/* TB Chat CSS (Unified) - v25 */
.tb-chat-root{position:fixed;right:18px;bottom:18px;z-index:99999;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.tb-chat-fab{width:54px;height:54px;border-radius:999px;border:none;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.18);background:#0b4b74;color:#fff}
.tb-chat-fab:active{transform:translateY(1px)}
.tb-chat-fab-icon{font-size:20px;line-height:54px}
.tb-chat-panel{position:absolute;right:0;bottom:68px;width:min(420px,92vw);height:min(620px,82vh);background:#fff;border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.22);overflow:hidden;display:none}
.tb-chat-panel.is-open{display:flex;flex-direction:column}
.tb-chat-header{background:linear-gradient(180deg,#0c5e89 0%,#0b4b74 100%);color:#fff;padding:12px 12px;display:flex;align-items:center;justify-content:space-between}
.tb-chat-brand{display:flex;align-items:center;gap:10px}
.tb-chat-badge{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-weight:700}
.tb-chat-title{font-weight:700;font-size:16px;line-height:1}
.tb-chat-subtitle{font-size:12px;opacity:.9;margin-top:2px}
.tb-chat-actions{display:flex;gap:8px}
.tb-chat-iconbtn{width:34px;height:34px;border-radius:10px;border:none;background:rgba(255,255,255,.12);color:#fff;cursor:pointer;font-size:18px;line-height:34px}
.tb-chat-body{flex:1;overflow:auto;padding:14px;background:#f6f9fc}
.tb-chat-msg{display:flex;margin:10px 0}
.tb-chat-msg.is-user{justify-content:flex-end}
.tb-chat-bubble{max-width:84%;padding:10px 12px;border-radius:14px;font-size:14px;line-height:1.35;white-space:pre-wrap}
.tb-chat-msg.is-assistant .tb-chat-bubble{background:#fff;border:1px solid #e7eef6;color:#233043}
.tb-chat-msg.is-user .tb-chat-bubble{background:#e6f2ff;border:1px solid #d8ebff;color:#0d2b4a}
.tb-chat-chips{display:flex;flex-wrap:wrap;gap:8px;padding:10px 12px;border-top:1px solid #edf2f7;background:#fff}
.tb-chat-chip{border:1px solid #d8e6f3;background:#fff;border-radius:999px;padding:8px 10px;font-size:13px;cursor:pointer}
.tb-chat-chip:hover{background:#f4f9ff}
.tb-chat-composer{display:flex;gap:10px;padding:12px;border-top:1px solid #edf2f7;background:#fff}
.tb-chat-input{flex:1;resize:none;border:1px solid #dbe7f3;border-radius:14px;padding:10px 12px;font-size:14px;outline:none;min-height:42px}
.tb-chat-send{border:none;border-radius:14px;background:#0b4b74;color:#fff;padding:0 16px;cursor:pointer;font-weight:700}
.tb-chat-panel.is-sending .tb-chat-send{opacity:.7;cursor:not-allowed}
@media (max-width:480px){
  .tb-chat-panel{width:94vw;height:78vh}
}

/* WhatsApp botón (cierre premium) */
.tb-chat-wa{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 10px;border-radius:12px;background:#22c55e;color:#073b20;font-weight:800;font-size:12px;text-decoration:none;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.tb-chat-wa:hover{filter:brightness(1.05)}