px;cursor:pointer;vertical-align:2px;line-height:16px}
.cite:hover{background:var(--accent);color:#fff}
.msg .meta{margin-top:6px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:12px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.status{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.status i{width:8px;height:8px;border-radius:50%;background:var(--brass);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.3}}
@media (prefers-reduced-motion:reduce){.status i{animation:none}}
.empty{max-width:640px;margin:60px auto;text-align:left}
.empty h3{font-size:26px;margin:0 0 8px}
.empty p{color:var(--muted);margin:0 0 18px}
.empty .examples{display:grid;gap:8px}
.empty .examples button{text-align:left;padding:10px 12px;font-family:Cambria,"Source Serif 4",Georgia,serif;font-size:15px;background:var(--surface)}
.error{border-left:3px solid var(--danger);background:var(--danger-soft);padding:8px 12px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px}

/* composer */
.composer{border-top:1px solid var(--line);background:var(--bg);padding:12px 24px 16px}
.composer .inner{max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:10px 12px}
.composer .inner:focus-within{border-color:var(--accent)}
.composer textarea{width:100%;border:0;background:transparent;resize:none;font-family:Cambria,"Source Serif 4",Georgia,serif;font-size:16px;line-height:1.45;min-height:56px;max-height:220px;outline:none}
.composer .tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:6px}
.toggle{display:inline-flex;align-items:center;gap:6px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;padding:4px 9px;border:1px solid var(--line);border-radius:14px;cursor:pointer;user-select:none;color:var(--muted)}
.toggle.on{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft)}
.toggle input{display:none}
.composer select{border:1px solid var(--line);border-radius:14px;padding:4px 8px;background:var(--surface)}
.composer .spacer{flex:1}
.docs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.doc{display:inline-flex;align-items:center;gap:6px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:12.5px;border:1px solid var(--line);border-radius:3px;padding:2px 8px;background:var(--bg)}
.doc button{border:0;background:transparent;padding:0;color:var(--muted)}
.hint{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:12px;color:var(--muted);max-width:760px;margin:8px auto 0}

/* sources */
.sources{border-left:1px solid var(--line);background:var(--bg);display:flex;flex-direction:column;min-height:0}
.sources .head{padding:14px 16px 10px;border-bottom:1px solid var(--line)}
.sources .head h3{margin:2px 0 0;font-size:16px}
.sources .list{overflow:auto;padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.src{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:10px 12px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px}
.src.hl{border-color:var(--brass);box-shadow:0 0 0 2px var(--brass-soft)}
.src .n{display:inline-block;min-width:20px;text-align:center;font-weight:700;color:var(--accent-ink);background:var(--accent-soft);border-radius:3px;padding:0 4px;margin-right:6px}
.src .t{font-weight:700;color:var(--ink)}
.src .s{margin-top:6px;color:var(--muted);line-height:1.4;font-family:Cambria,"Source Serif 4",Georgia,serif;font-size:13px}
.src .k{margin-top:6px;display:flex;gap:6px;align-items:center}
.src a{font-size:12px}
.queries{padding:8px 16px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}
.queries span{display:inline-block;background:var(--code);border-radius:3px;padding:1px 6px;margin:2px 4px 2px 0}

/* agent */
.agent{display:flex;flex-direction:column;min-height:0;min-width:0}
.agent .scroll{flex:1;overflow:auto;padding:24px}
.agent .inner{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.agent h3{margin:0 0 6px;font-size:24px}
.agent .lead{color:var(--muted);margin:0 0 6px}
.form{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:18px;display:grid;gap:12px}
.form label{display:grid;gap:4px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;color:var(--muted)}
.form input[type=text],.form select,.form textarea{padding:8px 10px;border:1px solid var(--line);border-radius:4px;background:var(--bg);font-size:14px}
.form textarea{font-family:Cambria,"Source Serif 4",Georgia,serif;min-height:56px;resize:vertical}
.form .row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.dropzone{border:1px dashed var(--line);border-radius:6px;padding:16px;text-align:center;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px;color:var(--muted);cursor:pointer}
.dropzone.has{border-style:solid;border-color:var(--accent);color:var(--ink);background:var(--accent-soft)}
.timeline{display:grid;gap:6px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13.5px}
.timeline .step{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
.timeline .step i{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:6px;flex:none}
.timeline .step.live i{background:var(--brass);animation:pulse 1s infinite}
.timeline .step.live{color:var(--ink)}
.plan{display:grid;gap:8px}
.plan .item{display:grid;grid-template-columns:22px 1fr;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:10px 12px;align-items:start}
.plan .item input[type=checkbox]{margin-top:4px}
.plan .item input[type=text]{width:100%;border:0;border-bottom:1px solid transparent;background:transparent;font-family:Cambria,"Source Serif 4",Georgia,serif;font-size:15px;font-weight:700;padding:0}
.plan .item input[type=text]:focus{border-bottom-color:var(--accent);outline:none}
.plan .item .why{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;color:var(--muted);margin-top:2px}
.plan .item.off{opacity:.5}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px 18px}
.card .eyebrow{margin-bottom:6px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px}
.kv b{color:var(--muted);font-weight:400}
.risk{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--line);border-radius:4px;padding:14px 16px;display:grid;gap:8px}
.risk.high{border-left-color:var(--danger)}
.risk.medium{border-left-color:var(--brass)}
.risk.low{border-left-color:var(--accent)}
.risk .head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.risk .head b{font-size:16px;flex:1}
.risk blockquote{margin:0;padding:8px 12px;border-left:2px solid var(--line);background:var(--bg);font-size:14px;color:var(--muted)}
.risk .lbl{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.risk p{margin:0}
.diff{display:grid;gap:6px;font-size:14px}
.diff del{background:var(--danger-soft);color:var(--danger);text-decoration:line-through;padding:4px 8px;border-radius:3px;display:block}
.diff ins{background:var(--accent-soft);color:var(--accent-ink);text-decoration:none;padding:4px 8px;border-radius:3px;display:block}
.diff .c{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;color:var(--muted)}
.risk label.inc{display:inline-flex;gap:6px;align-items:center;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;cursor:pointer}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;position:sticky;bottom:0;background:var(--bg);padding:12px 0;border-top:1px solid var(--line)}
.actions .note{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;color:var(--muted);flex:1}
.runs{display:grid;gap:6px}
.runs .r{display:flex;gap:8px;align-items:center;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13.5px;padding:8px 10px;background:var(--surface);border:1px solid var(--line);border-radius:4px;cursor:pointer}
.runs .r:hover{border-color:var(--accent)}
.runs .r .f{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sidebar .section{padding:10px 12px 4px}
.sidebar .agentbtn{margin:0 12px 6px;text-align:left;display:flex;gap:8px;align-items:center;width:calc(100% - 24px)}
.sidebar .agentbtn.active{border-color:var(--accent);background:var(--surface)}

.fields{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}
.fields.three{grid-template-columns:1fr 1fr 1fr}
.fields label{display:grid;gap:3px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:12.5px;color:var(--muted)}
.fields input{padding:6px 8px;border:1px solid var(--line);border-radius:4px;background:var(--bg);font-size:14px;color:var(--ink)}
.fields input:focus{border-color:var(--accent);outline:none}
.callout-note{border-left:3px solid var(--brass);background:var(--brass-soft);padding:8px 12px}
.docpreview{font-size:15px;line-height:1.5}
.docpreview h1{font-size:18px;text-align:center;margin:8px 0 12px}
.docpreview h2{font-size:15px;margin:14px 0 6px}
.docpreview table{border-collapse:collapse;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13.5px}
.docpreview td,.docpreview th{border:1px solid var(--line);padding:4px 8px}
@media (max-width:900px){.fields.three{grid-template-columns:1fr 1fr}}

/* тарифы */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:8px}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:8px}
.plan.current{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.plan .name{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.plan .price{font-size:26px;font-weight:700;line-height:1.1}
.plan .price span{font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13px;font-weight:400;color:var(--muted)}
.plan ul{margin:0;padding-left:18px;font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:13.5px;flex:1}
.plan li{margin-bottom:3px}
.verdict{border-left:3px solid var(--accent);background:var(--accent-soft);font-family:Calibri,"Source Sans 3",Arial,sans-serif;font-size:14px}

/* ---- фирменный стиль Лесто: тёмная боковая панель в цвете чернил, золото как акцент ---- */
.sidebar{background:var(--sidebar);color:var(--sidebar-ink);border-right-color:var(--sidebar-line)}
.brand{align-items:center;justify-content:center;gap:10px;padding:20px 16px 14px}
.brand svg{height:34px;width:auto;display:block}
.logo{display:block}
.logo img{height:100%;width:auto;display:block;animation:logofade .5s ease}
@keyframes logofade{from{opacity:0}to{opacity:1}}
.brand span{color:var(--sidebar-muted)}
.sidebar .section{color:var(--sidebar-muted)}
.sidebar .agentbtn{background:transparent;border-color:var(--sidebar-line);color:var(--sidebar-ink)}
.sidebar .agentbtn:hover{border-color:var(--brass)}
.sidebar .agentbtn.active{border-color:var(--brass);background:var(--sidebar-line)}
.sidebar .newchat{background:var(--brass);border-color:var(--brass);color:#1B1F3B}
.sidebar .newchat:hover{background:#B8921F}
.chatlist .item{color:var(--sidebar-ink)}
.chatlist .item:hover{background:var(--sidebar-line)}
.chatlist .item.active{background:var(--sidebar-line);border-left-color:var(--brass)}
.chatlist .item .del{color:var(--sidebar-muted)}
.userbox{border-top-color:var(--sidebar-line);color:var(--sidebar-muted)}
.userbox b{color:var(--sidebar-ink)}
.userbox a{color:var(--sidebar-ink)}
.userbox .ghost{color:var(--sidebar-muted)}
.userbox .quota{background:var(--sidebar-line)}
.userbox .quota i{background:var(--brass)}
button.primary{color:var(--brass-soft)}
button.primary:hover{background:#2A2F55}
@media (prefers-color-scheme:dark){button.primary{color:#1B1F3B}button.primary:hover{background:#E2C15A}}
.auth .card{background:var(--sidebar);color:var(--sidebar-ink);border-color:var(--sidebar-line)}
.auth .authlogo svg{height:44px;width:auto;margin-bottom:12px}
.auth .authlogo{display:flex;justify-content:center;margin-bottom:12px}
.auth h1{color:var(--sidebar-ink)}
.auth .eyebrow{color:var(--brass)}
.auth p{color:var(--sidebar-muted)}
.auth input{background:#FFFFFF;color:#1B1F3B;border-color:var(--sidebar-line)}
.auth .switch{color:var(--sidebar-muted)}
.auth .switch a{color:var(--brass)}
.auth button.primary{background:var(--brass);border-color:var(--brass);color:#1B1F3B}
.auth button.primary:hover{background:#B8921F}
.msg.assistant .who{background:var(--brass);color:#1B1F3B;font-family:Cambria,"Source Serif 4",Georgia,serif;font-weight:700}

/* ---- админка, поддержка, кабинет, мобильная панель ---- */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:14px 16px}
.tile .big{font-size:26px;font-weight:700;line-height:1.15;margin:4px 0 2px;font-variant-numeric:tabular-nums}
.tabs button{border-radius:14px}
.chatlog{display:flex;flex-direction:column;gap:8px;overflow:auto;max-height:420px;padding:4px 0 10px}
.bubble{max-width:85%;padding:8px 12px;border-radius:10px;font-size:14px;line-height:1.4;font-family:Calibri,"Source Sans 3",Arial,sans-serif}
.bubble.user{align-self:flex-end;background:var(--brass-soft);border:1px solid var(--brass)}
.bubble.admin{align-self:flex-start;background:var(--accent-soft);border:1px solid var(--line)}
.bubble .small{display:block;margin-top:4px;opacity:.7}
.support{position:fixed;right:18px;bottom:18px;z-index:30;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.support-btn{width:52px;height:52px;border-radius:50%;background:var(--sidebar);color:#fff;border:2px solid var(--brass);font-size:22px;box-shadow:0 6px 20px rgba(0,0,0,.25);position:relative;padding:0}
.support-btn .badge{position:absolute;top:-6px;right:-6px}
.support-panel{width:min(360px,92vw);background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 40px rgba(0,0,0,.25);padding:12px;display:flex;flex-direction:column;gap:8px}
.support-panel .head{display:flex;align-items:center;gap:8px}
.support-panel .head b{flex:1}
.support-panel textarea{font-family:Calibri,"Source Sans 3",Arial,sans-serif}
.navbtn{display:none;position:fixed;left:12px;top:10px;z-index:25;width:40px;height:40px;border-radius:8px;background:var(--sidebar);color:var(--sidebar-ink);border:1px solid var(--brass);font-size:20px;padding:0}
@media (max-width:760px){
  .navbtn{display:block}
  .sidebar{display:flex;position:fixed;left:0;top:0;bottom:0;width:min(300px,86vw);z-index:24;transform:translateX(-105%);transition:transform .2s;box-shadow:8px 0 30px rgba(0,0,0,.3)}
  .sidebar.open{transform:none}
  .topbar{padding-left:60px}
  .messages,.agent .scroll{padding:14px}
  .composer{padding:8px 10px 12px}
  .fields,.fields.three,.grid2,.tiles{grid-template-columns:1fr}
  .support{right:10px;bottom:76px}
}
@media (prefers-reduced-motion:reduce){.sidebar{transition:none}}