:root {
  --navy: #11253f;
  --navy-2: #1a3354;
  --ink: #1c222b;
  --muted: #5c6774;
  --line: #d5dce4;
  --fill: #f4f6f8;
  --paper: #f7f5f1;
  --white: #fff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", Calibri, "Liberation Sans", sans-serif;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
}

.top {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.top img { height: 36px; width: auto; }
.top .brand { display: flex; align-items: center; }
.top nav { display: flex; gap: 1.1rem; }
.top nav a { color: var(--navy); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.top nav a:hover { text-decoration: underline; }
.top .meta { text-align: right; color: var(--muted); font-size: 0.85rem; line-height: 1.35; }
.top .meta strong { color: var(--navy); display: block; font-size: 0.95rem; }
.inline { display: inline; }
button.linkish, .linkish {
  background: none; border: 0; color: var(--navy); padding: 0;
  font: inherit; cursor: pointer; text-decoration: underline; font-weight: 600;
}

main { max-width: 920px; margin: 0 auto; padding: 2rem 1.25rem 3rem; }

h1 { font-size: 1.55rem; color: var(--navy); margin: 0 0 0.4rem; letter-spacing: 0.01em; }
.lede { color: var(--muted); margin: 0 0 1.75rem; max-width: 40rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--navy);
  padding: 1.25rem 1.2rem 1.1rem;
  text-decoration: none;
  color: inherit;
  display: block;
}
.card:hover { border-color: var(--navy); }
.card h2 { margin: 0 0 0.35rem; font-size: 1.1rem; color: var(--navy); }
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.4; }
.card .code { margin-top: 0.9rem; font-size: 0.75rem; letter-spacing: 0.08em; color: var(--navy); text-transform: uppercase; }

.notice {
  margin-top: 2rem;
  padding: 0.9rem 1rem;
  background: var(--fill);
  border-left: 3px solid var(--navy);
  color: var(--muted);
  font-size: 0.88rem;
}

form { background: var(--white); border: 1px solid var(--line); padding: 1.4rem; }
.back { display: inline-block; margin-bottom: 1rem; color: var(--navy); text-decoration: none; font-size: 0.9rem; }
fieldset {
  border: 0;
  margin: 0 0 1.25rem;
  padding: 0;
}
legend {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
  padding: 0;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.75rem; }
label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.78rem; color: var(--muted); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
input, select, textarea {
  font: inherit;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-size: 0.95rem;
}
textarea { min-height: 4rem; resize: vertical; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { text-align: left; background: var(--navy); color: var(--white); padding: 0.4rem 0.45rem; font-weight: 600; font-size: 0.75rem; letter-spacing: 0.04em; }
td { padding: 0.3rem 0.25rem; border-bottom: 1px solid var(--line); }
td input, td select { width: 100%; }

button, .btn {
  appearance: none;
  border: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.7rem 1.2rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--navy-2); }
a.btn { display: inline-block; text-decoration: none; }
.btn-ghost, button.btn-ghost {
  background: transparent; color: var(--navy); border: 1px solid var(--line);
}
.btn-ghost:hover, button.btn-ghost:hover { background: var(--fill); color: var(--navy); }
.actions { display: flex; gap: 0.75rem; align-items: center; margin-top: 0.5rem; flex-wrap: wrap; }
.hint { color: var(--muted); font-size: 0.85rem; }
.row-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
.row-head h1 { margin: 0; }
.grupo { margin-bottom: 1.75rem; }
.grupo-title { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.7rem; }
table.list { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--line); }
table.list th, table.list td { padding: 0.55rem 0.7rem; text-align: left; border-bottom: 1px solid var(--line); }
table.list th { background: var(--navy); color: var(--white); font-size: 0.75rem; letter-spacing: 0.04em; }
table.list a { color: var(--navy); }
.muted { color: var(--muted); }
.error { color: #8b1e1e; background: #fdeeee; padding: 0.6rem 0.8rem; }
body:has(.login-box) main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 4rem;
}
.login-box {
  width: 100%;
  max-width: 22rem;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.5rem;
}
.login-box .lede { max-width: none; }
.login-box label { margin-bottom: 0.8rem; }
.login-box button { width: 100%; margin-top: 0.5rem; }
.notice.ok { border-left-color: #2d6a4f; }
.filters { display: flex; gap: 0.75rem; margin: 0 0 1rem; }
.filters a { color: var(--navy); text-decoration: none; }
.filters a.on { font-weight: 700; text-decoration: underline; }
form.baja { margin-top: 1rem; }