.quick-chat{position:fixed;right:24px;bottom:max(22px,env(safe-area-inset-bottom));z-index:60;font-family:var(--font-ui)}
.chat-launcher{display:flex;align-items:center;gap:10px;border:1px solid #59443a;border-radius:999px;background:#49382f;color:#fffaf6;padding:14px 20px;box-shadow:0 4px 20px #342b2926;font-size:13px}
.chat-launcher:hover{background:#674f42}.chat-launcher svg{flex-shrink:0}
.chat-panel{position:absolute;right:0;bottom:70px;width:360px;max-width:calc(100vw - 32px);max-height:min(640px,calc(100dvh - 110px));overflow:auto;overscroll-behavior:contain;border:1px solid #d8c9bc;background:var(--paper);border-radius:18px;box-shadow:0 12px 50px #342b2930}
.chat-panel[hidden]{display:none}.chat-header{display:flex;align-items:start;justify-content:space-between;gap:12px;padding:22px;background:#ede2d8;border-bottom:1px solid var(--line)}
.chat-eyebrow{font-size:10px;letter-spacing:2px}.chat-header h2{font-family:var(--font-heading);font-size:23px;line-height:1.4;margin:8px 0 4px}.chat-header p{font-size:11px;margin:0;color:var(--muted)}
.chat-close{font-size:25px;line-height:1;padding:6px 10px;border:0;border-radius:50%;background:transparent}.chat-close:hover{background:#ddcdc0}
.chat-body{padding:20px}.chat-intro{font-size:13px;margin:0 0 16px}.chat-topics{display:flex;flex-wrap:wrap;gap:8px}.chat-topics button{border:1px solid #d4c4b6;border-radius:20px;padding:8px 12px;font-size:12px;background:#fffaf6}.chat-topics button:hover,.chat-topics button[aria-pressed=true]{background:#eadbd0;border-color:#8a6a55}
.chat-answer{background:#f0eae4;padding:14px 16px;margin-top:18px;font-size:13px;border-radius:4px 14px 14px}.chat-answer p{margin:0;line-height:1.8}.chat-answer h3{font-family:var(--font-ui);font-size:14px;font-weight:600;line-height:1.5;margin:0 0 8px}.chat-answer a{display:inline-block;border-bottom:1px solid;margin-top:12px;font-size:12px}
.chat-zalo{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.chat-zalo>span{font-size:9px;letter-spacing:1.5px}.chat-zalo p{font-size:12px;color:var(--muted);margin:8px 0 14px}.chat-zalo-link{display:flex;justify-content:space-between;align-items:center;padding:11px 16px;background:#edf2f5;border:1px solid #c6d5df;border-radius:6px;font-size:13px;color:#235b85}.chat-zalo-link:hover{background:#e1ebf1}
@media(max-width:600px){.quick-chat{right:16px;bottom:max(16px,env(safe-area-inset-bottom))}.chat-launcher{padding:12px 16px}.chat-panel{bottom:62px;width:350px;max-height:calc(100dvh - 100px)}.chat-header{padding:18px}.chat-body{padding:16px}}
.chat-ai{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}.chat-ai h3{font-size:15px;margin:0 0 8px}.chat-ai-note,.chat-ai-status{font-size:11px;color:var(--muted);line-height:1.6}.chat-history{max-height:240px;overflow:auto;overscroll-behavior:contain}.chat-bubble{padding:10px 12px;background:#eee5dc;border-radius:12px;font-size:13px;line-height:1.7;overflow-wrap:anywhere;white-space:pre-wrap}.chat-bubble.user{margin-left:24px;background:#e7ede4}.chat-bubble.assistant{margin-right:12px}.chat-bubble strong{display:block;font-size:10px;letter-spacing:.6px;margin-bottom:3px}.chat-ai-form label{display:block;font-size:12px;margin:12px 0 6px}.chat-ai-form textarea{box-sizing:border-box;width:100%;padding:10px;border:1px solid #c7b5a7;border-radius:10px;background:#fffaf6;font:inherit;font-size:13px;resize:vertical;min-height:64px}.chat-ai-form textarea:focus-visible{outline:2px solid #8a6a55;outline-offset:2px}.chat-ai-actions{display:flex;justify-content:space-between;gap:8px;margin-top:8px}.chat-ai-actions button{border-radius:20px;padding:9px 14px;font-size:12px;border:1px solid #c7b5a7}.chat-ai-send{background:#49382f;color:#fffaf6}.chat-ai-clear{background:transparent}.chat-ai button:disabled,.chat-ai textarea:disabled{opacity:.55;cursor:not-allowed}