.rcgtp-chat{border:1px solid #e5e7eb;border-radius:16px;max-width:720px;margin:10px auto;display:flex;flex-direction:column;overflow:hidden;--rcgtp-height:520px;background:#fff;box-shadow:0 10px 25px rgba(0,0,0,.06)}
.rcgtp-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #f0f0f0;background:#fafafa}
.rcgtp-title{font-weight:600}
.rcgtp-badge{font-size:12px;padding:2px 8px;border-radius:999px;background:#eef;border:1px solid #ccd}
.rcgtp-messages{height:calc(var(--rcgtp-height) - 92px);overflow:auto;padding:16px;line-height:1.45;background:#fff}
.rcgtp-msg{max-width:88%;padding:10px 12px;margin:6px 0;border-radius:14px;border:1px solid #eee}
.rcgtp-user{margin-left:auto;background:#f1f5ff}
.rcgtp-assistant{margin-right:auto;background:#f8fafc}
.rcgtp-form{display:flex;gap:8px;padding:10px;border-top:1px solid #f0f0f0;background:#fafafa}
.rcgtp-input{flex:1;border:1px solid #e5e7eb;border-radius:12px;padding:10px 12px}
.rcgtp-send{border:1px solid #d1d5db;background:#fff;border-radius:12px;padding:8px 14px;cursor:pointer}
.rcgtp-send:hover{background:#f5f5f5}
.rcgtp-footnote{font-size:12px;color:#64748b;padding:6px 12px;border-top:1px dashed #eee;background:#fcfcff}