:root {
  --fondo: #0d1117;
  --panel: #151b23;
  --panel-2: #1b232d;
  --linea: #2a3441;
  --tinta: #e8edf2;
  --tenue: #8d9aa8;
  --cian: #4fe3c2;
  --oro: #ffbd00;
  --rojo: #e0483f;
  --azul: #4a9eff;
  --radio: 12px;
  --mono: "Roboto Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--fondo);
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}
[hidden] { display: none !important; }

/* ---- cabecera / pie ---- */
.cabecera {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--linea);
}
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--tinta); }
.marca-texto { font-weight: 700; font-size: 22px; letter-spacing: .2px; }
.marca-texto span { color: var(--cian); }

main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 40px 24px 56px; }
.pie {
  display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
  padding: 16px 24px; border-top: 1px solid var(--linea);
  color: var(--tenue); font-family: var(--mono); font-size: 12px;
}
.tenue { color: var(--tenue); }

/* ---- tipografía ---- */
.etiqueta { font-family: var(--mono); font-size: 12px; letter-spacing: 2px; color: var(--cian); margin: 0 0 12px; }
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.15; margin: 0 0 16px; font-weight: 700; }
h2 { font-size: 20px; margin: 0 0 12px; }
.acento { color: var(--cian); }
.bajada { color: var(--tenue); font-size: 18px; margin: 0 0 28px; max-width: 54ch; }
.ayuda { color: var(--tenue); font-size: 14px; margin: 0 0 12px; }

/* ---- bienvenida ---- */
.bienvenida { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: start; }
.familia { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.familia li { display: flex; flex-direction: column; gap: 2px; padding: 12px 16px; border-left: 3px solid var(--cian); background: var(--panel); border-radius: 0 var(--radio) var(--radio) 0; }
.familia li:nth-child(2) { border-left-color: var(--oro); }
.familia li:nth-child(3) { border-left-color: var(--azul); }
.familia span { color: var(--tenue); font-size: 14px; }
.centrada { display: flex; justify-content: center; }
.centrada .tarjeta { width: 100%; max-width: 420px; }

/* ---- tarjeta / formularios ---- */
.tarjeta { background: var(--panel); border: 1px solid var(--linea); border-radius: var(--radio); padding: 24px; }
.pestanas { display: flex; gap: 4px; margin-bottom: 20px; background: var(--fondo); padding: 4px; border-radius: 10px; }
.pestana { flex: 1; padding: 10px 12px; border: 0; border-radius: 8px; background: transparent; color: var(--tenue); font: inherit; font-weight: 600; cursor: pointer; }
.pestana.activa { background: var(--panel-2); color: var(--tinta); }

form { display: flex; flex-direction: column; gap: 6px; }
label { font-size: 14px; color: var(--tenue); margin-top: 8px; }
label small { color: var(--tenue); opacity: .8; }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%; padding: 12px 14px; font: inherit; color: var(--tinta);
  background: var(--fondo); border: 1px solid var(--linea); border-radius: 10px;
}
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--cian); outline-offset: 2px; }

.btn { margin-top: 16px; padding: 13px 16px; border: 0; border-radius: 10px; font: inherit; font-weight: 700; cursor: pointer; }
.btn.primario { background: var(--cian); color: #06231d; }
.btn.primario:hover { filter: brightness(1.08); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn-texto { background: none; border: 0; color: var(--tenue); font: inherit; cursor: pointer; text-decoration: underline; padding: 8px 0; text-align: left; }
.btn-texto:hover { color: var(--tinta); }

.mensaje { margin: 14px 0 0; padding: 10px 12px; border-radius: 8px; font-size: 14px; background: var(--panel-2); border: 1px solid var(--linea); }
.mensaje.error { border-color: var(--rojo); color: #ffb4ae; }
.mensaje.ok { border-color: var(--cian); color: var(--cian); }

/* ---- hub ---- */
.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-bottom: 32px; }
.destino { display: flex; flex-direction: column; gap: 6px; padding: 20px; background: var(--panel); border: 1px solid var(--linea); border-left: 4px solid var(--cian); border-radius: var(--radio); text-decoration: none; color: var(--tinta); }
.destino.oro { border-left-color: var(--oro); }
.destino.azul { border-left-color: var(--azul); }
a.destino:hover { background: var(--panel-2); }
.destino strong { font-size: 18px; }
.destino span { color: var(--tenue); font-size: 14px; }
.destino .insignia { align-self: flex-start; margin-top: 6px; font-family: var(--mono); font-size: 11px; letter-spacing: 1px; color: var(--oro); border: 1px solid var(--oro); border-radius: 999px; padding: 2px 10px; }
.destino.apagado { opacity: .75; }

.roles { max-width: 420px; }
.rol { display: flex; align-items: center; gap: 10px; margin: 4px 0; color: var(--tinta); font-size: 16px; }
.rol input { width: 18px; height: 18px; accent-color: var(--cian); }

.cargando { color: var(--tenue); font-family: var(--mono); font-size: 13px; }

/* ---- celular ---- */
@media (max-width: 820px) {
  .bienvenida { grid-template-columns: 1fr; gap: 32px; }
  .bienvenida .auth { order: -1; }
  main { padding: 28px 16px 40px; }
  .cabecera, .pie { padding-left: 16px; padding-right: 16px; }
  .bajada { font-size: 16px; }
}