/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Header */
header {
    background-color: #0066cc;
    color: #fff;
    text-align: center;
    padding: 2rem 1rem;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

/* Layout principal */
main {
    max-width: 700px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Formulario */
#calculadora-aguinaldo {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.help-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: #888;
}

/* Botón */
.btn-calcular {
    width: 100%;
    padding: 1rem;
    background-color: #0066cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-calcular:hover {
    background-color: #0052a3;
}

/* Resultado */
.resultado-seccion {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    text-align: center;
}

.resultado-seccion h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.resultado-monto {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 0.5rem;
}

.resultado-detalle {
    font-size: 0.9rem;
    color: #666;
}

/* Anuncio */
.ad-placeholder {
    background: #e9ecef;
    border: 2px dashed #ced4da;
    border-radius: 6px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* Información legal */
.informacion-legal {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem 1.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.informacion-legal .leyenda,
.informacion-legal .descargo {
    margin-bottom: 0.5rem;
}

.informacion-legal .descargo:last-child {
    margin-bottom: 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem;
    color: #888;
    font-size: 0.85rem;
}

/* Noscript */
.noscript-msg {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    margin: 1rem 0;
}

/* Responsive */
@media (max-width: 600px) {
    header h1 {
        font-size: 1.5rem;
    }

    .resultado-monto {
        font-size: 2rem;
    }

    #calculadora-aguinaldo,
    .resultado-seccion {
        padding: 1.5rem;
    }
}