:root {
  --navy: #1E2761;
  --navy-dark: #141B45;
  --ice: #CADCFC;
  --ice-bg: #F4F6FC;
  --accent: #3E64F4;
  --slate: #3C4560;
  --muted: #6E7794;
  --white: #FFFFFF;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Calibri", "Segoe UI", Arial, sans-serif;
  background: var(--ice-bg);
  color: var(--slate);
}

header {
  background: var(--navy-dark);
  color: var(--white);
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

header .brand h1 {
  font-size: 20px;
  margin: 0;
  font-weight: 700;
}

header .brand span {
  font-size: 12px;
  color: var(--ice);
  letter-spacing: 0.5px;
}

nav a {
  color: var(--ice);
  text-decoration: none;
  font-size: 14px;
  margin-left: 22px;
}

nav a:hover, nav a.active {
  color: var(--white);
  font-weight: 700;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 24px 60px;
}

.page-title {
  font-size: 26px;
  color: var(--navy);
  font-weight: 700;
  margin: 0 0 6px;
}

.page-subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 28px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.module-card {
  background: var(--white);
  border: 1px solid #E3E8F5;
  border-radius: 10px;
  padding: 22px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.module-card:hover {
  box-shadow: 0 8px 20px rgba(30, 39, 97, 0.12);
  transform: translateY(-2px);
}

.module-card .icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ice);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}

.module-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--navy);
}

.module-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.status-tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 3px 9px;
  border-radius: 20px;
}

.status-tag.active { background: #E4F7EC; color: #1E7A46; }
.status-tag.progress { background: #FFF1D6; color: #9A6300; }
.status-tag.soon { background: #EEF0F6; color: var(--muted); }

/* Correos module */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.filter-chip {
  background: var(--white);
  border: 1px solid #E3E8F5;
  color: var(--navy);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 20px;
}

.filter-chip.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #E3E8F5;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  font-size: 13.5px;
  border-bottom: 1px solid #EEF0F6;
}

th {
  background: var(--ice-bg);
  color: var(--navy);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

tr:last-child td { border-bottom: none; }

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
}

.badge.alta { background: #E4F7EC; color: #1E7A46; }
.badge.baja { background: #FCE7E7; color: #B3261E; }
.badge.prebaja { background: #FFF1D6; color: #9A6300; }
.badge.extension { background: #E7EEFF; color: #2A4BD7; }

.note-box {
  margin-top: 24px;
  background: var(--ice-bg);
  border: 1px dashed var(--ice);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 13px;
  color: var(--muted);
}

footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 24px;
}