/* Estilos de la demo. Oscuro por defecto y con botones grandes. */
:root {
  color-scheme: dark;
  --fondo: #141519;
  --panel: #1d1f26;
  --texto: #f2f3f5;
  --tenue: #b9bdc7;
  --acento: #5b9dff;
  --borde: #343844;
  --bien: #39c07c;
  --mal: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 1.15rem/1.6 system-ui, "Segoe UI", Roboto, sans-serif;
}

.envoltorio { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

header { padding: 32px 0 8px; }
header h1 { font-size: 2.2rem; margin: 0 0 6px; }
header p { color: var(--tenue); margin: 0; }

.rejilla {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 28px;
  padding-top: 24px;
  padding-bottom: 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .rejilla { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 2px solid var(--borde);
  border-radius: 16px;
  padding: 24px;
}

h2 { font-size: 1.35rem; margin: 0 0 8px; }
h3 { font-size: 1.15rem; margin: 24px 0 8px; }

label { display: block; font-weight: 600; margin: 18px 0 6px; }
label b { color: var(--tenue); font-weight: 400; font-size: 0.95rem; }

input {
  width: 100%;
  padding: 14px 16px;
  font-size: 1.12rem;
  border-radius: 12px;
  border: 2px solid var(--borde);
  background: #0f1014;
  color: var(--texto);
}
input:focus { outline: 3px solid var(--acento); outline-offset: 2px; }

button, .boton {
  display: inline-block;
  margin-top: 12px;
  padding: 16px 28px;
  font-size: 1.2rem;
  font-weight: 700;
  border: 0;
  border-radius: 14px;
  background: var(--acento);
  color: #06101f;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .boton:hover { filter: brightness(1.12); }
button:disabled { opacity: 0.6; cursor: progress; }
.boton.secundario { background: transparent; color: var(--texto); border: 2px solid var(--borde); }

.acciones { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }

p.tenue, .tenue { color: var(--tenue); }

.aviso { padding: 14px 16px; border-radius: 12px; border-left: 6px solid var(--mal); background: #2a1a1d; margin: 12px 0; }
.aviso.bien { border-left-color: var(--bien); background: #16261f; }
.aviso ul { margin: 8px 0 0 20px; }

table { border-collapse: collapse; width: 100%; font-size: 1rem; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--borde); }
th { color: var(--tenue); font-weight: 600; }

iframe {
  width: 100%;
  height: 640px;
  margin-top: 18px;
  border: 2px solid var(--borde);
  border-radius: 14px;
  background: #fff;
}

.informe {
  background: #0f1014;
  border: 2px solid var(--borde);
  border-radius: 12px;
  padding: 14px;
  overflow: auto;
  max-height: 260px;
  font-size: 0.95rem;
}

.oculto { display: none; }

footer {
  border-top: 1px solid var(--borde);
  padding: 20px 0 40px;
  color: var(--tenue);
  font-size: 0.95rem;
}
footer a { color: var(--acento); }