:root {
  --azul: #1F3864;
  --azul-claro: #EEF2F9;
  --verde: #3B6D11;
  --rojo: #A32D2D;
  --borde: #C9CFDB;
  --texto: #26282E;
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: #F4F5F8; color: var(--texto);
  font-size: 16px; line-height: 1.5;
}
header {
  background: var(--azul); color: #fff;
  padding: 18px 16px; text-align: center;
}
header h1 { margin: 0; font-size: 18px; font-weight: 600; letter-spacing: .3px; }
header p  { margin: 4px 0 0; font-size: 13px; opacity: .85; }
header a  { color: #fff; }
main { max-width: 720px; margin: 0 auto; padding: 16px; }
.aviso-ok, .aviso-error {
  border-radius: 10px; padding: 14px 16px; margin-bottom: 16px; font-size: 15px;
}
.aviso-ok    { background: #E7F2DC; border: 1px solid var(--verde); color: var(--verde); }
.aviso-error { background: #FBE9E9; border: 1px solid var(--rojo);  color: var(--rojo); }
fieldset {
  background: #fff; border: 1px solid var(--borde);
  border-radius: 12px; padding: 16px; margin: 0 0 16px;
}
legend { font-weight: 600; color: var(--azul); font-size: 15px; padding: 0 8px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 4px; }
label small { font-weight: 400; color: #666; }
input[type=text], select, textarea {
  width: 100%; padding: 10px 12px; font-size: 16px;
  border: 1px solid var(--borde); border-radius: 8px; background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--azul); border-color: var(--azul);
}
.fila { display: flex; gap: 12px; flex-wrap: wrap; }
.fila > div { flex: 1 1 200px; }
.radios { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.radios label {
  flex: 1 1 90px; margin: 0; font-weight: 400; text-align: center;
  border: 1px solid var(--borde); border-radius: 8px; padding: 10px 6px;
  cursor: pointer; background: #fff; font-size: 14px;
}
.radios input { display: none; }
.radios input:checked + span { font-weight: 700; }
.radios label:has(input[value="bien"]:checked) { background: #E7F2DC; border-color: var(--verde); color: var(--verde); }
.radios label:has(input[value="mal"]:checked)  { background: #FBE9E9; border-color: var(--rojo);  color: var(--rojo); }
.radios label:has(input[value="no"]:checked)   { background: var(--azul-claro); border-color: var(--azul); color: var(--azul); }
.cmd {
  background: var(--azul-claro); border-radius: 8px; padding: 8px 12px;
  font-family: Consolas, monospace; font-size: 14px; margin: 6px 0;
  word-break: break-all;
}
.foto-zona {
  border: 2px dashed var(--borde); border-radius: 12px;
  padding: 20px; text-align: center; background: #FAFBFD;
}
.foto-zona input { width: 100%; }
#vista-previa { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; justify-content: center; }
#vista-previa img {
  width: 84px; height: 84px; object-fit: cover;
  border-radius: 8px; border: 1px solid var(--borde);
}
button[type=submit] {
  width: 100%; background: var(--azul); color: #fff;
  font-size: 17px; font-weight: 600; border: none;
  border-radius: 10px; padding: 15px; cursor: pointer; margin: 4px 0 30px;
}
button[type=submit]:active { opacity: .85; }
footer { text-align: center; font-size: 12px; color: #888; padding: 0 0 24px; }

/* --- menú principal --- */
.menu { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.menu a {
  display: block; background: #fff; border: 1px solid var(--borde);
  border-left: 6px solid var(--azul); border-radius: 12px;
  padding: 20px 18px; text-decoration: none; color: var(--texto);
}
.menu a:active, .menu a:hover { background: var(--azul-claro); }
.menu strong { display: block; font-size: 17px; color: var(--azul); margin-bottom: 4px; }
.menu span { font-size: 14px; color: #555; }
.volver { display: inline-block; margin-bottom: 12px; font-size: 14px; color: var(--azul); }