.chat-layout{display:grid;gap:16px;padding-top:16px;align-items:start}
.chat-head .sub{font-size:13px}
.chat{display:flex;flex-direction:column;padding:0;overflow:hidden;height:max(560px,calc(100vh - 160px))}
.chat-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;min-height:0;position:relative;scroll-behavior:smooth;overscroll-behavior:contain}
.msg{max-width:88%;padding:10px 14px;border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.bot{background:#eef1f6;border-bottom-left-radius:4px;align-self:flex-start}
.msg.me{background:var(--primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.msg small{display:block;margin-top:6px;color:var(--muted);font-size:12px}
.slots{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;align-self:stretch}
.slots .chip{justify-content:center;text-align:center}
.confirm{align-self:stretch;border:2px solid var(--ok);background:#f0faf4}
.confirm b.code{font-size:22px;letter-spacing:.06em;color:var(--primary)}
.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 16px 8px;scrollbar-width:none}
.chips .chip{flex:none}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:0 16px 8px}
.composer{display:flex;gap:8px;padding:10px 16px 16px;border-top:1px solid var(--line)}
.composer input{flex:1;min-width:0}
.lead{padding:0}
.lead-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;min-height:52px;padding:0 16px;background:none;border:0;font-weight:700;cursor:pointer;color:var(--primary)}
.lead-body{display:none;padding:0 16px 16px}
.lead.open .lead-body{display:block}
.lead-title{display:none}
.meter{position:relative;height:28px;background:#ebe8df;border-radius:99px;overflow:hidden;margin-bottom:12px}
#meterFill{height:100%;width:0;background:linear-gradient(90deg,var(--warn),var(--ok));transition:width .5s}
#meterNum{position:absolute;inset:0;display:grid;place-items:center;font-weight:800;font-size:14px}
.fields{margin:0;display:grid;gap:8px}
.fields div{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.fields dt{color:var(--muted);font-size:14px}.fields dd{margin:0;font-weight:600;text-align:right;overflow-wrap:anywhere}
.fields dd.empty{color:#b3b8bf;font-weight:400}
.breakdown{list-style:none;padding:0;margin:10px 0 0;font-size:14px}
.breakdown li{display:flex;justify-content:space-between;padding:3px 0}
.breakdown b{color:var(--ok)}
@media(min-width:900px){
  .chat-layout{grid-template-columns:1fr 340px}
  .lead-toggle{display:none}.lead-body{display:block}.lead-title{display:block}.lead{position:sticky;top:96px;padding-top:16px}
}
@media(max-width:899px){.lead{margin:0}.chat-layout .lead{order:-1}}

.lead{position:relative}
.lead-toggle:focus-visible{outline-offset:-3px}
.breakdown:empty::before{content:"Nothing scored yet — share your project, zip and timing.";color:var(--muted);font-size:13px}
.actions{scrollbar-width:none}
@media(max-width:760px){
  html,body.chatpage{height:100vh;height:100dvh;overflow:hidden}
  body.chatpage{display:flex;flex-direction:column}
  .chatpage .hdr-row{min-height:44px}
  .chatpage .logo svg{width:28px;height:28px}
  .chatpage .nav{padding-bottom:6px}
  .chatpage .nav a{min-height:36px;padding:0 12px;font-size:13px}
  .chatpage .banner{padding:4px 12px;font-size:13px}
  .chatpage .ftr{display:none}
  .chat-layout{flex:1;min-height:0;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0;width:100%;max-width:none}
  .chat-layout .lead{order:-1;border-radius:0;border-width:0 0 1px;box-shadow:none;z-index:6;flex:none}
  .lead-toggle{min-height:40px;font-size:14px}
  .lead-body{position:absolute;top:100%;left:0;right:0;max-height:55vh;overflow:auto;background:#fff;box-shadow:0 12px 24px rgba(20,30,50,.18);border-bottom:1px solid var(--line)}
  .chat{flex:1;min-height:0;height:auto;border-radius:0;border:0;box-shadow:none}
  .chat-head{padding:6px 12px;flex:none}.chat-head .sub{display:none}
  .chat-head .btn{min-height:36px}
  .log{padding:12px}
  .chips{flex:none;padding:6px 12px}
  .actions{flex:none;flex-wrap:nowrap;overflow-x:auto;padding:0 12px 6px}
  .actions .btn,.actions .tag{flex:none;white-space:nowrap}
  .composer{flex:none;padding:8px 12px calc(10px + env(safe-area-inset-bottom))}
  .toast{bottom:calc(90px + env(safe-area-inset-bottom))}
}
.chat,.lead,.chat>*{min-width:0}
@media(max-width:760px){.chat-layout,.chat{width:100%;max-width:100vw}.chips,.actions{max-width:100%}}