/* Fuente y colores base */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f4f6f9;
  margin: 0;
  padding: 0;
  color: #333;
}

/* Contenedor principal */
form, table {
  max-width: 600px;
  margin: 40px auto;
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Títulos */
h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #2c3e50;
}

/* Inputs y selects */
input, select, textarea {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s;
}

input:focus, select:focus, textarea:focus {
  border-color: #3498db;
  outline: none;
}

/* Botones */
button {
  width: 100%;
  padding: 12px;
  background: #3498db;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background: #2980b9;
}

/* Tablas */
table {
  width: 100%;
  border-collapse: collapse;
}

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

table th {
  background: #3498db;
  color: #fff;
}

table tr:hover {
  background: #f1f1f1;
}

/* Mensajes */
p {
  margin: 10px 0;
  font-size: 14px;
}

p[style*="color:green"] {
  background: #eafaf1;
  padding: 10px;
  border-radius: 6px;
}

p[style*="color:red"] {
  background: #fdecea;
  padding: 10px;
  border-radius: 6px;
}