.arvin-chat{--ac-dark:#171410;--ac-gold:#c1901f;--ac-paper:#fbf8f1;position:fixed;right:22px;bottom:22px;z-index:999;font-family:"IBM Plex Sans",system-ui,sans-serif;color:#211c15}
.arvin-launch{width:60px;height:60px;border:0;border-radius:50%;background:var(--ac-gold);color:var(--ac-dark);display:grid;place-items:center;cursor:pointer;box-shadow:0 16px 38px rgba(0,0,0,.34);transition:transform .2s,background .2s}
.arvin-launch:hover{transform:translateY(-3px);background:#e0ab30}.arvin-launch svg{width:27px;height:27px}.arvin-launch[aria-expanded="true"] .open-icon,.arvin-launch:not([aria-expanded="true"]) .close-icon{display:none}
.arvin-panel{position:absolute;right:0;bottom:74px;width:min(380px,calc(100vw - 28px));height:min(600px,calc(100vh - 112px));background:var(--ac-paper);border:1px solid #d5c6a5;border-radius:18px;overflow:hidden;box-shadow:0 28px 80px rgba(0,0,0,.38);display:flex;flex-direction:column;transform:translateY(14px) scale(.97);transform-origin:bottom right;opacity:0;visibility:hidden;transition:.25s cubic-bezier(.2,.7,.2,1)}
.arvin-panel.open{transform:none;opacity:1;visibility:visible}.arvin-head{background:var(--ac-dark);color:#e7e1d3;padding:17px 18px;display:flex;align-items:center;gap:12px}.arvin-avatar{width:42px;height:42px;border-radius:50%;background:var(--ac-gold);color:var(--ac-dark);display:grid;place-items:center;font:800 13px "Archivo",sans-serif}.arvin-title{flex:1}.arvin-title b{display:block;font:700 16px "Archivo",sans-serif}.arvin-title span{display:flex;align-items:center;gap:7px;color:#aaa291;font-size:11px}.arvin-title span::before{content:"";width:7px;height:7px;border-radius:50%;background:#69bc91}.arvin-reset{border:0;background:transparent;color:#a9a18f;cursor:pointer;font-size:12px;padding:7px}.arvin-reset:hover{color:#e0ab30}
.arvin-messages{flex:1;overflow-y:auto;padding:18px;background:linear-gradient(rgba(251,248,241,.94),rgba(251,248,241,.94)),repeating-linear-gradient(0deg,transparent 0 31px,#dfd3bd 32px)}.arvin-msg{max-width:86%;padding:11px 13px;border-radius:13px;margin-bottom:10px;font-size:13.5px;line-height:1.48;white-space:pre-line}.arvin-msg.bot{background:#fff;border:1px solid #e0d4bc;border-bottom-left-radius:4px}.arvin-msg.user{background:var(--ac-gold);color:var(--ac-dark);margin-left:auto;border-bottom-right-radius:4px}.arvin-msg a{font-weight:700;text-decoration:underline}.arvin-time{font:9px "IBM Plex Mono",monospace;opacity:.55;display:block;margin-top:5px}
.arvin-quick{display:flex;gap:7px;overflow-x:auto;padding:10px 14px;border-top:1px solid #e0d4bc;background:#fff;scrollbar-width:none}.arvin-quick::-webkit-scrollbar{display:none}.arvin-quick button{white-space:nowrap;border:1px solid #c9af7a;border-radius:999px;background:#fff;padding:8px 11px;color:#6f3b20;font:600 11px "IBM Plex Sans",sans-serif;cursor:pointer}.arvin-quick button:hover{background:#f3ead8;border-color:var(--ac-gold)}
.arvin-compose{display:grid;grid-template-columns:1fr 42px;gap:8px;padding:12px;background:#fff;border-top:1px solid #e0d4bc}.arvin-compose input{min-width:0;height:42px;border:1px solid #d5c6a5;border-radius:10px;background:#f8f3e9;padding:0 12px;font:13px "IBM Plex Sans",sans-serif;color:#211c15}.arvin-compose input:focus{outline:none;border-color:var(--ac-gold);box-shadow:0 0 0 3px rgba(193,144,31,.12)}.arvin-send{border:0;border-radius:10px;background:var(--ac-gold);color:var(--ac-dark);font-size:19px;cursor:pointer}.arvin-send:hover{background:#e0ab30}.arvin-foot{text-align:center;padding:0 10px 9px;background:#fff;color:#8a8172;font-size:9px}
.arvin-wa{display:inline-flex;align-items:center;gap:7px;margin-top:8px;background:#167b47;color:#fff!important;text-decoration:none!important;border-radius:999px;padding:9px 13px;font-size:12px}.arvin-wa:hover{background:#10653a}
@media(max-width:520px){.arvin-chat{right:14px;bottom:14px}.arvin-panel{position:fixed;inset:12px 12px 86px;width:auto;height:auto;transform-origin:bottom center}.arvin-launch{width:56px;height:56px}}
@media(prefers-reduced-motion:reduce){.arvin-panel,.arvin-launch{transition:none}}