/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4f6f8;
  color: #333;
  padding: 20px;
}

/* Encabezado */
header {
  background-color: #2c3e50;
  color: white;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 8px;
}

header h1 {
  font-size: 24px;
}

header p {
  font-size: 16px;
}

header a {
  color: #ecf0f1;
  text-decoration: none;
  float: right;
  margin-top: -25px;
}

/* Formularios */
form {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  max-width: 400px;
  margin: auto;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

form input,
form select {
  width: 100%;
  padding: 8px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

form button {
  background-color: #3498db;
  color: white;
  border: none;
  padding: 10px;
  width: 100%;
  border-radius: 4px;
  cursor: pointer;
}

form button:hover {
  background-color: #2980b9;
}

/* Mensajes */
p {
  text-align: center;
  margin-bottom: 20px;
}

/* Panel principal */
main h2 {
  margin-bottom: 10px;
}

main ul {
  list-style: none;
  padding: 0;
}

main li {
  background-color: white;
  margin-bottom: 10px;
  padding: 10px;
  border-radius: 6px;
  box-shadow: 0 0 5px rgba(0,0,0,0.05);
}

main a {
  text-decoration: none;
  color: #2c3e50;
  font-weight: bold;
}

/* Tabla de clientes */
table#tabla-clientes {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background-color: white;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  border-radius: 8px;
  overflow: hidden;
}

table#tabla-clientes thead {
  background-color: #3498db;
  color: white;
}

table#tabla-clientes th,
table#tabla-clientes td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

table#tabla-clientes tbody tr:nth-child(even) {
  background-color: #f9f9f9;
}

table#tabla-clientes tbody tr:hover {
  background-color: #eef6ff;
  cursor: pointer;
}

table#tabla-clientes td a {
  margin-right: 8px;
  text-decoration: none;
  font-size: 18px;
}

table#tabla-clientes td a:hover {
  color: #e74c3c;
}

/* Buscador */
#busqueda {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

/* Botón de exportar */
form[action="exportar_excel.php"] button {
  background-color: #2ecc71;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 20px;
}

form[action="exportar_excel.php"] button:hover {
  background-color: #27ae60;
}

/* Paginación */
.paginacion {
  margin-top: 20px;
  text-align: center;
}

.paginacion a {
  display: inline-block;
  padding: 8px 12px;
  margin: 0 4px;
  background-color: #ecf0f1;
  color: #2c3e50;
  border-radius: 4px;
  text-decoration: none;
}

.paginacion a.activa {
  background-color: #3498db;
  color: white;
  font-weight: bold;
}

.paginacion a:hover {
  background-color: #2980b9;
  color: white;
}