:root {
  --fondo: #f6f5f1; --panel: #ffffff; --texto: #1d1c1a; --suave: #6b6862; --borde: #e3e0d8;
  --acento: #c96442; --acento-2: #e08a66; --yo: #ece8df; --error: #b3261e; --ok: #2e7d4f;
  --sombra: 0 1px 2px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #191917; --panel: #232220; --texto: #ece9e2; --suave: #a09c93; --borde: #34322e;
    --acento: #d97757; --acento-2: #f0a483; --yo: #2d2b28; --error: #f2b8b5; --ok: #7fd1a0;
    --sombra: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--fondo); color: var(--texto);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
button, select, input, textarea { font: inherit; color: inherit; }
.oculto { display: none !important; }

/* ---------- entrar / alta ---------- */
.tarjeta {
  max-width: 400px; margin: 10vh auto 0; padding: 28px 24px; background: var(--panel);
  border: 1px solid var(--borde); border-radius: 16px; box-shadow: var(--sombra);
}
.tarjeta h1 { font-size: 1.35rem; margin: 0 0 4px; }
.tarjeta p { color: var(--suave); margin: 0 0 18px; }
.campo { display: block; margin: 0 0 14px; }
.campo span { display: block; font-size: .85rem; color: var(--suave); margin-bottom: 4px; }
.campo input {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--borde); background: var(--fondo);
}
.campo input:focus { outline: 2px solid var(--acento); outline-offset: 1px; }
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 16px;
  border-radius: 10px; border: 1px solid var(--borde); background: var(--panel); cursor: pointer;
}
.boton.principal { background: var(--acento); border-color: var(--acento); color: #fff; width: 100%; }
.boton:disabled { opacity: .55; cursor: default; }
.mensaje { min-height: 1.5em; margin: 12px 0 0; font-size: .9rem; }
.mensaje.error { color: var(--error); }
.mensaje.ok { color: var(--ok); }
.qr { display: flex; justify-content: center; margin: 8px 0 10px; }
.qr svg { width: 220px; height: 220px; border-radius: 8px; }
.secreto { font-family: ui-monospace, monospace; font-size: .8rem; word-break: break-all; text-align: center;
  color: var(--suave); margin-bottom: 18px; }

/* ---------- conversación ---------- */
.app { display: flex; flex-direction: column; height: 100dvh; max-width: 820px; margin: 0 auto; }
.barra {
  display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-bottom: 1px solid var(--borde);
}
.barra h1 { font-size: 1rem; margin: 0; flex: 1; font-weight: 600; }
.barra .boton { padding: 7px 10px; font-size: .9rem; }
.ajustes {
  padding: 12px 16px; border-bottom: 1px solid var(--borde); background: var(--panel);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px;
}
.ajustes label { font-size: .8rem; color: var(--suave); display: flex; flex-direction: column; gap: 4px; }
.ajustes select { padding: 8px; border-radius: 8px; border: 1px solid var(--borde); background: var(--fondo); }
.ajustes .fila { flex-direction: row; align-items: center; gap: 8px; color: var(--texto); font-size: .9rem; }

.charla { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.globo { max-width: 85%; padding: 10px 14px; border-radius: 16px; white-space: pre-wrap; word-wrap: break-word; }
.globo.yo { align-self: flex-end; background: var(--yo); border-bottom-right-radius: 4px; }
.globo.claude { align-self: flex-start; background: var(--panel); border: 1px solid var(--borde);
  border-bottom-left-radius: 4px; }
.globo.aviso { align-self: center; font-size: .85rem; color: var(--suave); background: transparent;
  border: 1px dashed var(--borde); }
.globo.error { align-self: center; font-size: .85rem; color: var(--error); }
.globo .meta { display: block; font-size: .72rem; color: var(--suave); margin-top: 4px; }
.globo.claude .herr { display: block; font-size: .8rem; color: var(--suave); font-style: italic; }
.vacio { margin: auto; text-align: center; color: var(--suave); max-width: 28em; }

.mando { border-top: 1px solid var(--borde); padding: 14px 16px calc(14px + env(safe-area-inset-bottom)); }
.centro { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.orbe {
  width: 96px; height: 96px; border-radius: 50%; border: 0; cursor: pointer; position: relative;
  background: radial-gradient(circle at 35% 30%, var(--acento-2), var(--acento));
  box-shadow: 0 6px 22px rgba(201,100,66,.35); transition: transform .12s; touch-action: none;
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.orbe:active { transform: scale(.96); }
.orbe svg { width: 38px; height: 38px; }
.orbe::after {
  content: ""; position: absolute; inset: -8px; border-radius: 50%; border: 3px solid var(--acento);
  opacity: 0; transform: scale(calc(1 + var(--nivel, 0) * .35));
}
.orbe.escuchando::after { opacity: .45; }
.orbe.oyendo::after { opacity: .9; }
.orbe.pensando { animation: latido 1.2s ease-in-out infinite; }
.orbe.hablando::after { opacity: .7; animation: onda 1.1s ease-out infinite; }
.orbe.apagado { background: var(--borde); color: var(--suave); box-shadow: none; }
@keyframes latido { 50% { transform: scale(.93); opacity: .8; } }
@keyframes onda { from { transform: scale(1); opacity: .7; } to { transform: scale(1.35); opacity: 0; } }
.estado { font-size: .9rem; color: var(--suave); min-height: 1.4em; text-align: center; }
.insignia { font-size: .72rem; font-weight: 500; padding: 2px 8px; border-radius: 99px; margin-left: 6px;
  border: 1px solid var(--borde); color: var(--suave); vertical-align: middle; white-space: nowrap; }
.insignia.nodo { background: var(--acento); border-color: var(--acento); color: #fff; }
.accion { padding: 12px 16px; border-bottom: 1px solid var(--borde); background: var(--panel); }
.accion p { margin: 0 0 10px; font-size: .9rem; }
.fila-accion { display: flex; gap: 8px; flex-wrap: wrap; }
.fila-accion input { width: 9em; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--borde);
  background: var(--fondo); font-size: 1.1rem; letter-spacing: .15em; }
.fila-accion .boton.principal { width: auto; }
.globo.claude .herr code { font-family: ui-monospace, monospace; font-style: normal; font-size: .76rem; }

/* copiar */
.globo.claude { position: relative; padding-bottom: 34px; min-width: 120px; }
.globo pre {
  position: relative; margin: 8px 0; padding: 10px 12px 34px; border-radius: 8px; overflow-x: auto;
  background: var(--fondo); border: 1px solid var(--borde); white-space: pre;
  font: .82rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.copiar {
  font-size: .75rem; padding: 4px 10px; min-height: 28px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--borde); background: var(--panel); color: var(--suave);
}
.copiar:hover { color: var(--texto); border-color: var(--suave); }
.copiar.hecho { color: var(--ok); border-color: var(--ok); }
.copiar-globo { position: absolute; right: 8px; bottom: 6px; }
.copiar-codigo { position: absolute; right: 6px; bottom: 6px; }
.fuera { position: fixed; left: -9999px; top: 0; opacity: 0; }

/* conectar otra sesión */
.conectar { grid-column: 1 / -1; border-top: 1px solid var(--borde); padding-top: 10px; font-size: .9rem; }
.conectar p { margin: 4px 0 10px; color: var(--suave); }
.conectar input { width: 16em; max-width: 100%; letter-spacing: normal; font-size: .95rem; }
.conectar pre { white-space: pre-wrap; word-break: break-word; max-height: 50vh; overflow-y: auto; }
.rejilla-srv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.rejilla-srv input { letter-spacing: normal; font-size: .9rem; padding: 9px 10px; border-radius: 8px;
  border: 1px solid var(--borde); background: var(--fondo); width: 100%; }
.lista-servidores:not(:empty) { margin-bottom: 10px; display: flex; flex-direction: column; gap: 6px; }
.srv-fila { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border: 1px solid var(--borde);
  border-radius: 8px; background: var(--fondo); font-size: .88rem; }
.srv-fila .nom { font-weight: 600; } .srv-fila .dir { color: var(--suave); flex: 1; }
.srv-fila .quitar { border: 0; background: none; color: var(--error); cursor: pointer; font-size: .85rem; }
@media (max-width: 480px) { .rejilla-srv { grid-template-columns: 1fr; } }
.escribir { display: flex; gap: 8px; margin-top: 12px; }
.escribir textarea {
  flex: 1; resize: none; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--borde);
  background: var(--panel); max-height: 140px;
}
.escribir .boton { padding: 0 14px; }