.floating-theme{position:fixed;left:20px;bottom:20px;z-index:45;width:43px;height:43px;padding:0;border-radius:14px;background:var(--surface);box-shadow:0 12px 34px rgba(0,0,0,.22);backdrop-filter:blur(16px)}
.floating-theme span{font-size:19px}
.chat-shell{position:fixed;right:20px;bottom:20px;z-index:46;font-family:Geist,Inter,system-ui,sans-serif}
.chat-launcher{display:flex;align-items:center;gap:10px;min-height:46px;padding:6px 16px 6px 7px;border:1px solid rgba(170,163,255,.46);border-radius:99px;background:#edf0ff;color:#101627;box-shadow:0 15px 40px rgba(4,7,18,.32);font-size:12px;font-weight:750;transition:transform .2s,box-shadow .2s}
.chat-launcher:hover{transform:translateY(-3px);box-shadow:0 21px 45px rgba(4,7,18,.38)}
.chat-launcher-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#171c32;color:#b5adff;font-size:18px}
.chat-panel{position:absolute;right:0;bottom:calc(100% + 12px);width:min(380px,calc(100vw - 32px));max-height:min(610px,calc(100dvh - 105px));display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--line-strong);border-radius:20px;background:var(--surface);color:var(--text);box-shadow:0 30px 100px rgba(3,6,18,.5);animation:chatAppear .22s ease-out}
.chat-panel[hidden],.chat-form[hidden],.chat-choices[hidden]{display:none!important}
.chat-header{display:flex;align-items:center;gap:11px;padding:17px 17px 15px;background:linear-gradient(120deg,rgba(138,125,255,.18),rgba(91,199,181,.07));border-bottom:1px solid var(--line)}
.chat-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:rgba(170,163,255,.2);color:var(--accent);font-size:20px}
.chat-header strong,.chat-header small{display:block}.chat-header strong{font-size:13px;line-height:1.3}.chat-header small{font-size:10px;color:var(--muted);margin-top:2px}.chat-header button{margin-left:auto;width:30px;height:30px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--muted);font-size:20px;line-height:1}
.chat-header button:hover{color:var(--text)}
.chat-transcript{display:flex;flex-direction:column;gap:11px;min-height:145px;max-height:300px;overflow-y:auto;padding:19px 17px;scrollbar-width:thin}
.chat-bubble{max-width:90%;width:fit-content;margin:0;padding:11px 13px;border-radius:13px;font-size:12px;line-height:1.5}
.chat-bot{align-self:flex-start;border:1px solid var(--line);background:var(--bg-soft);color:var(--text-soft);border-top-left-radius:4px}
.chat-user{align-self:flex-end;background:rgba(170,163,255,.18);border:1px solid rgba(170,163,255,.35);color:var(--text);border-top-right-radius:4px}
.chat-choices{display:grid;gap:8px;padding:0 17px 17px}
.chat-choices button{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:41px;padding:9px 12px;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface-2);color:var(--text);font-size:12px;font-weight:650;text-align:left;transition:border-color .2s,transform .2s}
.chat-choices button:hover{border-color:var(--accent);transform:translateX(3px)}.chat-choices button span{color:var(--accent)}
.chat-form{padding:0 17px 17px}.chat-form label{display:block;margin:0 0 8px;font-size:11px;font-weight:690;color:var(--text-soft)}.chat-form>div{display:flex;gap:7px}.chat-form input{flex:1;min-width:0;min-height:42px;padding:9px 11px;border:1px solid var(--line-strong);border-radius:10px;background:var(--bg-soft);color:var(--text);font-size:12px}.chat-form input:focus{outline:2px solid var(--accent);outline-offset:2px}.chat-form button{flex:none;width:43px;border:0;border-radius:10px;background:var(--accent-solid);color:#fff;font-size:20px;font-weight:700}.chat-form button:disabled{opacity:.55}.chat-form .field-error{margin-top:7px}
.chat-privacy{margin:0;padding:11px 17px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.4}
@keyframes chatAppear{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:600px){.floating-theme{left:12px;bottom:12px;width:41px;height:41px}.chat-shell{right:12px;bottom:12px}.chat-panel{width:calc(100vw - 24px);max-height:calc(100dvh - 85px)}.chat-launcher{min-height:43px;padding-right:13px;font-size:11px}.chat-launcher-icon{width:29px;height:29px}}
@media(prefers-reduced-motion:reduce){.chat-panel{animation:none}.chat-launcher,.chat-choices button{transition:none}}