/* ====== ESTILOS GENERALES ====== */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
}

/* ====== NAVBAR ====== */
.nav {
  display: flex;
  background-color: #4c6ca0;
}

.nav a {
  flex: 1;
  text-align: center;
  padding: 1rem;
  color: white;
  text-decoration: none;
  font-weight: bold;
  background-color: #688cc7;
}

.nav a.active {
  background-color: white;
  color: black;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
}

/* ====== CONTENEDOR PRINCIPAL ====== */
.contenedor {
  padding: 2rem;
  max-width: 1200px;
  margin: 20px auto 0 auto;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

/* ====== TABLAS ====== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background-color: white;
}

th, td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: center;
}

th {
  background-color: #e5efff;
}

.estado-verde {
  color: green;
  font-weight: bold;
}

.estado-amarillo {
  color: orange;
  font-weight: bold;
}

.estado-rojo {
  color: red;
  font-weight: bold;
}

/* ====== BOTONES ====== */
button, .btn {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  line-height: 1.2;
}

button:hover, .btn:hover {
  background-color: #0056b3;
}

.btn-secundario {
  background-color: #6c757d;
}

.btn-secundario:hover {
  background-color: #5a6268;
}

.btn-peligro, .btn-danger {
  background-color: #dc3545;
}

.btn-peligro:hover, .btn-danger:hover {
  background-color: #b52a37;
}

.btn-exito {
  background-color: #28a745;
}

.btn-exito:hover {
  background-color: #1e7e34;
}

.btn3 {
  background-color: #17a2b8;
}

.btn3:hover {
  background-color: #117a8b;
}

.btn-cancelar {
  background-color: #6c757d;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-cancelar:hover {
  background-color: #5a6268;
}

/* ====== FORMULARIOS ====== */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

form label {
  font-weight: bold;
  color: #333;
}

form input, 
form select, 
form textarea {
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  background-color: #fdfdfd;
}

form input:focus, 
form select:focus, 
form textarea:focus {
  border-color: #4c6ca0;
  box-shadow: 0 0 5px rgba(76, 108, 160, 0.5);
  outline: none;
}

/* Botones en línea dentro del formulario */
form .botones {
  display: flex;
  gap: 10px;
}

form .botones button,
form .botones .btn {
  margin: 0;
}

form button {
  align-self: flex-start;
  padding: 0.6rem 1.2rem;
}

/* ====== TITULOS ====== */
h2 {
  margin-top: 0;
  color: #4c6ca0;
  font-size: 1.5rem;
}

/* ====== BOTÓN FLOTANTE DE CERRAR SESIÓN ====== */
.btn-logout {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #dc3545;
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-decoration: none;
  z-index: 1000;
}

.btn-logout:hover {
  background-color: #b52a37;
  transform: scale(1.05);
}

/* ====== RESPONSIVE ====== */

/* Tablets y móviles */
@media (max-width: 768px) {
  /* Navbar vertical */
  .nav {
    flex-direction: column;
  }

  .nav a {
    text-align: left;
    padding: 0.8rem 1rem;
  }

  .contenedor {
    padding: 1rem;
    margin-top: 10px;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
    font-size: 0.9rem;
  }

  th, td {
    padding: 0.5rem;
  }

  form {
    gap: 0.8rem;
  }

  form input,
  form select,
  form textarea {
    font-size: 0.9rem;
  }

  form .botones {
    flex-direction: column;
    gap: 0.5rem;
  }

  form button,
  form .botones .btn {
    width: 100%;
  }

  h2 {
    font-size: 1.3rem;
  }

  button, .btn, .btn-logout {
    font-size: 0.9rem;
    padding: 0.5rem 0.8rem;
  }
}

/* Móviles muy pequeños */
@media (max-width: 480px) {
  .contenedor {
    width: 95%;
    padding: 0.8rem;
  }
}