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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    padding: 2rem;
}

/* Contenedor general */
.container {
    max-width: 500px;
    margin: auto;
    background-color: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Títulos */
h1, h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

/* Formularios */
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

label {
    font-weight: bold;
    margin-bottom: 0.3rem;
}

input[type="email"],
input[type="text"],
input[type="password"],
select {
    padding: 0.7rem;
    border-radius: 8px;
    border: 1px solid #ccc;
    transition: all 0.3s ease;
}

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

/* Botones */
button {
    padding: 0.8rem;
    border: none;
    background-color: #3498db;
    color: white;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

/* Mensajes de error */
.error {
    color: #e74c3c;
    font-weight: bold;
    text-align: center;
}

/* Navegación y paneles */
nav {
    background-color: #2c3e50;
    padding: 1rem;
    color: white;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }

    button {
        font-size: 0.9rem;
    }
}