* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: #111; font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "DejaVu Sans", sans-serif; }
body.sin-fuente { font-family: initial; }
body.con-fuente { font-family: Georgia, "Times New Roman", serif; }
main { max-width: 760px; margin: 0 auto; padding: 40px 16px 320px; }
h1 { font-size: 30px; line-height: 1.15; margin: 0 0 8px; }
h2 { font-size: 16px; margin: 28px 0 8px; }
p { margin: 0 0 12px; }
.muted { color: #555; }
.grupo { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.grupo a, button { font: inherit; font-size: 14px; color: inherit; background: #fff; border: 1px solid #bbb; border-radius: 8px; padding: 6px 12px; text-decoration: none; cursor: pointer; }
button.fuerte { background: #111; color: #fff; border-color: #111; }
table { width: 100%; border-collapse: collapse; }
td { padding: 8px 0; border-top: 1px solid #e5e5e5; }
td:last-child { text-align: right; white-space: nowrap; }
iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; }
label { display: block; margin-bottom: 8px; }
input[type="text"], input[type="email"] { display: block; width: 100%; font: inherit; padding: 8px; border: 1px solid #bbb; border-radius: 8px; margin-top: 4px; }
.aviso { background: #fff4e5; border: 1px solid #f59e0b; border-radius: 8px; padding: 12px; }
pre { margin: 0; padding: 12px; background: #f4f4f4; border-radius: 8px; font-size: 13px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
#flotante { position: fixed; right: 24px; bottom: 24px; padding: 12px 16px; border-radius: 24px; background: #25D366; color: #fff; }
footer { max-width: 760px; margin: 0 auto; padding: 16px; border-top: 1px solid #e5e5e5; font-size: 14px; }
footer a { color: inherit; }