.chat-toggle{position:fixed;bottom:24px;left:24px;z-index:8;display:flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 20px;background:var(--orange);color:var(--black);border:1px solid var(--black);border-radius:28px;font-weight:700;box-shadow:0 2px 8px #0004}
.chat-toggle:hover{background:#dcff52}.chat-toggle svg{flex:none}
.smash-chat{position:fixed;inset:0 auto 0 0;width:360px;height:100dvh;z-index:9;display:flex;flex-direction:column;background:var(--bg);border-right:1px solid var(--line);text-align:left}
.chat-heading{display:flex;align-items:center;gap:12px;flex:none;padding:22px 20px;border-bottom:1px solid var(--line)}
.chat-heading h2{font-size:19px;letter-spacing:-.3px;line-height:1.3}.chat-heading p{font-size:12px;color:var(--muted);margin-top:2px}.chat-icon-button{display:grid;place-items:center;width:40px;height:40px;margin-left:auto;background:transparent;border-radius:3px}.chat-icon-button:hover{background:var(--surface)}
.chat-room{display:flex;justify-content:space-between;gap:12px;padding:13px 20px;border-bottom:1px solid var(--line);font-size:13px;flex:none}.chat-room>span:first-child{color:var(--orange)}#chat-connection{color:var(--muted);font-size:12px}
.chat-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding:20px}.chat-scroll:focus-visible{outline:1px solid var(--orange);outline-offset:-3px}
.chat-empty{display:flex;min-height:100%;flex-direction:column;align-items:flex-start;justify-content:center;padding:12px 4px 44px;gap:12px}.chat-empty h3{font-size:23px;letter-spacing:-.4px;margin:4px 0 0}.chat-empty p{font-size:14px;color:var(--muted);max-width:250px}
.chat-messages{list-style:none;margin:0;padding:0}.chat-message{padding:0 0 20px;overflow-wrap:anywhere}.chat-message-meta{display:flex;align-items:baseline;gap:10px;margin-bottom:4px}.chat-message-meta strong{font-size:13px;font-weight:600}.chat-message-meta time{font:10px var(--mono);color:var(--muted);white-space:nowrap}.chat-message p{font-size:14px;white-space:pre-wrap;line-height:1.6}
.chat-new{margin:0 20px 10px;min-height:36px;flex:none;background:var(--surface);color:var(--orange);border:1px solid var(--line);border-radius:3px;font-size:12px}
.chat-form{flex:none;padding:16px 20px max(16px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--bg)}.chat-form label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.chat-form input,.chat-form textarea{width:100%;border:1px solid var(--line);border-radius:3px;background:var(--surface);color:var(--ink);padding:10px 12px;font:14px/1.4 var(--sans)}.chat-form input{height:40px}.chat-form textarea{display:block;margin-top:10px;resize:none;min-height:80px;max-height:140px}.chat-form textarea:focus-visible{outline:2px solid var(--orange);outline-offset:3px}.chat-form input:disabled,.chat-form textarea:disabled{opacity:.6;cursor:not-allowed}.chat-form input::placeholder,.chat-form textarea::placeholder{color:var(--muted)}
.chat-compose-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px}.chat-compose-actions>span{font:11px var(--mono);color:var(--muted)}#chat-send{display:flex;gap:20px;align-items:center;justify-content:center;min-height:40px;padding:8px 16px;background:var(--orange);color:var(--black);border-radius:3px;font-size:13px;font-weight:600}#chat-send:disabled{background:var(--surface);color:var(--muted)}
.chat-feedback{font-size:12px;color:var(--ink);margin-top:10px}.chat-feedback:empty{display:none}.chat-note{font-size:11px;color:var(--muted);line-height:1.5;margin-top:12px}
body.chat-open{padding-left:360px}body.chat-open .chat-toggle{display:none}body.chat-open .nav-wrap{gap:18px}body.chat-open .nav-wrap nav{gap:16px}body.chat-open .intro{gap:28px}body.chat-open .countdown-band{grid-template-columns:190px 1fr;gap:20px}body.chat-open .fuel{border-left:0;padding-left:0}body.chat-open .market-facts{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1200px){body.chat-open .nav-wrap nav{display:none}body.chat-open .intro{grid-template-columns:1fr}body.chat-open .intro-spec{display:none}body.chat-open .totals{grid-template-columns:repeat(2,minmax(0,1fr))}body.chat-open .totals>div:nth-child(3){border-left:0;padding-left:0}body.chat-open .chart-heading{align-items:start;flex-direction:column}body.chat-open .steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){body.chat-open{padding-left:0;overflow:hidden}.smash-chat{width:100%;border:0}.chat-toggle{left:16px;bottom:max(16px,env(safe-area-inset-bottom))}.chat-form input,.chat-form textarea{font-size:16px}.chat-heading{padding:16px 20px}.chat-empty{max-width:360px;margin:auto}.chat-form textarea{min-height:65px}.chat-note{margin-top:8px}}
@media(max-height:540px){.chat-heading{padding:8px 16px}.chat-heading p{display:none}.chat-room{padding:7px 16px}.chat-form{padding:8px 16px}.chat-form textarea{min-height:44px;height:44px}.chat-note{display:none}.chat-empty{padding:8px 0}.chat-empty>img{display:none}}