/* ---------- Chat San Marcos ---------- */
.sm-fab{position:fixed;right:16px;bottom:16px;z-index:80;display:flex;align-items:center;gap:8px;background:var(--oro);color:var(--verde);border:none;border-radius:999px;padding:14px 20px;font:700 15px "Open Sans",system-ui,sans-serif;cursor:pointer;box-shadow:0 4px 14px rgba(5,89,35,.3)}
.sm-fab:hover{filter:brightness(.94)}
.sm-fab:focus-visible,.sm-chat button:focus-visible,.sm-chat textarea:focus-visible{outline:2px solid var(--oro);outline-offset:2px}

.sm-chat{position:fixed;right:16px;bottom:16px;z-index:90;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100dvh - 32px);display:flex;flex-direction:column;background:var(--blanco);color:var(--verde);border:1px solid var(--borde);border-radius:10px;box-shadow:0 10px 30px rgba(5,89,35,.25);overflow:hidden;font-family:"Open Sans",system-ui,sans-serif;font-size:15px;line-height:1.5}
.sm-chat[hidden]{display:none}
.sm-head{display:flex;align-items:center;justify-content:space-between;background:var(--verde);color:#fff;padding:12px 16px}
.sm-head b{font-family:"Fraunces",Georgia,serif;font-size:18px;font-weight:700}
.sm-close{background:none;border:none;color:#fff;font-size:28px;line-height:1;cursor:pointer;padding:0 4px}

.sm-msgs{flex:1;overflow-y:auto;padding:16px;background:var(--fondo);display:flex;flex-direction:column;gap:10px}
.sm-msg{max-width:85%;padding:10px 14px;border-radius:10px;white-space:pre-wrap;overflow-wrap:anywhere}
.sm-bot{align-self:flex-start;background:var(--blanco);border:1px solid var(--borde)}
.sm-user{align-self:flex-end;background:var(--verde);color:#fff}
.sm-error{align-self:flex-start;background:var(--blanco);border:1px solid #B3261E;color:#B3261E;font-weight:600}
.sm-wait{opacity:.7}

.sm-sugs{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.sm-sug{background:var(--blanco);color:var(--verde);border:1px solid var(--verde);border-radius:8px;padding:8px 12px;font:600 14px "Open Sans",system-ui,sans-serif;text-align:left;cursor:pointer}
.sm-sug:hover{background:var(--verde);color:#fff}

.sm-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--borde);background:var(--blanco)}
.sm-form textarea{flex:1;resize:none;height:44px;padding:10px 12px;border:1px solid var(--borde);border-radius:8px;font:inherit;font-size:16px;color:var(--verde);background:var(--blanco)}
.sm-send{background:var(--oro);color:var(--verde);border:none;border-radius:8px;padding:0 16px;font:700 15px "Open Sans",system-ui,sans-serif;cursor:pointer}
.sm-send:disabled{opacity:.6;cursor:wait}

@media(max-width:600px){
  .sm-chat{right:0;bottom:0;left:0;width:100%;max-width:100%;height:100dvh;max-height:100dvh;border-radius:0;border:none}
}