/* 랜딩(server/hosting/b2b/index.html)과 같은 결의 토큰. 대비는 WCAG AA(4.5:1)로 맞춘 진한 주황(--acx)을 글자 바탕에 쓴다. */
:root{--bg:#FBF7F1;--bg2:#F3EADF;--card:#FFFDFA;--ink:#221C18;--mu:#6B5F57;--ln:#E9DCCB;--ac:#E0702F;--acx:#A94E1A;--ac2:#3C9C92;--onac:#FFFDFA;--err:#B3401E;color-scheme:light}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans KR",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif;font-size:15px;line-height:1.6;word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
a{color:var(--acx)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.app{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:760px;margin:0 auto;background:var(--bg)}
.dot{flex:none;width:34px;height:34px;border-radius:50%;background:var(--ac);display:inline-block}
/* 상단 바 */
.top{display:flex;align-items:center;gap:12px;padding:12px 16px;padding-top:max(12px,env(safe-area-inset-top));border-bottom:1px solid var(--ln);background:var(--card)}
.who{min-width:0;flex:1;display:flex;flex-direction:column}
.who b{font-family:"Gowun Batang",serif;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who .sub{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--mu)}
.badge{display:inline-block;font-size:13px;font-weight:700;color:var(--acx);background:var(--bg2);border-radius:999px;padding:1px 9px}
/* 버튼 — 누르는 느낌(축소) */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;font:inherit;font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;background:var(--acx);color:var(--onac);transition:transform .12s,opacity .12s,background .12s;-webkit-tap-highlight-color:transparent}
.btn:hover{background:#94430F}
.btn.s{background:transparent;color:var(--ink);border-color:var(--ln)}.btn.s:hover{background:var(--bg2)}
.btn.sm{min-height:40px;padding:0 14px;font-size:14px}
.btn:active,.send:active,.link:active{transform:scale(.94);opacity:.85}
.btn[disabled]{opacity:.55;cursor:default;transform:none}
.top-cta{flex:none}
@media (max-width:420px){.top-cta{padding:0 11px;font-size:13px}}
/* 고지줄 */
.notice{padding:10px 16px;background:var(--bg2);border-bottom:1px solid var(--ln);font-size:13px;color:var(--mu)}
.notice-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.notice-short{font-weight:700;color:var(--ink)}
.notice-body{margin:6px 0 0;line-height:1.55}
.notice.collapsed .notice-body{display:none}
.link{font:inherit;font-size:13px;font-weight:600;color:var(--acx);background:transparent;border:0;cursor:pointer;min-height:32px;padding:0 4px}
/* 대화 */
.log{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:10px;-webkit-overflow-scrolling:touch}
.bb{max-width:82%;padding:11px 15px;border-radius:20px;font-size:15px;line-height:1.55;white-space:pre-wrap}
.bb.u{align-self:flex-end;background:var(--acx);color:var(--onac);border-bottom-right-radius:6px}
.bb.a{align-self:flex-start;background:var(--card);border:1px solid var(--ln);border-bottom-left-radius:6px}
.bb.intro{background:var(--bg2);border-color:transparent}
.bw{align-self:flex-start;max-width:82%;display:flex;flex-direction:column;gap:6px}
.bw .bb{max-width:100%}
.cites{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:13px;font-weight:600;color:var(--mu);border:1px dashed var(--ln);border-radius:999px;padding:2px 10px;background:var(--card)}
.hcard{background:var(--bg2);border-radius:16px;padding:12px 14px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.hcard p{margin:0;font-size:14px}
.sys{align-self:center;max-width:92%;text-align:center;font-size:13.5px;color:var(--mu);background:var(--card);border:1px solid var(--ln);border-radius:14px;padding:10px 14px;display:flex;flex-direction:column;align-items:center;gap:8px}
.sys.err{color:var(--err)}
.sys.okn{color:var(--ink);background:var(--bg2);border-color:transparent}
.divider{display:flex;align-items:center;gap:10px;color:var(--mu);font-size:13px;margin:6px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--ln)}
.typing{display:flex;gap:5px;align-items:center;padding:15px 16px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--mu);opacity:.35;animation:blink 1.2s infinite ease-in-out}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:.9;transform:translateY(-3px)}}
@media (prefers-reduced-motion:reduce){.typing i{animation:none;opacity:.6}.btn,.send{transition:none}}
/* 입력줄 */
.relock{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 16px;border-top:1px solid var(--ln);background:var(--bg2);text-align:center}
.relock p{margin:0;font-size:14px}
.composer{border-top:1px solid var(--ln);background:var(--card);padding:10px 12px;padding-bottom:max(10px,env(safe-area-inset-bottom))}
.composer.locked{opacity:.6}
.hint{margin:0 4px 8px;font-size:13px;color:var(--err)}
.in-row{display:flex;align-items:flex-end;gap:8px}
textarea#msg{flex:1;min-width:0;resize:none;min-height:46px;max-height:132px;border:1px solid var(--ln);border-radius:22px;padding:11px 16px;font:inherit;font-size:16px;line-height:1.45;background:var(--bg);color:var(--ink)}
textarea#msg:focus,.sheet input:focus,.sheet textarea:focus{outline:2px solid var(--ac);outline-offset:1px}
.send{flex:none;width:46px;height:46px;border-radius:50%;border:0;background:var(--acx);color:var(--onac);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .12s,opacity .12s}
.send[disabled]{opacity:.4;cursor:default;transform:none}
.meta{display:flex;justify-content:space-between;gap:10px;padding:4px 6px 0;font-size:13px;color:var(--mu)}
.meta .count{margin-left:auto}.meta .count.warn{color:var(--err)}
/* 이관 폼 */
.dlg{position:fixed;inset:0;background:rgba(34,28,24,.45);display:flex;align-items:flex-end;justify-content:center;z-index:10;padding:16px}
.sheet{width:100%;max-width:460px;background:var(--card);border-radius:22px;padding:22px 20px;display:flex;flex-direction:column;gap:6px;max-height:calc(100dvh - 32px);overflow-y:auto}
@media (min-width:600px){.dlg{align-items:center}}
.sheet h2{margin:0 0 8px;font-family:"Gowun Batang",serif;font-size:20px}
.sheet label{font-size:13.5px;font-weight:600;color:var(--mu);margin-top:6px}
.sheet input,.sheet textarea{width:100%;min-height:46px;border:1px solid var(--ln);border-radius:14px;padding:10px 14px;font:inherit;font-size:16px;background:var(--bg);color:var(--ink)}
.sheet textarea{resize:vertical}
.fine{margin:8px 0 0;font-size:13px;color:var(--mu)}
.kind{border:0;margin:2px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center}
.kind legend{font-size:13.5px;font-weight:600;color:var(--mu);padding:0;margin-bottom:4px;width:100%}
.kind label{display:flex;align-items:center;gap:6px;margin:0;font-weight:500;color:var(--ink);font-size:15px;min-height:44px}
.kind input{width:18px;height:18px;min-height:0;accent-color:var(--ac)}
.booking{display:flex;flex-direction:column;gap:6px}
.booking[hidden]{display:none}
.pb{white-space:nowrap}
.ferr{margin:4px 0 0;font-size:13.5px;color:var(--err)}
.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:12px}
/* 안내 화면 */
.blocked{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px 16px;text-align:center}
.blocked p{max-width:36ch;font-size:16px;color:var(--ink);margin:0}
/* 환경 띠 — QA 이거나 meta·호스트가 어긋날 때만 보인다 */
.envband{position:sticky;top:0;z-index:20;background:#5B2A86;color:#FFFFFF;text-align:center;font-size:13px;font-weight:700;padding:4px 12px}
/* 전송 실패한 방문자 말풍선 — 저장하지 않고 화면 표지로만 */
.bb.u.failed{opacity:.75}
.failmark{align-self:flex-end;margin-top:-6px;font-size:13px;font-weight:600;color:var(--err)}