:root {
  --navy: #0B2545;
  --red: #C81D25;
  --gray: #6b7280;
  --bg: #f4f5f7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: #1a1a1a;
}
.heart { color: var(--red); }
.topbar {
  background: var(--navy);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar a { color: #fff; text-decoration: underline; }
.userbox { font-weight: normal; font-size: 14px; }
main { max-width: 900px; margin: 24px auto; padding: 0 16px; }
.card {
  background: #fff;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.card h2 { margin-top: 0; color: var(--navy); font-size: 18px; }
.recursos { padding-left: 18px; }
.recursos li { margin-bottom: 8px; }
.recursos a { color: var(--red); text-decoration: none; font-weight: bold; }
.recursos a:hover { text-decoration: underline; }
.muted { color: var(--gray); font-size: 14px; }
.login-box {
  max-width: 380px;
  margin: 80px auto;
  background: #fff;
  padding: 32px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
}
.login-box h1 { color: var(--navy); font-size: 20px; margin-top: 0; }
.login-box label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--gray); }
.login-box input, .login-box select { width: 100%; padding: 9px; margin-top: 4px; border: 1px solid #ccc; border-radius: 5px; font-size: 14px; }
.login-box button, form button {
  background: var(--red);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 5px;
  font-size: 14px;
  cursor: pointer;
  margin-top: 6px;
}
.login-box button:hover, form button:hover { opacity: .9; }
.error { background: #fde2e2; color: #8a1c1c; padding: 8px 12px; border-radius: 5px; margin-bottom: 14px; font-size: 13px; }
.ok { background: #e2f7e2; color: #1c5a1c; padding: 8px 12px; border-radius: 5px; margin-bottom: 14px; font-size: 13px; }
table.tabla { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tabla th, table.tabla td { padding: 8px; border-bottom: 1px solid #eee; text-align: left; }
button.small { padding: 4px 10px; font-size: 12px; }