:root { --fondo: #f6f8fa; --texto: #1d2733; --marca: #0b3a5a; --aviso: #8a1c1c; --borde: #c9d3dd; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--fondo); color: var(--texto);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { color: var(--marca); font-size: 1.7rem; line-height: 1.25; }
h2 { color: var(--marca); font-size: 1.2rem; margin-top: 2rem; }
code { font-size: .9em; word-break: break-all; }
.pendiente { background: #fff1a8; outline: 1px dashed #b38f00; }
.pendiente-bloque { border-left: 4px solid #b38f00; background: #fffbe6; padding: 4px 14px; }
.aviso { color: var(--aviso); font-weight: 600; }
.nota { font-size: .9rem; color: #4a5866; }
form { background: #fff; border: 1px solid var(--borde); border-radius: 10px; padding: 16px; }
label { display: block; margin: 12px 0 4px; font-weight: 600; }
label.check { font-weight: 400; display: flex; gap: 8px; align-items: flex-start; }
input[type=email], input[type=password] { width: 100%; padding: 10px; font-size: 1rem;
  border: 1px solid var(--borde); border-radius: 6px; }
button { margin-top: 16px; padding: 12px 18px; font-size: 1rem; font-weight: 600; color: #fff;
  background: var(--aviso); border: 0; border-radius: 8px; cursor: pointer; }
button[disabled] { opacity: .6; cursor: default; }
#resultado { padding: 12px 14px; border-radius: 8px; margin-bottom: 12px; }
#resultado.ok, .ok { background: #e6f4ea; border: 1px solid #9fd3ad; padding: 12px 14px; border-radius: 8px; }
#resultado.error { background: #fdecea; border: 1px solid #f1a9a0; }