.bkp-launcher{position:fixed;right:1rem;bottom:calc(5.5rem + env(safe-area-inset-bottom));z-index:40;background:#20251f;color:#fff;border:1px solid #b79a60;border-radius:2rem;padding:.85rem 1.2rem;font:600 1rem system-ui;box-shadow:0 4px 20px #0003;cursor:pointer}.bkp-chat{width:min(440px,calc(100vw - 24px));max-height:calc(100dvh - 24px);padding:0;border:1px solid #b79a60;border-radius:16px;color:#20251f;background:#fff;font:1rem/1.5 system-ui;overflow:auto}.bkp-chat::backdrop{background:#0005}.bkp-chat header,.bkp-chat footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;background:#f3f1ea}.bkp-chat h2{font:600 1.1rem/1.3 system-ui;margin:0}.bkp-chat button{font:inherit;cursor:pointer;min-height:44px;border:1px solid #aaa;border-radius:8px;padding:8px 12px;background:#fff;color:#20251f}.bkp-chat button:disabled{opacity:.6;cursor:wait}.bkp-messages{height:min(310px,35dvh);min-height:120px;overflow:auto;padding:16px;overscroll-behavior:contain}.bkp-message{padding:12px;margin-bottom:12px;background:#f4f4f1;border-radius:10px;white-space:pre-wrap;overflow-wrap:anywhere}.bkp-user{background:#20251f;color:#fff;margin-left:24px}.bkp-message a{display:block;margin-top:10px;color:#324a29;text-decoration:underline}.bkp-quick{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px}.bkp-quick button{font-size:.875rem}.bkp-notice{font-size:.875rem;padding:12px 16px;margin:0;color:#555}.bkp-chat form{padding:0 16px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.bkp-chat label{grid-column:1/-1}.bkp-chat input{min-width:0;width:100%;font:1rem system-ui;padding:10px;border:1px solid #999;border-radius:8px;box-sizing:border-box}.bkp-chat form button{background:#20251f;color:#fff}.bkp-status{margin:4px 16px;min-height:24px;font-size:.875rem}.bkp-chat footer{font-size:.875rem;flex-wrap:wrap}.bkp-chat footer a{color:#324a29}.bkp-chat :focus-visible,.bkp-launcher:focus-visible{outline:3px solid #997934;outline-offset:3px}
.bkp-chat[open]{display:flex;flex-direction:column}.bkp-chat header{flex-shrink:0}.bkp-messages{flex:1 1 180px;min-height:100px;height:220px}.bkp-quick{max-height:30dvh;overflow:auto;padding-bottom:12px;flex-shrink:0}.bkp-nav{display:flex;gap:6px;flex-wrap:wrap;padding:12px 16px;border-top:1px solid #ddd}.bkp-nav button{font-size:.875rem}.bkp-chat footer{flex-shrink:0}.bkp-notice{padding:10px 16px}.bkp-chat{overflow:hidden}
@media(max-width:480px){.bkp-chat{max-height:calc(100dvh - 16px);width:calc(100vw - 16px)}.bkp-chat header{padding:12px}.bkp-quick button{flex:1 1 44%;text-align:left}.bkp-nav button{flex:1}.bkp-messages{height:180px;min-height:90px}}