#sg-chat-btn{position:fixed;bottom:calc(90px + env(safe-area-inset-bottom));left:16px;z-index:9999;background:var(--appearance-accent,#235b50);color:var(--appearance-onaccent,#fff);border:0;width:42px;height:42px;border-radius:50%;font:700 20px system-ui;cursor:pointer}
#sg-chat-panel{position:fixed;bottom:calc(90px + env(safe-area-inset-bottom));left:16px;width:400px;max-width:calc(100vw - 32px);height:540px;max-height:calc(100dvh - 120px);z-index:9999;display:flex;flex-direction:column;border:1px solid var(--border,#ddd);border-radius:18px;overflow:hidden;box-shadow:0 8px 35px #0003;background:var(--white,#fff);color:var(--ink,#231831);font:14px/1.55 system-ui}
#sg-chat-panel[hidden],#sg-chat-btn[hidden]{display:none!important}
#sg-chat-panel header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--white,#fff);border-bottom:1px solid var(--border,#ddd)}
#sg-chat-close{background:none;color:inherit;border:0;cursor:pointer;font:24px system-ui}
#sg-chat-msgs{flex:1;overflow:auto;padding:14px;background:var(--beige-light,#faf8f4)}
#sg-chat-msgs p{margin:0 0 12px}#sg-chat-msgs ol{padding-left:22px}#sg-chat-msgs a{color:var(--green,#235b50);text-decoration:underline}
#sg-chat-msgs .faq-answer{background:var(--white,#fff);color:var(--ink,#231831);padding:12px;border-radius:12px;margin-bottom:12px;overflow-wrap:anywhere}
#sg-chat-msgs .faq-question{background:var(--appearance-accent,#235b50);color:var(--appearance-onaccent,#fff);padding:10px 12px;border-radius:12px;margin:10px 0 10px 24px;overflow-wrap:anywhere}
#sg-chat-msgs button{display:block;text-align:left;margin:8px 0;padding:8px 10px;background:var(--white,#fff);color:var(--ink,#231831);border:1px solid var(--border,#ddd);border-radius:8px;cursor:pointer;font:inherit}
#sg-chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border,#ddd)}#sg-chat-input{min-width:0;flex:1;border:1px solid var(--border,#ddd);border-radius:8px;padding:10px;font:inherit;background:var(--white,#fff);color:var(--ink,#231831)}
#sg-chat-form button{border:0;border-radius:8px;background:var(--appearance-accent,#235b50);color:var(--appearance-onaccent,#fff);padding:10px 14px;cursor:pointer}.faq-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.faq-docs{max-width:900px;margin:24px auto;padding:20px}.faq-docs details{padding:18px;margin:12px 0;border:1px solid var(--border,#ddd);border-radius:14px;background:var(--white,#fff);color:var(--ink,#231831)}.faq-docs summary{font-weight:700;cursor:pointer}.faq-docs p,.faq-docs li{line-height:1.7}.faq-docs form{display:flex;gap:10px;margin:20px 0}.faq-docs input{flex:1;min-width:0;padding:12px}.faq-docs button{padding:10px 16px}