.wpcgpt215-box{max-width:640px;margin:20px auto;border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;background:#fff;font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;box-shadow:0 8px 20px rgba(0,0,0,.05)}
.wpcgpt215-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#0b1d57;color:#fff}
.wpcgpt215-dot{width:10px;height:10px;background:#22c55e;border-radius:999px;display:inline-block}
.wpcgpt215-messages{height:360px;overflow:auto;padding:12px;background:#f8fafc}
.wpcgpt215-row{margin:6px 0;display:flex}
.wpcgpt215-row.user{justify-content:flex-end}
.wpcgpt215-bubble{max-width:80%;padding:10px 12px;border-radius:12px;border:1px solid #e5e7eb;background:#fff;font-size:14px;line-height:1.45}
.wpcgpt215-row.user .wpcgpt215-bubble{background:#e0f2fe;border-color:#bae6fd}
.wpcgpt215-row.bot .wpcgpt215-bubble{background:#ffffff}
.wpcgpt215-row.bot.loading .wpcgpt215-bubble{opacity:.7;font-style:italic}
.wpcgpt215-input{display:flex;border-top:1px solid #e5e7eb}
.wpcgpt215-input input{flex:1;padding:12px;border:0;outline:none;font-size:14px}
.wpcgpt215-input button{background:#0b1d57;color:#fff;border:0;padding:12px 16px;cursor:pointer;font-weight:700}