body {
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  min-height: 100vh;
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  color: #fff;
}


.container,
.section {
  padding: 30px;
  background-color: #1e2a38;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.3);
  margin-bottom: 30px;
}


h1,
h2,
h3,
h4,
h5 {
  color: #e0f7fa;
}


table {
  width: 100%;
  border-collapse: collapse;
  background-color: #2c3e50;
  color: #fff;
}

table th,
table td {
  border: 1px solid #34495e;
  padding: 10px;
  text-align: left;
}

table th {
  background-color: #1e2a38;
  color: #a0d8ef;
}

table tr:hover {
  background-color: #34495e;
}


.form-control {
  background-color: #2c3e50;
  border: 1px solid #34495e;
  color: #fff;
  padding: 10px;
  border-radius: 6px;
  width: 100%;
}

.form-control:focus {
  border-color: #1abc9c;
  box-shadow: 0 0 5px #1abc9c;
  outline: none;
}

label {
  display: block;
  margin-bottom: 6px;
  color: #a0d8ef;
  font-weight: 500;
}


.btn {
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.2s ease-in-out;
}

.btn-success {
  background-color: #27ae60;
  color: #fff;
  border: none;
}

.btn-success:hover {
  background-color: #1e8449;
}

.btn-secondary {
  background-color: #2980b9;
  color: #fff;
  border: none;
}

.btn-secondary:hover {
  background-color: #1c5980;
}


a {
  color: #a0d8ef;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}


.logo {
  display: block;
  margin: 0 auto 20px;
  width: 120px;
  filter: drop-shadow(0 0 5px #000);
}


input[type="checkbox"],
input[type="radio"] {
  accent-color: #1abc9c;
}


footer {
  text-align: center;
  padding: 20px;
  color: #ccc;
  font-size: 0.9rem;
}


.custom-navbar {
  background-color: #1e2a38 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.custom-navbar .dropdown-menu {
  background-color: #1a1a1a;
}

.custom-navbar .navbar-brand,
.custom-navbar .nav-link,
.custom-navbar .dropdown-item {
  color: #a0d8ef !important;
}

.custom-navbar .nav-link:hover,
.custom-navbar .dropdown-item:hover {
  color: #1abc9c !important;
}


.custom-footer {
  background-color: #1e2a38;
  color: #fff;
}

.custom-footer h6 {
  color: #f1c40f;
}

.custom-footer .small,
.custom-footer ul li {
  color: #bdc3c7;
}

.custom-footer i {
  color: #f1c40f;
}

.custom-footer hr {
  border-color: #f1c40f;
}

.seccion-oscura {
  background-color: #1e2a38;
  color: #fff;
}